Alcatraz Island, 0.5 mi north of (depth 6 ft), San Francisco Bay, California Current
37.8351° N, 122.4201° W
Flood direction 74° true
Ebb direction 293° true

January 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Wed 012:37 AM PST4:42 AM PST −0.9 kt7:05 AM PST10:27 AM PST 1.4 kt12:50 PM PST4:03 PM PST −2.4 kt8:43 PM PST7:25 AM PST5:01 PM PST9:10 AM PST6:59 PM PST
Thu 0212:14 AM PST 1.7 kt3:17 AM PST5:25 AM PST −1.0 kt7:50 AM PST11:18 AM PST 1.3 kt1:35 PM PST4:52 PM PST −2.4 kt9:14 PM PST7:25 AM PST5:02 PM PST9:45 AM PST8:11 PM PST
Fri 0312:49 AM PST 1.8 kt3:57 AM PST6:08 AM PST −1.1 kt8:42 AM PST12:10 PM PST 1.2 kt2:20 PM PST5:43 PM PST −2.3 kt9:47 PM PST7:25 AM PST5:03 PM PST10:16 AM PST9:21 PM PST
Sat 041:25 AM PST 1.9 kt4:37 AM PST6:52 AM PST −1.2 kt9:49 AM PST1:01 PM PST 1.0 kt3:11 PM PST6:35 PM PST −2.1 kt10:25 PM PST7:25 AM PST5:04 PM PST10:42 AM PST10:31 PM PST
Sun 052:04 AM PST 2.0 kt5:17 AM PST7:39 AM PST −1.4 kt11:14 AM PST1:59 PM PST 0.8 kt4:16 PM PST7:32 PM PST −1.7 kt11:06 PM PST7:25 AM PST5:05 PM PST11:08 AM PST11:41 PM PST
Mon 062:48 AM PST 1.9 kt5:57 AM PST8:34 AM PST −1.6 kt12:43 PM PST3:14 PM PST 0.8 kt5:43 PM PST8:44 PM PST −1.4 kt11:50 PM PSTFirst Quarter7:25 AM PST5:06 PM PST11:33 AM PST
Tue 073:36 AM PST 1.9 kt6:38 AM PST9:33 AM PST −1.8 kt2:08 PM PST4:45 PM PST 0.8 kt7:23 PM PST10:06 PM PST −1.1 kt7:25 AM PST5:07 PM PST12:00 PM PST12:51 AM PST
Wed 0812:40 AM PST4:24 AM PST 1.8 kt7:21 AM PST10:27 AM PST −2.1 kt3:18 PM PST6:21 PM PST 1.1 kt8:57 PM PST11:13 PM PST −1.0 kt7:25 AM PST5:07 PM PST12:32 PM PST2:04 AM PST
Thu 091:39 AM PST5:13 AM PST 1.7 kt8:08 AM PST11:16 AM PST −2.2 kt4:16 PM PST7:37 PM PST 1.5 kt10:10 PM PST7:25 AM PST5:08 PM PST1:09 PM PST3:18 AM PST
Fri 1012:16 AM PST −1.0 kt2:46 AM PST6:05 AM PST 1.6 kt8:58 AM PST12:08 PM PST −2.3 kt5:10 PM PST8:32 PM PST 1.8 kt11:11 PM PST7:25 AM PST5:09 PM PST1:54 PM PST4:32 AM PST
Sat 111:19 AM PST −1.0 kt3:50 AM PST7:02 AM PST 1.5 kt9:49 AM PST1:05 PM PST −2.3 kt6:03 PM PST9:20 PM PST 1.9 kt7:25 AM PST5:10 PM PST2:49 PM PST5:42 AM PST
Sun 1212:06 AM PST2:15 AM PST −1.1 kt4:50 AM PST7:57 AM PST 1.5 kt10:41 AM PST2:03 PM PST −2.3 kt6:54 PM PST10:08 PM PST 2.0 kt7:24 AM PST5:11 PM PST3:53 PM PST6:45 AM PST
Mon 1312:56 AM PST3:04 AM PST −1.2 kt5:48 AM PST8:46 AM PST 1.5 kt11:33 AM PST2:55 PM PST −2.2 kt7:40 PM PST10:56 PM PST 2.0 ktFull Moon7:24 AM PST5:12 PM PST5:01 PM PST7:37 AM PST
Tue 141:42 AM PST3:52 AM PST −1.3 kt6:41 AM PST9:32 AM PST 1.4 kt12:24 PM PST3:44 PM PST −2.2 kt8:22 PM PST11:42 PM PST 2.0 kt7:24 AM PST5:13 PM PST6:10 PM PST8:18 AM PST
Wed 152:26 AM PST4:40 AM PST −1.3 kt7:32 AM PST10:20 AM PST 1.3 kt1:10 PM PST4:33 PM PST −2.1 kt9:01 PM PST7:23 AM PST5:14 PM PST7:17 PM PST8:52 AM PST
Thu 1612:21 AM PST 2.0 kt3:10 AM PST5:28 AM PST −1.3 kt8:23 AM PST11:10 AM PST 1.1 kt1:51 PM PST5:21 PM PST −2.0 kt9:35 PM PST7:23 AM PST5:16 PM PST8:21 PM PST9:20 AM PST
Fri 1712:53 AM PST 1.9 kt3:51 AM PST6:13 AM PST −1.3 kt9:20 AM PST11:59 AM PST 0.9 kt2:29 PM PST6:05 PM PST −1.8 kt10:05 PM PST7:23 AM PST5:17 PM PST9:22 PM PST9:44 AM PST
Sat 181:18 AM PST 1.9 kt4:29 AM PST6:56 AM PST −1.3 kt10:31 AM PST12:46 PM PST 0.7 kt3:07 PM PST6:46 PM PST −1.5 kt10:31 PM PST7:22 AM PST5:18 PM PST10:21 PM PST10:05 AM PST
Sun 191:44 AM PST 1.8 kt5:04 AM PST7:37 AM PST −1.3 kt11:47 AM PST1:35 PM PST 0.5 kt3:55 PM PST7:31 PM PST −1.2 kt10:57 PM PST7:22 AM PST5:19 PM PST11:19 PM PST10:26 AM PST
Mon 202:16 AM PST 1.7 kt5:36 AM PST8:21 AM PST −1.3 kt1:04 PM PST2:38 PM PST 0.3 kt5:13 PM PST8:36 PM PST −0.8 kt11:27 PM PST7:21 AM PST5:20 PM PST10:47 AM PST
Tue 212:55 AM PST 1.6 kt6:06 AM PST9:09 AM PST −1.4 kt2:22 PM PST4:56 PM PST 0.3 kt7:02 PM PST9:56 PM PST −0.6 ktLast Quarter7:21 AM PST5:21 PM PST12:18 AM PST11:10 AM PST
Wed 2212:03 AM PST3:38 AM PST 1.5 kt6:37 AM PST9:54 AM PST −1.5 kt3:23 PM PST6:29 PM PST 0.5 kt8:50 PM PST10:56 PM PST −0.5 kt7:20 AM PST5:22 PM PST1:18 AM PST11:36 AM PST
Thu 2312:48 AM PST4:24 AM PST 1.4 kt7:13 AM PST10:33 AM PST −1.6 kt4:09 PM PST7:30 PM PST 0.8 kt10:00 PM PST11:50 PM PST −0.5 kt7:20 AM PST5:23 PM PST2:19 AM PST12:06 PM PST
Fri 241:46 AM PST5:12 AM PST 1.3 kt7:55 AM PST11:10 AM PST −1.7 kt4:51 PM PST8:13 PM PST 1.1 kt10:50 PM PST7:19 AM PST5:24 PM PST3:22 AM PST12:43 PM PST
Sat 2512:44 AM PST −0.5 kt2:50 AM PST6:02 AM PST 1.3 kt8:42 AM PST11:51 AM PST −1.8 kt5:31 PM PST8:49 PM PST 1.2 kt11:32 PM PST7:18 AM PST5:25 PM PST4:25 AM PST1:29 PM PST
Sun 261:35 AM PST −0.6 kt3:45 AM PST6:56 AM PST 1.3 kt9:29 AM PST12:39 PM PST −1.9 kt6:09 PM PST9:20 PM PST 1.4 kt7:18 AM PST5:26 PM PST5:25 AM PST2:25 PM PST
Mon 2712:11 AM PST2:18 AM PST −0.8 kt4:34 AM PST7:48 AM PST 1.3 kt10:16 AM PST1:31 PM PST −2.0 kt6:45 PM PST9:51 PM PST 1.5 kt7:17 AM PST5:28 PM PST6:18 AM PST3:29 PM PST
Tue 2812:48 AM PST2:56 AM PST −0.9 kt5:20 AM PST8:36 AM PST 1.4 kt11:03 AM PST2:20 PM PST −2.2 kt7:17 PM PST10:24 PM PST 1.6 kt7:16 AM PST5:29 PM PST7:05 AM PST4:40 PM PST
Wed 291:24 AM PST3:33 AM PST −1.0 kt6:07 AM PST9:21 AM PST 1.4 kt11:51 AM PST3:06 PM PST −2.3 kt7:44 PM PST10:59 PM PST 1.8 ktNew Moon7:15 AM PST5:30 PM PST7:43 AM PST5:54 PM PST
Thu 302:00 AM PST4:11 AM PST −1.2 kt6:54 AM PST10:09 AM PST 1.4 kt12:39 PM PST3:52 PM PST −2.4 kt8:10 PM PST11:35 PM PST 2.0 kt7:15 AM PST5:31 PM PST8:16 AM PST7:07 PM PST
Fri 312:35 AM PST4:52 AM PST −1.3 kt7:43 AM PST11:01 AM PST 1.3 kt1:28 PM PST4:40 PM PST −2.3 kt8:36 PM PST7:14 AM PST5:32 PM PST8:45 AM PST8:19 PM PST

Alcatraz Island, 0.5 mi north of (depth 6 ft), San Francisco Bay, California Current
37.8351° N, 122.4201° W
Flood direction 74° true
Ebb direction 293° true

February 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Sat 0112:10 AM PST 2.1 kt3:10 AM PST5:35 AM PST −1.5 kt8:37 AM PST11:56 AM PST 1.3 kt2:19 PM PST5:32 PM PST −2.2 kt9:07 PM PST7:13 AM PST5:33 PM PST9:11 AM PST9:31 PM PST
Sun 0212:46 AM PST 2.1 kt3:45 AM PST6:18 AM PST −1.8 kt9:41 AM PST12:51 PM PST 1.2 kt3:19 PM PST6:25 PM PST −1.9 kt9:43 PM PST7:12 AM PST5:34 PM PST9:37 AM PST10:43 PM PST
Mon 031:23 AM PST 2.1 kt4:21 AM PST7:01 AM PST −1.9 kt10:56 AM PST1:51 PM PST 1.0 kt4:33 PM PST7:22 PM PST −1.5 kt10:26 PM PST7:11 AM PST5:35 PM PST10:03 AM PST11:55 PM PST
Tue 042:04 AM PST 1.9 kt5:00 AM PST7:48 AM PST −2.0 kt12:14 PM PST3:09 PM PST 1.0 kt6:01 PM PST8:34 PM PST −1.1 kt11:18 PM PST7:10 AM PST5:36 PM PST10:33 AM PST
Wed 052:52 AM PST 1.7 kt5:43 AM PST8:44 AM PST −2.0 kt1:35 PM PST4:50 PM PST 1.1 kt7:33 PM PST9:56 PM PST −0.9 ktFirst Quarter7:09 AM PST5:38 PM PST11:08 AM PST1:09 AM PST
Thu 0612:17 AM PST3:47 AM PST 1.5 kt6:32 AM PST9:47 AM PST −2.0 kt2:53 PM PST6:14 PM PST 1.3 kt8:55 PM PST11:03 PM PST −0.9 kt7:08 AM PST5:39 PM PST11:50 AM PST2:23 AM PST
Fri 071:28 AM PST4:44 AM PST 1.4 kt7:30 AM PST10:49 AM PST −2.0 kt3:58 PM PST7:22 PM PST 1.6 kt9:59 PM PST7:07 AM PST5:40 PM PST12:41 PM PST3:33 AM PST
Sat 0812:03 AM PST −1.0 kt2:45 AM PST5:42 AM PST 1.3 kt8:35 AM PST11:49 AM PST −1.9 kt4:56 PM PST8:16 PM PST 1.8 kt10:52 PM PST7:06 AM PST5:41 PM PST1:41 PM PST4:37 AM PST
Sun 091:03 AM PST −1.1 kt3:52 AM PST6:44 AM PST 1.3 kt9:38 AM PST12:57 PM PST −1.9 kt5:49 PM PST9:02 PM PST 1.9 kt11:41 PM PST7:05 AM PST5:42 PM PST2:46 PM PST5:31 AM PST
Mon 101:57 AM PST −1.2 kt4:50 AM PST7:45 AM PST 1.4 kt10:35 AM PST2:02 PM PST −1.9 kt6:36 PM PST9:45 PM PST 2.0 kt7:04 AM PST5:43 PM PST3:55 PM PST6:15 AM PST
Tue 1112:28 AM PST2:45 AM PST −1.4 kt5:44 AM PST8:35 AM PST 1.4 kt11:27 AM PST2:53 PM PST −2.0 kt7:16 PM PST10:26 PM PST 2.0 kt7:03 AM PST5:44 PM PST5:02 PM PST6:51 AM PST
Wed 121:12 AM PST3:29 AM PST −1.4 kt6:36 AM PST9:20 AM PST 1.3 kt12:16 PM PST3:37 PM PST −2.0 kt7:51 PM PST11:03 PM PST 2.0 ktFull Moon7:02 AM PST5:45 PM PST6:07 PM PST7:21 AM PST
Thu 131:52 AM PST4:13 AM PST −1.5 kt7:27 AM PST10:04 AM PST 1.2 kt1:00 PM PST4:19 PM PST −1.9 kt8:20 PM PST11:35 PM PST 2.0 kt7:01 AM PST5:46 PM PST7:09 PM PST7:46 AM PST
Fri 142:27 AM PST4:56 AM PST −1.5 kt8:17 AM PST10:53 AM PST 1.1 kt1:42 PM PST5:02 PM PST −1.8 kt8:45 PM PST11:59 PM PST 2.0 kt7:00 AM PST5:47 PM PST8:09 PM PST8:08 AM PST
Sat 152:59 AM PST5:36 AM PST −1.6 kt9:10 AM PST11:44 AM PST 0.9 kt2:23 PM PST5:44 PM PST −1.6 kt9:07 PM PST6:58 AM PST5:49 PM PST9:08 PM PST8:29 AM PST
Sun 1612:24 AM PST 1.9 kt3:28 AM PST6:12 AM PST −1.6 kt10:09 AM PST12:33 PM PST 0.8 kt3:11 PM PST6:25 PM PST −1.3 kt9:30 PM PST6:57 AM PST5:50 PM PST10:06 PM PST8:50 AM PST
Mon 1712:53 AM PST 1.8 kt3:54 AM PST6:42 AM PST −1.6 kt11:11 AM PST1:21 PM PST 0.7 kt4:12 PM PST7:09 PM PST −0.9 kt9:58 PM PST6:56 AM PST5:51 PM PST11:05 PM PST9:12 AM PST
Tue 181:26 AM PST 1.7 kt4:21 AM PST7:12 AM PST −1.6 kt12:12 PM PST2:18 PM PST 0.5 kt5:32 PM PST8:06 PM PST −0.6 kt10:35 PM PST6:55 AM PST5:52 PM PST9:36 AM PST
Wed 192:05 AM PST 1.5 kt4:50 AM PST7:45 AM PST −1.6 kt1:17 PM PST4:30 PM PST 0.5 kt7:05 PM PST9:29 PM PST −0.4 kt11:23 PM PST6:53 AM PST5:53 PM PST12:06 AM PST10:04 AM PST
Thu 202:52 AM PST 1.2 kt5:25 AM PST8:29 AM PST −1.5 kt2:25 PM PST5:51 PM PST 0.7 kt8:36 PM PST10:35 PM PST −0.4 ktLast Quarter6:52 AM PST5:54 PM PST1:08 AM PST10:38 AM PST
Fri 2112:22 AM PST3:46 AM PST 1.1 kt6:09 AM PST9:25 AM PST −1.5 kt3:24 PM PST6:53 PM PST 0.9 kt9:35 PM PST11:27 PM PST −0.5 kt6:51 AM PST5:55 PM PST2:10 AM PST11:19 AM PST
Sat 221:31 AM PST4:41 AM PST 1.0 kt7:04 AM PST10:23 AM PST −1.5 kt4:13 PM PST7:40 PM PST 1.1 kt10:17 PM PST6:50 AM PST5:56 PM PST3:11 AM PST12:09 PM PST
Sun 2312:16 AM PST −0.6 kt2:41 AM PST5:35 AM PST 1.1 kt8:06 AM PST11:17 AM PST −1.6 kt4:55 PM PST8:16 PM PST 1.3 kt10:54 PM PST6:48 AM PST5:57 PM PST4:06 AM PST1:09 PM PST
Mon 241:04 AM PST −0.7 kt3:38 AM PST6:32 AM PST 1.1 kt9:05 AM PST12:13 PM PST −1.7 kt5:32 PM PST8:46 PM PST 1.5 kt11:31 PM PST6:47 AM PST5:58 PM PST4:55 AM PST2:16 PM PST
Tue 251:48 AM PST −0.9 kt4:27 AM PST7:28 AM PST 1.2 kt9:59 AM PST1:12 PM PST −1.9 kt6:05 PM PST9:13 PM PST 1.7 kt6:46 AM PST5:59 PM PST5:37 AM PST3:29 PM PST
Wed 2612:07 AM PST2:27 AM PST −1.1 kt5:14 AM PST8:19 AM PST 1.4 kt10:49 AM PST2:06 PM PST −2.1 kt6:34 PM PST9:42 PM PST 1.9 kt6:44 AM PST6:00 PM PST6:12 AM PST4:43 PM PST
Thu 2712:42 AM PST3:04 AM PST −1.4 kt6:04 AM PST9:07 AM PST 1.4 kt11:41 AM PST2:53 PM PST −2.2 kt7:00 PM PST10:14 PM PST 2.0 ktNew Moon6:43 AM PST6:01 PM PST6:43 AM PST5:57 PM PST
Fri 281:16 AM PST3:40 AM PST −1.6 kt6:54 AM PST9:56 AM PST 1.4 kt12:36 PM PST3:39 PM PST −2.2 kt7:26 PM PST10:50 PM PST 2.1 kt6:42 AM PST6:02 PM PST7:11 AM PST7:11 PM PST

Alcatraz Island, 0.5 mi north of (depth 6 ft), San Francisco Bay, California Current
37.8351° N, 122.4201° W
Flood direction 74° true
Ebb direction 293° true

March 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Sat 011:48 AM PST4:19 AM PST −1.9 kt7:43 AM PST10:52 AM PST 1.4 kt1:32 PM PST4:28 PM PST −2.1 kt7:55 PM PST11:27 PM PST 2.2 kt6:40 AM PST6:03 PM PST7:38 AM PST8:25 PM PST
Sun 022:20 AM PST5:00 AM PST −2.1 kt8:34 AM PST11:50 AM PST 1.4 kt2:31 PM PST5:22 PM PST −1.8 kt8:28 PM PST6:39 AM PST6:04 PM PST8:04 AM PST9:40 PM PST
Mon 0312:06 AM PST 2.1 kt2:52 AM PST5:42 AM PST −2.3 kt9:29 AM PST12:48 PM PST 1.4 kt3:37 PM PST6:18 PM PST −1.5 kt9:08 PM PST6:37 AM PST6:05 PM PST8:34 AM PST10:56 PM PST
Tue 0412:46 AM PST 1.9 kt3:28 AM PST6:25 AM PST −2.4 kt10:33 AM PST1:47 PM PST 1.3 kt4:52 PM PST7:16 PM PST −1.2 kt9:58 PM PST6:36 AM PST6:06 PM PST9:08 AM PST
Wed 051:28 AM PST 1.7 kt4:08 AM PST7:09 AM PST −2.3 kt11:44 AM PST3:10 PM PST 1.2 kt6:10 PM PST8:27 PM PST −1.0 kt11:00 PM PST6:35 AM PST6:07 PM PST9:48 AM PST12:12 AM PST
Thu 062:17 AM PST 1.4 kt4:55 AM PST8:01 AM PST −2.0 kt1:04 PM PST4:45 PM PST 1.3 kt7:29 PM PST9:46 PM PST −0.9 ktFirst Quarter6:33 AM PST6:08 PM PST10:37 AM PST1:25 AM PST
Fri 0712:11 AM PST3:17 AM PST 1.2 kt5:53 AM PST9:11 AM PST −1.8 kt2:28 PM PST5:57 PM PST 1.4 kt8:40 PM PST10:51 PM PST −1.0 kt6:32 AM PST6:09 PM PST11:34 AM PST2:32 AM PST
Sat 081:32 AM PST4:21 AM PST 1.1 kt7:04 AM PST10:31 AM PST −1.6 kt3:38 PM PST7:00 PM PST 1.6 kt9:38 PM PST11:47 PM PST −1.1 kt6:30 AM PST6:10 PM PST12:38 PM PST3:29 AM PST
Sun 093:50 AM PDT6:25 AM PDT 1.0 kt9:23 AM PDT12:42 PM PDT −1.6 kt5:34 PM PDT8:52 PM PDT 1.8 kt11:27 PM PDT7:29 AM PDT7:11 PM PDT2:45 PM PDT5:15 AM PDT
Mon 101:43 AM PDT −1.2 kt4:54 AM PDT7:32 AM PDT 1.1 kt10:31 AM PDT1:53 PM PDT −1.6 kt6:21 PM PDT9:36 PM PDT 1.9 kt7:27 AM PDT7:12 PM PDT3:52 PM PDT5:53 AM PDT
Tue 1112:13 AM PDT2:36 AM PDT −1.4 kt5:50 AM PDT8:39 AM PDT 1.2 kt11:27 AM PDT2:54 PM PDT −1.7 kt7:01 PM PDT10:12 PM PDT 2.0 kt7:26 AM PDT7:13 PM PDT4:57 PM PDT6:23 AM PDT
Wed 1212:55 AM PDT3:23 AM PDT −1.5 kt6:44 AM PDT9:30 AM PDT 1.2 kt12:17 PM PDT3:39 PM PDT −1.8 kt7:35 PM PDT10:44 PM PDT 2.0 kt7:24 AM PDT7:14 PM PDT5:59 PM PDT6:50 AM PDT
Thu 131:33 AM PDT4:04 AM PDT −1.6 kt7:36 AM PDT10:13 AM PDT 1.2 kt1:05 PM PDT4:19 PM PDT −1.8 kt8:03 PM PDT11:09 PM PDT 2.0 ktFull Moon7:23 AM PDT7:15 PM PDT6:59 PM PDT7:12 AM PDT
Fri 142:07 AM PDT4:42 AM PDT −1.7 kt8:25 AM PDT10:56 AM PDT 1.1 kt1:52 PM PDT4:57 PM PDT −1.7 kt8:27 PM PDT11:33 PM PDT 2.0 kt7:21 AM PDT7:16 PM PDT7:58 PM PDT7:34 AM PDT
Sat 152:35 AM PDT5:18 AM PDT −1.8 kt9:11 AM PDT11:45 AM PDT 1.1 kt2:40 PM PDT5:38 PM PDT −1.5 kt8:50 PM PDT7:20 AM PDT7:17 PM PDT8:57 PM PDT7:54 AM PDT
Sun 1612:00 AM PDT 1.9 kt3:00 AM PDT5:50 AM PDT −1.9 kt9:55 AM PDT12:37 PM PDT 1.0 kt3:30 PM PDT6:22 PM PDT −1.2 kt9:12 PM PDT7:18 AM PDT7:18 PM PDT9:56 PM PDT8:15 AM PDT
Mon 1712:33 AM PDT 1.8 kt3:23 AM PDT6:20 AM PDT −2.0 kt10:39 AM PDT1:25 PM PDT 1.0 kt4:25 PM PDT7:07 PM PDT −1.0 kt9:39 PM PDT7:17 AM PDT7:19 PM PDT10:56 PM PDT8:39 AM PDT
Tue 181:08 AM PDT 1.7 kt3:47 AM PDT6:48 AM PDT −2.0 kt11:24 AM PDT2:10 PM PDT 0.9 kt5:28 PM PDT7:53 PM PDT −0.7 kt10:12 PM PDT7:15 AM PDT7:20 PM PDT11:57 PM PDT9:05 AM PDT
Wed 191:46 AM PDT 1.5 kt4:13 AM PDT7:18 AM PDT −1.9 kt12:13 PM PDT3:01 PM PDT 0.8 kt6:37 PM PDT8:45 PM PDT −0.5 kt10:58 PM PDT7:14 AM PDT7:21 PM PDT9:36 AM PDT
Thu 202:27 AM PDT 1.2 kt4:45 AM PDT7:52 AM PDT −1.8 kt1:08 PM PDT4:33 PM PDT 0.7 kt7:49 PM PDT9:59 PM PDT −0.4 kt11:58 PM PDT7:12 AM PDT7:22 PM PDT12:59 AM PDT10:14 AM PDT
Fri 213:15 AM PDT 1.0 kt5:27 AM PDT8:35 AM PDT −1.6 kt2:19 PM PDT6:05 PM PDT 0.8 kt9:02 PM PDT11:09 PM PDT −0.4 kt7:11 AM PDT7:22 PM PDT1:59 AM PDT10:59 AM PDT
Sat 221:06 AM PDT4:13 AM PDT 0.9 kt6:19 AM PDT9:31 AM PDT −1.5 kt3:31 PM PDT7:02 PM PDT 1.0 kt9:58 PM PDTLast Quarter7:09 AM PDT7:23 PM PDT2:56 AM PDT11:54 AM PDT
Sun 2312:00 AM PDT −0.5 kt2:20 AM PDT5:13 AM PDT 0.8 kt7:21 AM PDT10:44 AM PDT −1.4 kt4:25 PM PDT7:51 PM PDT 1.1 kt10:39 PM PDT7:07 AM PDT7:24 PM PDT3:46 AM PDT12:56 PM PDT
Mon 2412:46 AM PDT −0.7 kt3:34 AM PDT6:11 AM PDT 0.9 kt8:32 AM PDT11:52 AM PDT −1.5 kt5:06 PM PDT8:30 PM PDT 1.4 kt11:15 PM PDT7:06 AM PDT7:25 PM PDT4:30 AM PDT2:05 PM PDT
Tue 251:30 AM PDT −0.9 kt4:35 AM PDT7:10 AM PDT 1.0 kt9:41 AM PDT12:51 PM PDT −1.7 kt5:39 PM PDT9:01 PM PDT 1.6 kt11:48 PM PDT7:04 AM PDT7:26 PM PDT5:07 AM PDT3:17 PM PDT
Wed 262:15 AM PDT −1.2 kt5:27 AM PDT8:11 AM PDT 1.1 kt10:42 AM PDT1:51 PM PDT −1.8 kt6:09 PM PDT9:29 PM PDT 1.9 kt7:03 AM PDT7:27 PM PDT5:39 AM PDT4:30 PM PDT
Thu 2712:22 AM PDT2:55 AM PDT −1.5 kt6:17 AM PDT9:08 AM PDT 1.3 kt11:40 AM PDT2:48 PM PDT −1.9 kt6:37 PM PDT9:58 PM PDT 2.1 kt7:01 AM PDT7:28 PM PDT6:08 AM PDT5:44 PM PDT
Fri 2812:54 AM PDT3:33 AM PDT −1.8 kt7:08 AM PDT9:59 AM PDT 1.4 kt12:40 PM PDT3:38 PM PDT −2.0 kt7:07 PM PDT10:30 PM PDT 2.2 kt7:00 AM PDT7:29 PM PDT6:35 AM PDT6:59 PM PDT
Sat 291:27 AM PDT4:09 AM PDT −2.2 kt7:56 AM PDT10:52 AM PDT 1.5 kt1:42 PM PDT4:27 PM PDT −1.9 kt7:40 PM PDT11:05 PM PDT 2.2 ktNew Moon6:58 AM PDT7:30 PM PDT7:02 AM PDT8:15 PM PDT
Sun 301:59 AM PDT4:46 AM PDT −2.5 kt8:41 AM PDT11:50 AM PDT 1.6 kt2:44 PM PDT5:18 PM PDT −1.7 kt8:16 PM PDT11:45 PM PDT 2.1 kt6:57 AM PDT7:31 PM PDT7:31 AM PDT9:33 PM PDT
Mon 312:31 AM PDT5:26 AM PDT −2.6 kt9:27 AM PDT12:51 PM PDT 1.7 kt3:46 PM PDT6:14 PM PDT −1.5 kt8:57 PM PDT6:55 AM PDT7:32 PM PDT8:04 AM PDT10:52 PM PDT

Alcatraz Island, 0.5 mi north of (depth 6 ft), San Francisco Bay, California Current
37.8351° N, 122.4201° W
Flood direction 74° true
Ebb direction 293° true

April 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Tue 0112:28 AM PDT 1.9 kt3:06 AM PDT6:08 AM PDT −2.7 kt10:15 AM PDT1:49 PM PDT 1.7 kt4:51 PM PDT7:12 PM PDT −1.3 kt9:44 PM PDT6:54 AM PDT7:33 PM PDT8:43 AM PDT
Wed 021:13 AM PDT 1.7 kt3:43 AM PDT6:52 AM PDT −2.5 kt11:14 AM PDT2:49 PM PDT 1.6 kt5:58 PM PDT8:10 PM PDT −1.1 kt10:42 PM PDT6:52 AM PDT7:34 PM PDT9:30 AM PDT12:10 AM PDT
Thu 032:00 AM PDT 1.4 kt4:26 AM PDT7:39 AM PDT −2.2 kt12:25 PM PDT4:08 PM PDT 1.5 kt7:05 PM PDT9:16 PM PDT −0.9 kt11:54 PM PDT6:51 AM PDT7:34 PM PDT10:26 AM PDT1:22 AM PDT
Fri 042:51 AM PDT 1.2 kt5:19 AM PDT8:31 AM PDT −1.9 kt1:44 PM PDT5:28 PM PDT 1.5 kt8:12 PM PDT10:29 PM PDT −0.9 ktFirst Quarter6:49 AM PDT7:35 PM PDT11:30 AM PDT2:24 AM PDT
Sat 051:12 AM PDT3:52 AM PDT 0.9 kt6:24 AM PDT9:45 AM PDT −1.5 kt3:02 PM PDT6:32 PM PDT 1.5 kt9:17 PM PDT11:33 PM PDT −1.0 kt6:48 AM PDT7:36 PM PDT12:37 PM PDT3:14 AM PDT
Sun 062:34 AM PDT5:01 AM PDT 0.8 kt7:43 AM PDT11:23 AM PDT −1.4 kt4:07 PM PDT7:29 PM PDT 1.6 kt10:12 PM PDT6:46 AM PDT7:37 PM PDT1:44 PM PDT3:55 AM PDT
Mon 0712:28 AM PDT −1.2 kt3:51 AM PDT6:10 AM PDT 0.8 kt9:07 AM PDT12:34 PM PDT −1.4 kt4:57 PM PDT8:19 PM PDT 1.8 kt10:59 PM PDT6:45 AM PDT7:38 PM PDT2:50 PM PDT4:27 AM PDT
Tue 081:20 AM PDT −1.3 kt4:56 AM PDT7:25 AM PDT 0.9 kt10:16 AM PDT1:35 PM PDT −1.5 kt5:36 PM PDT8:59 PM PDT 1.9 kt11:39 PM PDT6:43 AM PDT7:39 PM PDT3:52 PM PDT4:54 AM PDT
Wed 092:11 AM PDT −1.5 kt5:53 AM PDT8:44 AM PDT 0.9 kt11:13 AM PDT2:29 PM PDT −1.5 kt6:09 PM PDT9:30 PM PDT 2.0 kt6:42 AM PDT7:40 PM PDT4:52 PM PDT5:18 AM PDT
Thu 1012:14 AM PDT2:57 AM PDT −1.7 kt6:47 AM PDT9:35 AM PDT 1.0 kt12:05 PM PDT3:14 PM PDT −1.5 kt6:38 PM PDT9:52 PM PDT 2.0 kt6:40 AM PDT7:41 PM PDT5:51 PM PDT5:39 AM PDT
Fri 1112:45 AM PDT3:35 AM PDT −1.9 kt7:36 AM PDT10:17 AM PDT 1.1 kt12:59 PM PDT3:54 PM PDT −1.4 kt7:04 PM PDT10:12 PM PDT 2.0 kt6:39 AM PDT7:42 PM PDT6:49 PM PDT6:00 AM PDT
Sat 121:13 AM PDT4:08 AM PDT −2.0 kt8:20 AM PDT10:59 AM PDT 1.1 kt1:53 PM PDT4:34 PM PDT −1.3 kt7:30 PM PDT10:37 PM PDT 1.9 ktFull Moon6:38 AM PDT7:43 PM PDT7:48 PM PDT6:21 AM PDT
Sun 131:38 AM PDT4:36 AM PDT −2.2 kt8:58 AM PDT11:49 AM PDT 1.1 kt2:47 PM PDT5:16 PM PDT −1.1 kt7:57 PM PDT11:10 PM PDT 1.8 kt6:36 AM PDT7:43 PM PDT8:48 PM PDT6:43 AM PDT
Mon 142:01 AM PDT5:03 AM PDT −2.2 kt9:33 AM PDT12:39 PM PDT 1.2 kt3:39 PM PDT6:03 PM PDT −0.9 kt8:27 PM PDT11:47 PM PDT 1.7 kt6:35 AM PDT7:44 PM PDT9:48 PM PDT7:08 AM PDT
Tue 152:25 AM PDT5:30 AM PDT −2.3 kt10:06 AM PDT1:22 PM PDT 1.2 kt4:32 PM PDT6:50 PM PDT −0.8 kt9:01 PM PDT6:33 AM PDT7:45 PM PDT10:50 PM PDT7:38 AM PDT
Wed 1612:29 AM PDT 1.5 kt2:52 AM PDT6:00 AM PDT −2.2 kt10:39 AM PDT2:02 PM PDT 1.1 kt5:27 PM PDT7:35 PM PDT −0.6 kt9:41 PM PDT6:32 AM PDT7:46 PM PDT11:51 PM PDT8:13 AM PDT
Thu 171:13 AM PDT 1.3 kt3:24 AM PDT6:36 AM PDT −2.1 kt11:18 AM PDT2:46 PM PDT 1.1 kt6:23 PM PDT8:22 PM PDT −0.5 kt10:30 PM PDT6:31 AM PDT7:47 PM PDT8:55 AM PDT
Fri 181:57 AM PDT 1.1 kt4:01 AM PDT7:16 AM PDT −1.9 kt12:11 PM PDT3:48 PM PDT 1.0 kt7:20 PM PDT9:20 PM PDT −0.4 kt11:33 PM PDT6:29 AM PDT7:48 PM PDT12:48 AM PDT9:46 AM PDT
Sat 192:45 AM PDT 0.9 kt4:46 AM PDT8:01 AM PDT −1.7 kt1:17 PM PDT5:08 PM PDT 1.0 kt8:19 PM PDT10:32 PM PDT −0.5 kt6:28 AM PDT7:49 PM PDT1:40 AM PDT10:45 AM PDT
Sun 2012:46 AM PDT3:42 AM PDT 0.8 kt5:39 AM PDT8:57 AM PDT −1.6 kt2:23 PM PDT6:02 PM PDT 1.2 kt9:12 PM PDT11:28 PM PDT −0.6 ktLast Quarter6:27 AM PDT7:50 PM PDT2:25 AM PDT11:49 AM PDT
Mon 212:04 AM PDT4:45 AM PDT 0.7 kt6:43 AM PDT10:12 AM PDT −1.5 kt3:18 PM PDT6:45 PM PDT 1.4 kt9:55 PM PDT6:25 AM PDT7:51 PM PDT3:04 AM PDT12:58 PM PDT
Tue 2212:13 AM PDT −0.9 kt3:28 AM PDT5:48 AM PDT 0.7 kt7:56 AM PDT11:28 AM PDT −1.5 kt3:59 PM PDT7:25 PM PDT 1.6 kt10:31 PM PDT6:24 AM PDT7:52 PM PDT3:37 AM PDT2:08 PM PDT
Wed 2312:55 AM PDT −1.2 kt4:35 AM PDT6:51 AM PDT 0.8 kt9:18 AM PDT12:29 PM PDT −1.6 kt4:33 PM PDT8:03 PM PDT 1.8 kt11:03 PM PDT6:23 AM PDT7:53 PM PDT4:06 AM PDT3:19 PM PDT
Thu 241:37 AM PDT −1.5 kt5:29 AM PDT7:59 AM PDT 1.0 kt10:31 AM PDT1:28 PM PDT −1.6 kt5:05 PM PDT8:38 PM PDT 2.0 kt11:34 PM PDT6:21 AM PDT7:54 PM PDT4:33 AM PDT4:32 PM PDT
Fri 252:20 AM PDT −1.9 kt6:20 AM PDT9:04 AM PDT 1.2 kt11:39 AM PDT2:29 PM PDT −1.6 kt5:39 PM PDT9:14 PM PDT 2.1 kt6:20 AM PDT7:55 PM PDT5:00 AM PDT5:46 PM PDT
Sat 2612:05 AM PDT3:00 AM PDT −2.3 kt7:07 AM PDT10:00 AM PDT 1.5 kt12:46 PM PDT3:25 PM PDT −1.6 kt6:17 PM PDT9:50 PM PDT 2.1 kt6:19 AM PDT7:56 PM PDT5:27 AM PDT7:02 PM PDT
Sun 2712:38 AM PDT3:38 AM PDT −2.6 kt7:52 AM PDT10:55 AM PDT 1.7 kt1:52 PM PDT4:17 PM PDT −1.5 kt7:00 PM PDT10:28 PM PDT 2.0 ktNew Moon6:18 AM PDT7:56 PM PDT5:58 AM PDT8:22 PM PDT
Mon 281:13 AM PDT4:16 AM PDT −2.8 kt8:35 AM PDT11:55 AM PDT 1.8 kt2:54 PM PDT5:09 PM PDT −1.4 kt7:48 PM PDT11:10 PM PDT 1.9 kt6:16 AM PDT7:57 PM PDT6:34 AM PDT9:43 PM PDT
Tue 291:50 AM PDT4:57 AM PDT −2.8 kt9:19 AM PDT12:56 PM PDT 1.9 kt3:52 PM PDT6:07 PM PDT −1.3 kt8:37 PM PDT11:57 PM PDT 1.7 kt6:15 AM PDT7:58 PM PDT7:19 AM PDT11:00 PM PDT
Wed 302:30 AM PDT5:40 AM PDT −2.7 kt10:08 AM PDT1:51 PM PDT 1.9 kt4:50 PM PDT7:03 PM PDT −1.2 kt9:30 PM PDT6:14 AM PDT7:59 PM PDT8:12 AM PDT

Alcatraz Island, 0.5 mi north of (depth 6 ft), San Francisco Bay, California Current
37.8351° N, 122.4201° W
Flood direction 74° true
Ebb direction 293° true

May 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Thu 0112:48 AM PDT 1.5 kt3:13 AM PDT6:28 AM PDT −2.4 kt11:08 AM PDT2:47 PM PDT 1.7 kt5:49 PM PDT7:59 PM PDT −1.1 kt10:32 PM PDT6:13 AM PDT8:00 PM PDT9:15 AM PDT12:10 AM PDT
Fri 021:38 AM PDT 1.2 kt4:00 AM PDT7:19 AM PDT −2.1 kt12:17 PM PDT3:52 PM PDT 1.6 kt6:49 PM PDT8:58 PM PDT −1.0 kt11:47 PM PDT6:12 AM PDT8:01 PM PDT10:24 AM PDT1:07 AM PDT
Sat 032:29 AM PDT 1.0 kt4:55 AM PDT8:14 AM PDT −1.7 kt1:24 PM PDT5:01 PM PDT 1.6 kt7:49 PM PDT10:06 PM PDT −1.0 kt6:11 AM PDT8:02 PM PDT11:33 AM PDT1:53 AM PDT
Sun 041:06 AM PDT3:27 AM PDT 0.8 kt6:00 AM PDT9:30 AM PDT −1.4 kt2:26 PM PDT5:58 PM PDT 1.6 kt8:48 PM PDT11:11 PM PDT −1.1 ktFirst Quarter6:09 AM PDT8:03 PM PDT12:41 PM PDT2:29 AM PDT
Mon 052:29 AM PDT4:38 AM PDT 0.6 kt7:15 AM PDT11:08 AM PDT −1.3 kt3:19 PM PDT6:47 PM PDT 1.7 kt9:40 PM PDT6:08 AM PDT8:04 PM PDT1:45 PM PDT2:58 AM PDT
Tue 0612:05 AM PDT −1.2 kt3:52 AM PDT5:54 AM PDT 0.6 kt8:38 AM PDT12:10 PM PDT −1.3 kt4:02 PM PDT7:30 PM PDT 1.8 kt10:23 PM PDT6:07 AM PDT8:05 PM PDT2:46 PM PDT3:22 AM PDT
Wed 0712:54 AM PDT −1.4 kt5:00 AM PDT7:34 AM PDT 0.6 kt9:55 AM PDT1:03 PM PDT −1.3 kt4:36 PM PDT8:04 PM PDT 1.8 kt10:57 PM PDT6:06 AM PDT8:06 PM PDT3:45 PM PDT3:45 AM PDT
Thu 081:40 AM PDT −1.6 kt5:57 AM PDT8:54 AM PDT 0.8 kt11:00 AM PDT1:55 PM PDT −1.2 kt5:06 PM PDT8:29 PM PDT 1.9 kt11:25 PM PDT6:05 AM PDT8:07 PM PDT4:43 PM PDT4:05 AM PDT
Fri 092:22 AM PDT −1.9 kt6:46 AM PDT9:43 AM PDT 0.9 kt12:00 PM PDT2:45 PM PDT −1.1 kt5:34 PM PDT8:53 PM PDT 1.9 kt11:51 PM PDT6:04 AM PDT8:08 PM PDT5:41 PM PDT4:26 AM PDT
Sat 102:58 AM PDT −2.1 kt7:28 AM PDT10:25 AM PDT 1.1 kt1:01 PM PDT3:31 PM PDT −1.0 kt6:03 PM PDT9:22 PM PDT 1.9 kt6:03 AM PDT8:09 PM PDT6:40 PM PDT4:48 AM PDT
Sun 1112:16 AM PDT3:28 AM PDT −2.2 kt8:06 AM PDT11:07 AM PDT 1.2 kt1:58 PM PDT4:14 PM PDT −0.9 kt6:36 PM PDT9:54 PM PDT 1.8 kt6:02 AM PDT8:09 PM PDT7:41 PM PDT5:12 AM PDT
Mon 1212:41 AM PDT3:55 AM PDT −2.3 kt8:39 AM PDT11:52 AM PDT 1.3 kt2:50 PM PDT4:57 PM PDT −0.8 kt7:14 PM PDT10:30 PM PDT 1.6 ktFull Moon6:01 AM PDT8:10 PM PDT8:43 PM PDT5:40 AM PDT
Tue 131:08 AM PDT4:21 AM PDT −2.4 kt9:11 AM PDT12:37 PM PDT 1.3 kt3:37 PM PDT5:42 PM PDT −0.7 kt7:54 PM PDT11:11 PM PDT 1.5 kt6:01 AM PDT8:11 PM PDT9:44 PM PDT6:14 AM PDT
Wed 141:39 AM PDT4:50 AM PDT −2.4 kt9:42 AM PDT1:16 PM PDT 1.4 kt4:22 PM PDT6:29 PM PDT −0.7 kt8:35 PM PDT11:56 PM PDT 1.3 kt6:00 AM PDT8:12 PM PDT10:43 PM PDT6:54 AM PDT
Thu 152:14 AM PDT5:26 AM PDT −2.3 kt10:14 AM PDT1:51 PM PDT 1.3 kt5:08 PM PDT7:12 PM PDT −0.6 kt9:17 PM PDT5:59 AM PDT8:13 PM PDT11:36 PM PDT7:43 AM PDT
Fri 1612:45 AM PDT 1.2 kt2:52 AM PDT6:07 AM PDT −2.2 kt10:52 AM PDT2:29 PM PDT 1.3 kt5:55 PM PDT7:54 PM PDT −0.6 kt10:03 PM PDT5:58 AM PDT8:14 PM PDT8:39 AM PDT
Sat 171:32 AM PDT 1.1 kt3:32 AM PDT6:52 AM PDT −2.1 kt11:39 AM PDT3:14 PM PDT 1.3 kt6:44 PM PDT8:41 PM PDT −0.6 kt11:03 PM PDT5:57 AM PDT8:14 PM PDT12:23 AM PDT9:41 AM PDT
Sun 182:19 AM PDT 0.9 kt4:16 AM PDT7:41 AM PDT −1.9 kt12:29 PM PDT4:09 PM PDT 1.3 kt7:34 PM PDT9:41 PM PDT −0.6 kt5:56 AM PDT8:15 PM PDT1:03 AM PDT10:48 AM PDT
Mon 1912:20 AM PDT3:13 AM PDT 0.7 kt5:08 AM PDT8:35 AM PDT −1.7 kt1:15 PM PDT5:02 PM PDT 1.5 kt8:21 PM PDT10:44 PM PDT −0.8 kt5:56 AM PDT8:16 PM PDT1:37 AM PDT11:56 AM PDT
Tue 201:47 AM PDT4:18 AM PDT 0.6 kt6:10 AM PDT9:44 AM PDT −1.6 kt1:58 PM PDT5:45 PM PDT 1.6 kt9:02 PM PDT11:34 PM PDT −1.1 ktLast Quarter5:55 AM PDT8:17 PM PDT2:07 AM PDT1:04 PM PDT
Wed 213:21 AM PDT5:28 AM PDT 0.6 kt7:29 AM PDT11:03 AM PDT −1.5 kt2:42 PM PDT6:25 PM PDT 1.8 kt9:39 PM PDT5:54 AM PDT8:18 PM PDT2:34 AM PDT2:13 PM PDT
Thu 2212:17 AM PDT −1.5 kt4:31 AM PDT6:38 AM PDT 0.7 kt9:06 AM PDT12:08 PM PDT −1.4 kt3:25 PM PDT7:06 PM PDT 2.0 kt10:13 PM PDT5:54 AM PDT8:19 PM PDT2:59 AM PDT3:24 PM PDT
Fri 2312:58 AM PDT −1.9 kt5:24 AM PDT7:58 AM PDT 1.0 kt10:32 AM PDT1:09 PM PDT −1.3 kt4:09 PM PDT7:49 PM PDT 2.0 kt10:46 PM PDT5:53 AM PDT8:19 PM PDT3:25 AM PDT4:36 PM PDT
Sat 241:41 AM PDT −2.3 kt6:12 AM PDT9:10 AM PDT 1.3 kt11:45 AM PDT2:13 PM PDT −1.3 kt4:54 PM PDT8:32 PM PDT 2.0 kt11:20 PM PDT5:52 AM PDT8:20 PM PDT3:53 AM PDT5:53 PM PDT
Sun 252:25 AM PDT −2.6 kt6:58 AM PDT10:06 AM PDT 1.6 kt12:54 PM PDT3:13 PM PDT −1.2 kt5:42 PM PDT9:15 PM PDT 2.0 kt11:57 PM PDT5:52 AM PDT8:21 PM PDT4:26 AM PDT7:12 PM PDT
Mon 263:09 AM PDT −2.8 kt7:44 AM PDT11:00 AM PDT 1.9 kt1:57 PM PDT4:07 PM PDT −1.2 kt6:35 PM PDT9:59 PM PDT 1.8 ktNew Moon5:51 AM PDT8:22 PM PDT5:06 AM PDT8:32 PM PDT
Tue 2712:38 AM PDT3:51 AM PDT −2.8 kt8:29 AM PDT11:57 AM PDT 2.0 kt2:53 PM PDT5:00 PM PDT −1.2 kt7:31 PM PDT10:44 PM PDT 1.7 kt5:51 AM PDT8:23 PM PDT5:56 AM PDT9:47 PM PDT
Wed 281:22 AM PDT4:36 AM PDT −2.7 kt9:17 AM PDT12:54 PM PDT 2.0 kt3:45 PM PDT5:54 PM PDT −1.2 kt8:26 PM PDT11:34 PM PDT 1.5 kt5:50 AM PDT8:23 PM PDT6:55 AM PDT10:52 PM PDT
Thu 292:10 AM PDT5:23 AM PDT −2.5 kt10:09 AM PDT1:45 PM PDT 2.0 kt4:37 PM PDT6:49 PM PDT −1.2 kt9:21 PM PDT5:50 AM PDT8:24 PM PDT8:03 AM PDT11:44 PM PDT
Fri 3012:27 AM PDT 1.4 kt2:58 AM PDT6:16 AM PDT −2.3 kt11:06 AM PDT2:34 PM PDT 1.9 kt5:30 PM PDT7:41 PM PDT −1.1 kt10:21 PM PDT5:49 AM PDT8:25 PM PDT9:15 AM PDT
Sat 311:19 AM PDT 1.2 kt3:46 AM PDT7:10 AM PDT −2.0 kt12:02 PM PDT3:25 PM PDT 1.8 kt6:24 PM PDT8:34 PM PDT −1.1 kt11:34 PM PDT5:49 AM PDT8:25 PM PDT10:26 AM PDT12:25 AM PDT

Alcatraz Island, 0.5 mi north of (depth 6 ft), San Francisco Bay, California Current
37.8351° N, 122.4201° W
Flood direction 74° true
Ebb direction 293° true

June 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Sun 012:09 AM PDT 0.9 kt4:36 AM PDT8:05 AM PDT −1.7 kt12:52 PM PDT4:20 PM PDT 1.7 kt7:18 PM PDT9:35 PM PDT −1.0 kt5:49 AM PDT8:26 PM PDT11:33 AM PDT12:58 AM PDT
Mon 0212:55 AM PDT3:02 AM PDT 0.7 kt5:31 AM PDT9:11 AM PDT −1.4 kt1:36 PM PDT5:10 PM PDT 1.7 kt8:09 PM PDT10:40 PM PDT −1.1 ktFirst Quarter5:48 AM PDT8:27 PM PDT12:37 PM PDT1:25 AM PDT
Tue 032:22 AM PDT4:10 AM PDT 0.4 kt6:38 AM PDT10:36 AM PDT −1.2 kt2:16 PM PDT5:48 PM PDT 1.7 kt8:55 PM PDT11:35 PM PDT −1.3 kt5:48 AM PDT8:27 PM PDT1:37 PM PDT1:48 AM PDT
Wed 043:51 AM PDT5:41 AM PDT 0.3 kt8:04 AM PDT11:39 AM PDT −1.1 kt2:52 PM PDT6:18 PM PDT 1.7 kt9:33 PM PDT5:48 AM PDT8:28 PM PDT2:36 PM PDT2:10 AM PDT
Thu 0512:20 AM PDT −1.5 kt5:01 AM PDT7:45 AM PDT 0.5 kt9:39 AM PDT12:30 PM PDT −1.0 kt3:27 PM PDT6:47 PM PDT 1.7 kt10:04 PM PDT5:47 AM PDT8:28 PM PDT3:34 PM PDT2:30 AM PDT
Fri 061:00 AM PDT −1.7 kt5:51 AM PDT8:52 AM PDT 0.7 kt10:56 AM PDT1:23 PM PDT −0.8 kt4:01 PM PDT7:20 PM PDT 1.7 kt10:31 PM PDT5:47 AM PDT8:29 PM PDT4:33 PM PDT2:52 AM PDT
Sat 071:38 AM PDT −1.9 kt6:33 AM PDT9:39 AM PDT 1.0 kt12:02 PM PDT2:18 PM PDT −0.8 kt4:37 PM PDT7:58 PM PDT 1.7 kt10:57 PM PDT5:47 AM PDT8:30 PM PDT5:33 PM PDT3:15 AM PDT
Sun 082:13 AM PDT −2.1 kt7:10 AM PDT10:19 AM PDT 1.2 kt1:02 PM PDT3:09 PM PDT −0.7 kt5:16 PM PDT8:39 PM PDT 1.6 kt11:24 PM PDT5:47 AM PDT8:30 PM PDT6:34 PM PDT3:42 AM PDT
Mon 092:45 AM PDT −2.2 kt7:45 AM PDT10:58 AM PDT 1.3 kt1:55 PM PDT3:54 PM PDT −0.7 kt5:59 PM PDT9:20 PM PDT 1.6 kt11:55 PM PDT5:47 AM PDT8:31 PM PDT7:36 PM PDT4:14 AM PDT
Tue 103:16 AM PDT −2.2 kt8:20 AM PDT11:38 AM PDT 1.4 kt2:39 PM PDT4:36 PM PDT −0.7 kt6:45 PM PDT10:01 PM PDT 1.5 kt5:47 AM PDT8:31 PM PDT8:36 PM PDT4:52 AM PDT
Wed 1112:30 AM PDT3:48 AM PDT −2.3 kt8:53 AM PDT12:19 PM PDT 1.4 kt3:19 PM PDT5:18 PM PDT −0.7 kt7:30 PM PDT10:44 PM PDT 1.4 ktFull Moon5:47 AM PDT8:32 PM PDT9:32 PM PDT5:39 AM PDT
Thu 121:09 AM PDT4:23 AM PDT −2.3 kt9:26 AM PDT12:56 PM PDT 1.5 kt3:58 PM PDT6:00 PM PDT −0.7 kt8:13 PM PDT11:30 PM PDT 1.3 kt5:47 AM PDT8:32 PM PDT10:21 PM PDT6:33 AM PDT
Fri 131:50 AM PDT5:03 AM PDT −2.3 kt9:59 AM PDT1:30 PM PDT 1.5 kt4:37 PM PDT6:42 PM PDT −0.7 kt8:54 PM PDT5:47 AM PDT8:32 PM PDT11:04 PM PDT7:35 AM PDT
Sat 1412:19 AM PDT 1.2 kt2:31 AM PDT5:47 AM PDT −2.2 kt10:32 AM PDT2:03 PM PDT 1.6 kt5:19 PM PDT7:23 PM PDT −0.7 kt9:39 PM PDT5:47 AM PDT8:33 PM PDT11:39 PM PDT8:40 AM PDT
Sun 151:09 AM PDT 1.1 kt3:12 AM PDT6:35 AM PDT −2.2 kt11:06 AM PDT2:40 PM PDT 1.6 kt6:01 PM PDT8:04 PM PDT −0.8 kt10:38 PM PDT5:47 AM PDT8:33 PM PDT9:48 AM PDT
Mon 161:57 AM PDT 0.9 kt3:55 AM PDT7:25 AM PDT −2.1 kt11:42 AM PDT3:21 PM PDT 1.7 kt6:43 PM PDT8:52 PM PDT −0.9 kt11:58 PM PDT5:47 AM PDT8:33 PM PDT12:10 AM PDT10:56 AM PDT
Tue 172:49 AM PDT 0.7 kt4:46 AM PDT8:17 AM PDT −1.8 kt12:20 PM PDT4:06 PM PDT 1.8 kt7:24 PM PDT9:49 PM PDT −1.1 kt5:47 AM PDT8:34 PM PDT12:37 AM PDT12:03 PM PDT
Wed 181:30 AM PDT3:55 AM PDT 0.6 kt5:53 AM PDT9:21 AM PDT −1.6 kt12:59 PM PDT4:52 PM PDT 1.9 kt8:03 PM PDT10:46 PM PDT −1.4 ktLast Quarter5:47 AM PDT8:34 PM PDT1:02 AM PDT1:12 PM PDT
Thu 193:02 AM PDT5:12 AM PDT 0.6 kt7:26 AM PDT10:42 AM PDT −1.3 kt1:43 PM PDT5:36 PM PDT 1.9 kt8:42 PM PDT11:35 PM PDT −1.8 kt5:47 AM PDT8:34 PM PDT1:27 AM PDT2:21 PM PDT
Fri 204:13 AM PDT6:33 AM PDT 0.8 kt9:12 AM PDT11:52 AM PDT −1.2 kt2:33 PM PDT6:20 PM PDT 1.9 kt9:21 PM PDT5:47 AM PDT8:35 PM PDT1:53 AM PDT3:33 PM PDT
Sat 2112:19 AM PDT −2.1 kt5:07 AM PDT8:07 AM PDT 1.1 kt10:39 AM PDT12:56 PM PDT −1.1 kt3:29 PM PDT7:07 PM PDT 1.8 kt10:01 PM PDT5:47 AM PDT8:35 PM PDT2:23 AM PDT4:49 PM PDT
Sun 221:04 AM PDT −2.4 kt5:57 AM PDT9:14 AM PDT 1.5 kt11:49 AM PDT2:01 PM PDT −1.1 kt4:28 PM PDT7:57 PM PDT 1.8 kt10:44 PM PDT5:48 AM PDT8:35 PM PDT2:58 AM PDT6:07 PM PDT
Mon 231:54 AM PDT −2.5 kt6:46 AM PDT10:06 AM PDT 1.8 kt12:52 PM PDT3:02 PM PDT −1.1 kt5:26 PM PDT8:49 PM PDT 1.7 kt11:29 PM PDT5:48 AM PDT8:35 PM PDT3:42 AM PDT7:23 PM PDT
Tue 242:46 AM PDT −2.6 kt7:36 AM PDT10:56 AM PDT 2.0 kt1:48 PM PDT3:55 PM PDT −1.2 kt6:25 PM PDT9:39 PM PDT 1.7 kt5:48 AM PDT8:35 PM PDT4:36 AM PDT8:33 PM PDT
Wed 2512:18 AM PDT3:37 AM PDT −2.6 kt8:26 AM PDT11:48 AM PDT 2.0 kt2:39 PM PDT4:45 PM PDT −1.2 kt7:23 PM PDT10:27 PM PDT 1.6 ktNew Moon5:49 AM PDT8:35 PM PDT5:41 AM PDT9:31 PM PDT
Thu 261:10 AM PDT4:26 AM PDT −2.5 kt9:15 AM PDT12:40 PM PDT 2.0 kt3:26 PM PDT5:36 PM PDT −1.3 kt8:17 PM PDT11:17 PM PDT 1.5 kt5:49 AM PDT8:35 PM PDT6:52 AM PDT10:18 PM PDT
Fri 272:02 AM PDT5:17 AM PDT −2.3 kt10:03 AM PDT1:27 PM PDT 2.0 kt4:14 PM PDT6:28 PM PDT −1.2 kt9:11 PM PDT5:49 AM PDT8:35 PM PDT8:05 AM PDT10:55 PM PDT
Sat 2812:09 AM PDT 1.3 kt2:50 AM PDT6:12 AM PDT −2.1 kt10:48 AM PDT2:09 PM PDT 2.0 kt5:02 PM PDT7:18 PM PDT −1.2 kt10:08 PM PDT5:50 AM PDT8:35 PM PDT9:16 AM PDT11:24 PM PDT
Sun 291:01 AM PDT 1.1 kt3:34 AM PDT7:04 AM PDT −1.9 kt11:30 AM PDT2:46 PM PDT 1.9 kt5:49 PM PDT8:06 PM PDT −1.2 kt11:20 PM PDT5:50 AM PDT8:35 PM PDT10:22 AM PDT11:50 PM PDT
Mon 301:50 AM PDT 0.9 kt4:17 AM PDT7:53 AM PDT −1.7 kt12:06 PM PDT3:22 PM PDT 1.8 kt6:34 PM PDT8:57 PM PDT −1.2 kt5:51 AM PDT8:35 PM PDT11:25 AM PDT

Alcatraz Island, 0.5 mi north of (depth 6 ft), San Francisco Bay, California Current
37.8351° N, 122.4201° W
Flood direction 74° true
Ebb direction 293° true

July 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Tue 0112:42 AM PDT2:40 AM PDT 0.6 kt5:05 AM PDT8:45 AM PDT −1.4 kt12:38 PM PDT3:57 PM PDT 1.8 kt7:15 PM PDT9:54 PM PDT −1.2 kt5:51 AM PDT8:35 PM PDT12:26 PM PDT12:12 AM PDT
Wed 022:07 AM PDT3:43 AM PDT 0.4 kt6:11 AM PDT9:54 AM PDT −1.1 kt1:08 PM PDT4:32 PM PDT 1.7 kt7:52 PM PDT10:50 PM PDT −1.4 ktFirst Quarter5:52 AM PDT8:35 PM PDT1:25 PM PDT12:34 AM PDT
Thu 033:35 AM PDT5:50 AM PDT 0.3 kt7:48 AM PDT11:06 AM PDT −0.8 kt1:40 PM PDT5:09 PM PDT 1.6 kt8:27 PM PDT11:35 PM PDT −1.5 kt5:52 AM PDT8:35 PM PDT2:23 PM PDT12:55 AM PDT
Fri 044:41 AM PDT7:34 AM PDT 0.5 kt9:36 AM PDT12:03 PM PDT −0.7 kt2:19 PM PDT5:48 PM PDT 1.6 kt8:59 PM PDT5:53 AM PDT8:35 PM PDT3:23 PM PDT1:18 AM PDT
Sat 0512:12 AM PDT −1.7 kt5:27 AM PDT8:38 AM PDT 0.8 kt10:57 AM PDT12:57 PM PDT −0.6 kt3:06 PM PDT6:29 PM PDT 1.5 kt9:31 PM PDT5:53 AM PDT8:34 PM PDT4:24 PM PDT1:43 AM PDT
Sun 0612:46 AM PDT −1.8 kt6:06 AM PDT9:24 AM PDT 1.1 kt11:58 AM PDT1:54 PM PDT −0.6 kt3:59 PM PDT7:14 PM PDT 1.4 kt10:06 PM PDT5:54 AM PDT8:34 PM PDT5:26 PM PDT2:13 AM PDT
Mon 071:22 AM PDT −1.9 kt6:45 AM PDT10:02 AM PDT 1.2 kt12:49 PM PDT2:48 PM PDT −0.6 kt4:50 PM PDT8:04 PM PDT 1.4 kt10:43 PM PDT5:54 AM PDT8:34 PM PDT6:27 PM PDT2:49 AM PDT
Tue 082:01 AM PDT −2.0 kt7:23 AM PDT10:38 AM PDT 1.4 kt1:34 PM PDT3:33 PM PDT −0.7 kt5:39 PM PDT8:52 PM PDT 1.4 kt11:23 PM PDT5:55 AM PDT8:34 PM PDT7:25 PM PDT3:33 AM PDT
Wed 092:44 AM PDT −2.0 kt8:00 AM PDT11:13 AM PDT 1.4 kt2:12 PM PDT4:12 PM PDT −0.7 kt6:26 PM PDT9:38 PM PDT 1.4 kt5:55 AM PDT8:34 PM PDT8:17 PM PDT4:25 AM PDT
Thu 1012:05 AM PDT3:25 AM PDT −2.1 kt8:35 AM PDT11:48 AM PDT 1.5 kt2:48 PM PDT4:49 PM PDT −0.8 kt7:11 PM PDT10:22 PM PDT 1.4 ktFull Moon5:56 AM PDT8:33 PM PDT9:02 PM PDT5:25 AM PDT
Fri 1112:49 AM PDT4:06 AM PDT −2.2 kt9:06 AM PDT12:23 PM PDT 1.6 kt3:23 PM PDT5:27 PM PDT −0.9 kt7:54 PM PDT11:08 PM PDT 1.3 kt5:57 AM PDT8:33 PM PDT9:40 PM PDT6:30 AM PDT
Sat 121:33 AM PDT4:48 AM PDT −2.3 kt9:33 AM PDT12:56 PM PDT 1.7 kt3:58 PM PDT6:07 PM PDT −0.9 kt8:37 PM PDT11:57 PM PDT 1.2 kt5:57 AM PDT8:32 PM PDT10:12 PM PDT7:39 AM PDT
Sun 132:16 AM PDT5:33 AM PDT −2.3 kt9:57 AM PDT1:28 PM PDT 1.8 kt4:34 PM PDT6:47 PM PDT −1.1 kt9:25 PM PDT5:58 AM PDT8:32 PM PDT10:40 PM PDT8:48 AM PDT
Mon 1412:48 AM PDT 1.1 kt2:59 AM PDT6:21 AM PDT −2.2 kt10:23 AM PDT2:01 PM PDT 1.9 kt5:11 PM PDT7:28 PM PDT −1.2 kt10:24 PM PDT5:59 AM PDT8:31 PM PDT11:06 PM PDT9:56 AM PDT
Tue 151:39 AM PDT 1.0 kt3:46 AM PDT7:10 AM PDT −2.1 kt10:55 AM PDT2:37 PM PDT 2.0 kt5:47 PM PDT8:10 PM PDT −1.4 kt11:40 PM PDT5:59 AM PDT8:31 PM PDT11:31 PM PDT11:04 AM PDT
Wed 162:33 AM PDT 0.8 kt4:44 AM PDT8:02 AM PDT −1.8 kt11:32 AM PDT3:17 PM PDT 2.0 kt6:24 PM PDT8:57 PM PDT −1.6 kt6:00 AM PDT8:30 PM PDT11:56 PM PDT12:13 PM PDT
Thu 171:03 AM PDT3:39 AM PDT 0.7 kt6:04 AM PDT9:05 AM PDT −1.4 kt12:15 PM PDT4:02 PM PDT 1.9 kt7:03 PM PDT9:51 PM PDT −1.8 ktLast Quarter6:01 AM PDT8:30 PM PDT1:23 PM PDT
Fri 182:26 AM PDT5:04 AM PDT 0.8 kt7:42 AM PDT10:27 AM PDT −1.1 kt1:05 PM PDT4:52 PM PDT 1.8 kt7:44 PM PDT10:49 PM PDT −2.0 kt6:02 AM PDT8:29 PM PDT12:24 AM PDT2:36 PM PDT
Sat 193:42 AM PDT6:38 AM PDT 1.0 kt9:21 AM PDT11:42 AM PDT −1.0 kt2:03 PM PDT5:43 PM PDT 1.6 kt8:32 PM PDT11:42 PM PDT −2.2 kt6:02 AM PDT8:28 PM PDT12:56 AM PDT3:51 PM PDT
Sun 204:44 AM PDT8:04 AM PDT 1.3 kt10:40 AM PDT12:46 PM PDT −1.0 kt3:11 PM PDT6:35 PM PDT 1.5 kt9:25 PM PDT6:03 AM PDT8:28 PM PDT1:36 AM PDT5:06 PM PDT
Mon 2112:35 AM PDT −2.2 kt5:40 AM PDT9:05 AM PDT 1.6 kt11:42 AM PDT1:49 PM PDT −1.0 kt4:21 PM PDT7:33 PM PDT 1.5 kt10:20 PM PDT6:04 AM PDT8:27 PM PDT2:24 AM PDT6:17 PM PDT
Tue 221:32 AM PDT −2.2 kt6:35 AM PDT9:55 AM PDT 1.9 kt12:36 PM PDT2:48 PM PDT −1.1 kt5:23 PM PDT8:32 PM PDT 1.5 kt11:16 PM PDT6:05 AM PDT8:26 PM PDT3:23 AM PDT7:19 PM PDT
Wed 232:36 AM PDT −2.2 kt7:29 AM PDT10:42 AM PDT 2.0 kt1:27 PM PDT3:40 PM PDT −1.3 kt6:22 PM PDT9:26 PM PDT 1.6 kt6:06 AM PDT8:25 PM PDT4:31 AM PDT8:10 PM PDT
Thu 2412:12 AM PDT3:34 AM PDT −2.2 kt8:17 AM PDT11:29 AM PDT 2.0 kt2:15 PM PDT4:27 PM PDT −1.4 kt7:18 PM PDT10:15 PM PDT 1.5 ktNew Moon6:06 AM PDT8:25 PM PDT5:43 AM PDT8:50 PM PDT
Fri 251:06 AM PDT4:25 AM PDT −2.2 kt9:00 AM PDT12:16 PM PDT 2.0 kt3:00 PM PDT5:14 PM PDT −1.4 kt8:11 PM PDT11:02 PM PDT 1.4 kt6:07 AM PDT8:24 PM PDT6:55 AM PDT9:23 PM PDT
Sat 261:57 AM PDT5:14 AM PDT −2.2 kt9:39 AM PDT12:57 PM PDT 2.0 kt3:43 PM PDT6:03 PM PDT −1.4 kt9:04 PM PDT11:53 PM PDT 1.3 kt6:08 AM PDT8:23 PM PDT8:04 AM PDT9:50 PM PDT
Sun 272:42 AM PDT6:04 AM PDT −2.0 kt10:13 AM PDT1:31 PM PDT 2.0 kt4:23 PM PDT6:49 PM PDT −1.4 kt10:01 PM PDT6:09 AM PDT8:22 PM PDT9:10 AM PDT10:14 PM PDT
Mon 2812:45 AM PDT 1.1 kt3:24 AM PDT6:50 AM PDT −1.8 kt10:43 AM PDT1:58 PM PDT 2.0 kt5:02 PM PDT7:32 PM PDT −1.4 kt11:09 PM PDT6:10 AM PDT8:21 PM PDT10:12 AM PDT10:36 PM PDT
Tue 291:34 AM PDT 0.8 kt4:07 AM PDT7:34 AM PDT −1.6 kt11:09 AM PDT2:24 PM PDT 1.9 kt5:36 PM PDT8:13 PM PDT −1.4 kt6:10 AM PDT8:20 PM PDT11:12 AM PDT10:57 PM PDT
Wed 3012:22 AM PDT2:23 AM PDT 0.6 kt5:00 AM PDT8:19 AM PDT −1.2 kt11:36 AM PDT2:53 PM PDT 1.8 kt6:09 PM PDT8:53 PM PDT −1.5 kt6:11 AM PDT8:20 PM PDT12:12 PM PDT11:19 PM PDT
Thu 311:34 AM PDT3:22 AM PDT 0.4 kt6:15 AM PDT9:18 AM PDT −0.9 kt12:08 PM PDT3:30 PM PDT 1.6 kt6:39 PM PDT9:37 PM PDT −1.5 kt6:12 AM PDT8:19 PM PDT1:12 PM PDT11:44 PM PDT

Alcatraz Island, 0.5 mi north of (depth 6 ft), San Francisco Bay, California Current
37.8351° N, 122.4201° W
Flood direction 74° true
Ebb direction 293° true

August 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Fri 012:48 AM PDT5:47 AM PDT 0.4 kt7:52 AM PDT10:37 AM PDT −0.6 kt12:47 PM PDT4:13 PM PDT 1.4 kt7:11 PM PDT10:26 PM PDT −1.5 ktFirst Quarter6:13 AM PDT8:18 PM PDT2:12 PM PDT
Sat 023:55 AM PDT7:09 AM PDT 0.6 kt9:36 AM PDT11:42 AM PDT −0.5 kt1:35 PM PDT5:01 PM PDT 1.3 kt7:47 PM PDT11:12 PM PDT −1.5 kt6:14 AM PDT8:17 PM PDT3:14 PM PDT12:12 AM PDT
Sun 034:48 AM PDT8:12 AM PDT 0.9 kt10:48 AM PDT12:36 PM PDT −0.5 kt2:36 PM PDT5:50 PM PDT 1.2 kt8:31 PM PDT11:54 PM PDT −1.6 kt6:15 AM PDT8:16 PM PDT4:15 PM PDT12:45 AM PDT
Mon 045:33 AM PDT8:59 AM PDT 1.1 kt11:38 AM PDT1:30 PM PDT −0.5 kt3:42 PM PDT6:41 PM PDT 1.2 kt9:21 PM PDT6:16 AM PDT8:14 PM PDT5:14 PM PDT1:25 AM PDT
Tue 0512:36 AM PDT −1.6 kt6:15 AM PDT9:37 AM PDT 1.3 kt12:19 PM PDT2:22 PM PDT −0.6 kt4:40 PM PDT7:35 PM PDT 1.2 kt10:13 PM PDT6:16 AM PDT8:13 PM PDT6:09 PM PDT2:14 AM PDT
Wed 061:25 AM PDT −1.7 kt6:56 AM PDT10:10 AM PDT 1.4 kt12:58 PM PDT3:06 PM PDT −0.8 kt5:28 PM PDT8:30 PM PDT 1.3 kt11:01 PM PDT6:17 AM PDT8:12 PM PDT6:57 PM PDT3:11 AM PDT
Thu 072:19 AM PDT −1.8 kt7:32 AM PDT10:39 AM PDT 1.5 kt1:34 PM PDT3:44 PM PDT −0.9 kt6:13 PM PDT9:19 PM PDT 1.3 kt11:48 PM PDT6:18 AM PDT8:11 PM PDT7:38 PM PDT4:15 AM PDT
Fri 083:08 AM PDT −2.0 kt8:03 AM PDT11:07 AM PDT 1.6 kt2:08 PM PDT4:19 PM PDT −1.0 kt6:58 PM PDT10:04 PM PDT 1.4 kt6:19 AM PDT8:10 PM PDT8:12 PM PDT5:23 AM PDT
Sat 0912:34 AM PDT3:51 AM PDT −2.2 kt8:29 AM PDT11:38 AM PDT 1.8 kt2:41 PM PDT4:54 PM PDT −1.1 kt7:44 PM PDT10:50 PM PDT 1.3 ktFull Moon6:20 AM PDT8:09 PM PDT8:42 PM PDT6:34 AM PDT
Sun 101:20 AM PDT4:33 AM PDT −2.2 kt8:51 AM PDT12:11 PM PDT 1.9 kt3:13 PM PDT5:31 PM PDT −1.3 kt8:30 PM PDT11:40 PM PDT 1.3 kt6:21 AM PDT8:08 PM PDT9:09 PM PDT7:44 AM PDT
Mon 112:08 AM PDT5:18 AM PDT −2.2 kt9:13 AM PDT12:45 PM PDT 2.1 kt3:44 PM PDT6:10 PM PDT −1.6 kt9:19 PM PDT6:22 AM PDT8:06 PM PDT9:35 PM PDT8:53 AM PDT
Tue 1212:34 AM PDT 1.2 kt2:58 AM PDT6:07 AM PDT −2.1 kt9:39 AM PDT1:20 PM PDT 2.1 kt4:16 PM PDT6:50 PM PDT −1.8 kt10:13 PM PDT6:22 AM PDT8:05 PM PDT10:00 PM PDT10:03 AM PDT
Wed 131:28 AM PDT 1.2 kt3:54 AM PDT6:58 AM PDT −1.9 kt10:12 AM PDT1:56 PM PDT 2.1 kt4:49 PM PDT7:31 PM PDT −2.0 kt11:17 PM PDT6:23 AM PDT8:04 PM PDT10:27 PM PDT11:14 AM PDT
Thu 142:24 AM PDT 1.1 kt5:03 AM PDT7:53 AM PDT −1.5 kt10:53 AM PDT2:35 PM PDT 1.9 kt5:26 PM PDT8:14 PM PDT −2.1 kt6:24 AM PDT8:03 PM PDT10:58 PM PDT12:27 PM PDT
Fri 1512:28 AM PDT3:30 AM PDT 1.0 kt6:26 AM PDT8:57 AM PDT −1.2 kt11:43 AM PDT3:20 PM PDT 1.7 kt6:06 PM PDT9:03 PM PDT −2.1 ktLast Quarter6:25 AM PDT8:02 PM PDT11:35 PM PDT1:41 PM PDT
Sat 161:44 AM PDT5:04 AM PDT 1.1 kt7:54 AM PDT10:19 AM PDT −0.9 kt12:43 PM PDT4:14 PM PDT 1.5 kt6:54 PM PDT10:04 PM PDT −2.0 kt6:26 AM PDT8:00 PM PDT2:56 PM PDT
Sun 173:08 AM PDT6:34 AM PDT 1.2 kt9:20 AM PDT11:33 AM PDT −0.9 kt1:53 PM PDT5:14 PM PDT 1.3 kt7:52 PM PDT11:12 PM PDT −1.9 kt6:27 AM PDT7:59 PM PDT12:19 AM PDT4:07 PM PDT
Mon 184:22 AM PDT7:49 AM PDT 1.5 kt10:28 AM PDT12:34 PM PDT −1.0 kt3:12 PM PDT6:14 PM PDT 1.3 kt9:01 PM PDT6:28 AM PDT7:58 PM PDT1:14 AM PDT5:11 PM PDT
Tue 1912:16 AM PDT −1.9 kt5:25 AM PDT8:48 AM PDT 1.7 kt11:23 AM PDT1:33 PM PDT −1.1 kt4:25 PM PDT7:16 PM PDT 1.3 kt10:11 PM PDT6:28 AM PDT7:56 PM PDT2:17 AM PDT6:04 PM PDT
Wed 201:24 AM PDT −1.9 kt6:21 AM PDT9:37 AM PDT 1.9 kt12:13 PM PDT2:30 PM PDT −1.3 kt5:26 PM PDT8:22 PM PDT 1.4 kt11:12 PM PDT6:29 AM PDT7:55 PM PDT3:27 AM PDT6:47 PM PDT
Thu 212:35 AM PDT −1.9 kt7:10 AM PDT10:20 AM PDT 2.0 kt1:00 PM PDT3:21 PM PDT −1.4 kt6:22 PM PDT9:18 PM PDT 1.4 kt6:30 AM PDT7:54 PM PDT4:38 AM PDT7:22 PM PDT
Fri 2212:08 AM PDT3:32 AM PDT −2.0 kt7:52 AM PDT11:00 AM PDT 2.0 kt1:45 PM PDT4:06 PM PDT −1.5 kt7:17 PM PDT10:06 PM PDT 1.4 ktNew Moon6:31 AM PDT7:52 PM PDT5:48 AM PDT7:51 PM PDT
Sat 231:00 AM PDT4:18 AM PDT −2.0 kt8:28 AM PDT11:37 AM PDT 2.1 kt2:25 PM PDT4:50 PM PDT −1.6 kt8:11 PM PDT10:52 PM PDT 1.3 kt6:32 AM PDT7:51 PM PDT6:54 AM PDT8:16 PM PDT
Sun 241:49 AM PDT5:02 AM PDT −2.0 kt8:58 AM PDT12:10 PM PDT 2.0 kt3:02 PM PDT5:32 PM PDT −1.7 kt9:02 PM PDT11:42 PM PDT 1.2 kt6:33 AM PDT7:49 PM PDT7:58 AM PDT8:38 PM PDT
Mon 252:35 AM PDT5:46 AM PDT −1.8 kt9:24 AM PDT12:38 PM PDT 2.0 kt3:34 PM PDT6:14 PM PDT −1.7 kt9:55 PM PDT6:34 AM PDT7:48 PM PDT8:59 AM PDT9:00 PM PDT
Tue 2612:35 AM PDT 1.0 kt3:21 AM PDT6:30 AM PDT −1.6 kt9:47 AM PDT1:04 PM PDT 1.9 kt4:03 PM PDT6:51 PM PDT −1.8 kt10:50 PM PDT6:34 AM PDT7:47 PM PDT9:59 AM PDT9:22 PM PDT
Wed 271:25 AM PDT 0.9 kt4:11 AM PDT7:14 AM PDT −1.3 kt10:11 AM PDT1:33 PM PDT 1.8 kt4:30 PM PDT7:23 PM PDT −1.8 kt11:48 PM PDT6:35 AM PDT7:45 PM PDT10:59 AM PDT9:45 PM PDT
Thu 282:12 AM PDT 0.8 kt5:13 AM PDT8:00 AM PDT −1.0 kt10:41 AM PDT2:06 PM PDT 1.6 kt4:56 PM PDT7:52 PM PDT −1.7 kt6:36 AM PDT7:44 PM PDT12:00 PM PDT10:12 PM PDT
Fri 2912:46 AM PDT3:06 AM PDT 0.7 kt6:27 AM PDT8:55 AM PDT −0.7 kt11:20 AM PDT2:43 PM PDT 1.4 kt5:24 PM PDT8:24 PM PDT −1.7 kt6:37 AM PDT7:42 PM PDT1:01 PM PDT10:42 PM PDT
Sat 301:46 AM PDT5:17 AM PDT 0.6 kt7:53 AM PDT10:11 AM PDT −0.5 kt12:11 PM PDT3:28 PM PDT 1.2 kt5:59 PM PDT9:03 PM PDT −1.5 ktFirst Quarter6:38 AM PDT7:41 PM PDT2:02 PM PDT11:19 PM PDT
Sun 312:55 AM PDT6:32 AM PDT 0.7 kt9:21 AM PDT11:21 AM PDT −0.4 kt1:12 PM PDT4:22 PM PDT 1.0 kt6:43 PM PDT9:58 PM PDT −1.4 kt6:39 AM PDT7:39 PM PDT3:02 PM PDT

Alcatraz Island, 0.5 mi north of (depth 6 ft), San Francisco Bay, California Current
37.8351° N, 122.4201° W
Flood direction 74° true
Ebb direction 293° true

September 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Mon 014:01 AM PDT7:33 AM PDT 0.9 kt10:22 AM PDT12:14 PM PDT −0.5 kt2:23 PM PDT5:19 PM PDT 0.9 kt7:38 PM PDT11:04 PM PDT −1.4 kt6:40 AM PDT7:38 PM PDT3:58 PM PDT12:04 AM PDT
Tue 024:54 AM PDT8:23 AM PDT 1.1 kt11:05 AM PDT1:03 PM PDT −0.6 kt3:35 PM PDT6:15 PM PDT 0.9 kt8:43 PM PDT6:40 AM PDT7:36 PM PDT4:49 PM PDT12:56 AM PDT
Wed 0312:02 AM PDT −1.4 kt5:38 AM PDT9:02 AM PDT 1.3 kt11:41 AM PDT1:51 PM PDT −0.7 kt4:33 PM PDT7:11 PM PDT 1.0 kt9:46 PM PDT6:41 AM PDT7:35 PM PDT5:32 PM PDT1:57 AM PDT
Thu 0412:58 AM PDT −1.5 kt6:15 AM PDT9:32 AM PDT 1.4 kt12:16 PM PDT2:35 PM PDT −0.9 kt5:22 PM PDT8:09 PM PDT 1.1 kt10:41 PM PDT6:42 AM PDT7:33 PM PDT6:09 PM PDT3:03 AM PDT
Fri 051:56 AM PDT −1.7 kt6:47 AM PDT9:57 AM PDT 1.6 kt12:49 PM PDT3:13 PM PDT −1.1 kt6:09 PM PDT9:02 PM PDT 1.2 kt11:31 PM PDT6:43 AM PDT7:32 PM PDT6:41 PM PDT4:13 AM PDT
Sat 062:49 AM PDT −1.9 kt7:13 AM PDT10:21 AM PDT 1.8 kt1:21 PM PDT3:48 PM PDT −1.3 kt6:56 PM PDT9:50 PM PDT 1.3 kt6:44 AM PDT7:30 PM PDT7:10 PM PDT5:24 AM PDT
Sun 0712:21 AM PDT3:34 AM PDT −2.0 kt7:36 AM PDT10:49 AM PDT 2.0 kt1:52 PM PDT4:21 PM PDT −1.6 kt7:43 PM PDT10:37 PM PDT 1.3 ktFull Moon6:45 AM PDT7:29 PM PDT7:36 PM PDT6:35 AM PDT
Mon 081:14 AM PDT4:18 AM PDT −2.1 kt8:00 AM PDT11:22 AM PDT 2.1 kt2:23 PM PDT4:55 PM PDT −1.9 kt8:28 PM PDT11:30 PM PDT 1.4 kt6:45 AM PDT7:27 PM PDT8:02 PM PDT7:47 AM PDT
Tue 092:11 AM PDT5:04 AM PDT −2.0 kt8:27 AM PDT11:59 AM PDT 2.1 kt2:52 PM PDT5:33 PM PDT −2.2 kt9:12 PM PDT6:46 AM PDT7:26 PM PDT8:29 PM PDT8:59 AM PDT
Wed 1012:27 AM PDT 1.4 kt3:09 AM PDT5:55 AM PDT −1.8 kt8:59 AM PDT12:38 PM PDT 2.1 kt3:23 PM PDT6:12 PM PDT −2.4 kt9:59 PM PDT6:47 AM PDT7:24 PM PDT8:59 PM PDT10:13 AM PDT
Thu 111:24 AM PDT 1.4 kt4:12 AM PDT6:51 AM PDT −1.5 kt9:38 AM PDT1:19 PM PDT 1.9 kt3:56 PM PDT6:54 PM PDT −2.5 kt10:52 PM PDT6:48 AM PDT7:23 PM PDT9:34 PM PDT11:29 AM PDT
Fri 122:20 AM PDT 1.4 kt5:23 AM PDT7:48 AM PDT −1.3 kt10:26 AM PDT2:01 PM PDT 1.7 kt4:34 PM PDT7:38 PM PDT −2.4 kt11:56 PM PDT6:49 AM PDT7:21 PM PDT10:17 PM PDT12:46 PM PDT
Sat 133:27 AM PDT 1.3 kt6:37 AM PDT8:51 AM PDT −1.0 kt11:26 AM PDT2:48 PM PDT 1.4 kt5:20 PM PDT8:27 PM PDT −2.2 kt6:50 AM PDT7:20 PM PDT11:09 PM PDT1:59 PM PDT
Sun 141:13 AM PDT5:02 AM PDT 1.3 kt7:52 AM PDT10:09 AM PDT −0.9 kt12:37 PM PDT3:45 PM PDT 1.2 kt6:16 PM PDT9:28 PM PDT −1.9 ktLast Quarter6:51 AM PDT7:18 PM PDT3:06 PM PDT
Mon 152:42 AM PDT6:19 AM PDT 1.4 kt9:05 AM PDT11:20 AM PDT −1.0 kt1:55 PM PDT4:51 PM PDT 1.1 kt7:27 PM PDT10:52 PM PDT −1.6 kt6:51 AM PDT7:16 PM PDT12:10 AM PDT4:02 PM PDT
Tue 164:01 AM PDT7:25 AM PDT 1.6 kt10:07 AM PDT12:19 PM PDT −1.1 kt3:18 PM PDT5:58 PM PDT 1.1 kt8:48 PM PDT6:52 AM PDT7:15 PM PDT1:17 AM PDT4:47 PM PDT
Wed 1712:10 AM PDT −1.6 kt5:03 AM PDT8:23 AM PDT 1.7 kt10:59 AM PDT1:14 PM PDT −1.2 kt4:29 PM PDT7:05 PM PDT 1.1 kt10:04 PM PDT6:53 AM PDT7:13 PM PDT2:27 AM PDT5:24 PM PDT
Thu 181:21 AM PDT −1.6 kt5:53 AM PDT9:10 AM PDT 1.9 kt11:45 AM PDT2:09 PM PDT −1.4 kt5:29 PM PDT8:18 PM PDT 1.2 kt11:06 PM PDT6:54 AM PDT7:12 PM PDT3:36 AM PDT5:54 PM PDT
Fri 192:27 AM PDT −1.7 kt6:34 AM PDT9:48 AM PDT 2.0 kt12:28 PM PDT2:59 PM PDT −1.6 kt6:26 PM PDT9:18 PM PDT 1.2 kt6:55 AM PDT7:10 PM PDT4:43 AM PDT6:19 PM PDT
Sat 2012:00 AM PDT3:18 AM PDT −1.8 kt7:10 AM PDT10:21 AM PDT 2.1 kt1:07 PM PDT3:43 PM PDT −1.8 kt7:21 PM PDT10:05 PM PDT 1.3 kt6:56 AM PDT7:09 PM PDT5:46 AM PDT6:42 PM PDT
Sun 2112:52 AM PDT4:01 AM PDT −1.8 kt7:40 AM PDT10:47 AM PDT 2.1 kt1:42 PM PDT4:22 PM PDT −1.9 kt8:12 PM PDT10:50 PM PDT 1.2 ktNew Moon6:56 AM PDT7:07 PM PDT6:48 AM PDT7:04 PM PDT
Mon 221:44 AM PDT4:41 AM PDT −1.6 kt8:06 AM PDT11:11 AM PDT 2.0 kt2:12 PM PDT4:58 PM PDT −2.0 kt8:58 PM PDT11:41 PM PDT 1.1 kt6:57 AM PDT7:05 PM PDT7:48 AM PDT7:25 PM PDT
Tue 232:35 AM PDT5:23 AM PDT −1.4 kt8:31 AM PDT11:39 AM PDT 1.9 kt2:38 PM PDT5:31 PM PDT −2.1 kt9:42 PM PDT6:58 AM PDT7:04 PM PDT8:48 AM PDT7:48 PM PDT
Wed 2412:35 AM PDT 1.1 kt3:27 AM PDT6:09 AM PDT −1.2 kt8:56 AM PDT12:11 PM PDT 1.8 kt3:02 PM PDT6:01 PM PDT −2.1 kt10:23 PM PDT6:59 AM PDT7:02 PM PDT9:49 AM PDT8:13 PM PDT
Thu 251:23 AM PDT 1.1 kt4:22 AM PDT6:57 AM PDT −1.0 kt9:25 AM PDT12:48 PM PDT 1.6 kt3:26 PM PDT6:30 PM PDT −2.1 kt11:06 PM PDT7:00 AM PDT7:01 PM PDT10:50 AM PDT8:42 PM PDT
Fri 262:05 AM PDT 1.0 kt5:23 AM PDT7:44 AM PDT −0.8 kt10:00 AM PDT1:26 PM PDT 1.4 kt3:51 PM PDT7:00 PM PDT −2.0 kt11:53 PM PDT7:01 AM PDT6:59 PM PDT11:51 AM PDT9:16 PM PDT
Sat 272:53 AM PDT 0.9 kt6:29 AM PDT8:36 AM PDT −0.6 kt10:46 AM PDT2:07 PM PDT 1.2 kt4:23 PM PDT7:34 PM PDT −1.8 kt7:02 AM PDT6:58 PM PDT12:51 PM PDT9:57 PM PDT
Sun 2812:48 AM PDT4:23 AM PDT 0.8 kt7:37 AM PDT9:42 AM PDT −0.4 kt11:47 AM PDT2:54 PM PDT 1.0 kt5:02 PM PDT8:14 PM PDT −1.6 kt7:03 AM PDT6:56 PM PDT1:48 PM PDT10:46 PM PDT
Mon 291:55 AM PDT5:48 AM PDT 0.9 kt8:46 AM PDT10:53 AM PDT −0.4 kt12:56 PM PDT3:48 PM PDT 0.8 kt5:53 PM PDT9:05 PM PDT −1.4 ktFirst Quarter7:03 AM PDT6:55 PM PDT2:40 PM PDT11:42 PM PDT
Tue 303:06 AM PDT6:43 AM PDT 1.0 kt9:44 AM PDT11:48 AM PDT −0.5 kt2:10 PM PDT4:50 PM PDT 0.7 kt6:53 PM PDT10:19 PM PDT −1.3 kt7:04 AM PDT6:53 PM PDT3:26 PM PDT

Alcatraz Island, 0.5 mi north of (depth 6 ft), San Francisco Bay, California Current
37.8351° N, 122.4201° W
Flood direction 74° true
Ebb direction 293° true

October 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Wed 014:03 AM PDT7:31 AM PDT 1.1 kt10:26 AM PDT12:33 PM PDT −0.7 kt3:26 PM PDT5:50 PM PDT 0.8 kt8:02 PM PDT11:33 PM PDT −1.4 kt7:05 AM PDT6:52 PM PDT4:05 PM PDT12:45 AM PDT
Thu 024:45 AM PDT8:10 AM PDT 1.3 kt11:00 AM PDT1:16 PM PDT −0.9 kt4:29 PM PDT6:48 PM PDT 0.8 kt9:15 PM PDT7:06 AM PDT6:50 PM PDT4:38 PM PDT1:52 AM PDT
Fri 0312:32 AM PDT −1.5 kt5:17 AM PDT8:40 AM PDT 1.6 kt11:31 AM PDT1:58 PM PDT −1.1 kt5:22 PM PDT7:49 PM PDT 0.9 kt10:19 PM PDT7:07 AM PDT6:48 PM PDT5:08 PM PDT3:01 AM PDT
Sat 041:28 AM PDT −1.6 kt5:43 AM PDT9:06 AM PDT 1.8 kt12:01 PM PDT2:37 PM PDT −1.4 kt6:11 PM PDT8:48 PM PDT 1.1 kt11:17 PM PDT7:08 AM PDT6:47 PM PDT5:35 PM PDT4:11 AM PDT
Sun 052:24 AM PDT −1.7 kt6:08 AM PDT9:34 AM PDT 2.0 kt12:30 PM PDT3:13 PM PDT −1.8 kt6:58 PM PDT9:41 PM PDT 1.2 kt7:09 AM PDT6:45 PM PDT6:01 PM PDT5:22 AM PDT
Mon 0612:17 AM PDT3:15 AM PDT −1.8 kt6:36 AM PDT10:04 AM PDT 2.1 kt1:00 PM PDT3:47 PM PDT −2.1 kt7:42 PM PDT10:32 PM PDT 1.4 ktFull Moon7:10 AM PDT6:44 PM PDT6:28 PM PDT6:35 AM PDT
Tue 071:19 AM PDT4:03 AM PDT −1.7 kt7:09 AM PDT10:39 AM PDT 2.1 kt1:31 PM PDT4:21 PM PDT −2.5 kt8:22 PM PDT11:26 PM PDT 1.5 kt7:11 AM PDT6:42 PM PDT6:57 PM PDT7:50 AM PDT
Wed 082:22 AM PDT4:52 AM PDT −1.6 kt7:46 AM PDT11:17 AM PDT 2.1 kt2:03 PM PDT4:58 PM PDT −2.7 kt9:02 PM PDT7:12 AM PDT6:41 PM PDT7:31 PM PDT9:07 AM PDT
Thu 0912:26 AM PDT 1.6 kt3:23 AM PDT5:47 AM PDT −1.4 kt8:28 AM PDT12:00 PM PDT 1.9 kt2:37 PM PDT5:39 PM PDT −2.8 kt9:44 PM PDT7:12 AM PDT6:40 PM PDT8:12 PM PDT10:27 AM PDT
Fri 101:24 AM PDT 1.7 kt4:24 AM PDT6:45 AM PDT −1.3 kt9:15 AM PDT12:46 PM PDT 1.7 kt3:14 PM PDT6:23 PM PDT −2.7 kt10:35 PM PDT7:13 AM PDT6:38 PM PDT9:02 PM PDT11:45 AM PDT
Sat 112:20 AM PDT 1.7 kt5:28 AM PDT7:42 AM PDT −1.1 kt10:10 AM PDT1:34 PM PDT 1.5 kt3:57 PM PDT7:11 PM PDT −2.4 kt11:41 PM PDT7:14 AM PDT6:37 PM PDT10:02 PM PDT12:56 PM PDT
Sun 123:25 AM PDT 1.6 kt6:33 AM PDT8:42 AM PDT −1.0 kt11:17 AM PDT2:24 PM PDT 1.2 kt4:48 PM PDT8:02 PM PDT −2.1 kt7:15 AM PDT6:35 PM PDT11:09 PM PDT1:57 PM PDT
Mon 131:01 AM PDT4:48 AM PDT 1.5 kt7:38 AM PDT9:52 AM PDT −0.9 kt12:35 PM PDT3:22 PM PDT 1.0 kt5:51 PM PDT9:06 PM PDT −1.7 ktLast Quarter7:16 AM PDT6:34 PM PDT2:47 PM PDT
Tue 142:21 AM PDT5:57 AM PDT 1.5 kt8:43 AM PDT11:02 AM PDT −1.0 kt1:56 PM PDT4:31 PM PDT 0.9 kt7:08 PM PDT10:43 PM PDT −1.5 kt7:17 AM PDT6:32 PM PDT12:19 AM PDT3:26 PM PDT
Wed 153:31 AM PDT6:55 AM PDT 1.6 kt9:42 AM PDT12:00 PM PDT −1.2 kt3:20 PM PDT5:43 PM PDT 0.8 kt8:33 PM PDT7:18 AM PDT6:31 PM PDT1:28 AM PDT3:57 PM PDT
Thu 1612:03 AM PDT −1.5 kt4:25 AM PDT7:48 AM PDT 1.8 kt10:31 AM PDT12:53 PM PDT −1.4 kt4:33 PM PDT6:59 PM PDT 0.9 kt9:51 PM PDT7:19 AM PDT6:30 PM PDT2:35 AM PDT4:24 PM PDT
Fri 171:05 AM PDT −1.5 kt5:08 AM PDT8:32 AM PDT 1.9 kt11:12 AM PDT1:45 PM PDT −1.6 kt5:35 PM PDT8:29 PM PDT 0.9 kt10:54 PM PDT7:20 AM PDT6:28 PM PDT3:39 AM PDT4:47 PM PDT
Sat 182:03 AM PDT −1.5 kt5:42 AM PDT9:06 AM PDT 2.0 kt11:49 AM PDT2:33 PM PDT −1.8 kt6:31 PM PDT9:28 PM PDT 1.1 kt11:51 PM PDT7:21 AM PDT6:27 PM PDT4:40 AM PDT5:09 PM PDT
Sun 192:53 AM PDT −1.5 kt6:13 AM PDT9:31 AM PDT 2.0 kt12:21 PM PDT3:14 PM PDT −2.0 kt7:22 PM PDT10:15 PM PDT 1.1 kt7:22 AM PDT6:26 PM PDT5:40 AM PDT5:30 PM PDT
Mon 2012:48 AM PDT3:37 AM PDT −1.4 kt6:41 AM PDT9:53 AM PDT 2.0 kt12:50 PM PDT3:49 PM PDT −2.1 kt8:07 PM PDT11:00 PM PDT 1.2 kt7:23 AM PDT6:24 PM PDT6:39 AM PDT5:53 PM PDT
Tue 211:45 AM PDT4:19 AM PDT −1.2 kt7:10 AM PDT10:18 AM PDT 1.9 kt1:16 PM PDT4:19 PM PDT −2.3 kt8:46 PM PDT11:51 PM PDT 1.2 ktNew Moon7:24 AM PDT6:23 PM PDT7:39 AM PDT6:17 PM PDT
Wed 222:41 AM PDT5:03 AM PDT −1.1 kt7:40 AM PDT10:49 AM PDT 1.8 kt1:41 PM PDT4:47 PM PDT −2.3 kt9:21 PM PDT7:25 AM PDT6:22 PM PDT8:40 AM PDT6:44 PM PDT
Thu 2312:41 AM PDT 1.3 kt3:33 AM PDT5:50 AM PDT −0.9 kt8:14 AM PDT11:26 AM PDT 1.6 kt2:06 PM PDT5:14 PM PDT −2.3 kt9:55 PM PDT7:26 AM PDT6:20 PM PDT9:41 AM PDT7:17 PM PDT
Fri 241:23 AM PDT 1.3 kt4:25 AM PDT6:39 AM PDT −0.8 kt8:51 AM PDT12:08 PM PDT 1.4 kt2:34 PM PDT5:45 PM PDT −2.2 kt10:30 PM PDT7:27 AM PDT6:19 PM PDT10:42 AM PDT7:55 PM PDT
Sat 252:00 AM PDT 1.2 kt5:18 AM PDT7:26 AM PDT −0.7 kt9:31 AM PDT12:53 PM PDT 1.2 kt3:05 PM PDT6:20 PM PDT −2.1 kt11:12 PM PDT7:28 AM PDT6:18 PM PDT11:40 AM PDT8:41 PM PDT
Sun 262:40 AM PDT 1.2 kt6:12 AM PDT8:12 AM PDT −0.6 kt10:19 AM PDT1:38 PM PDT 1.1 kt3:42 PM PDT6:59 PM PDT −1.9 kt7:29 AM PDT6:17 PM PDT12:33 PM PDT9:34 PM PDT
Mon 2712:06 AM PDT3:34 AM PDT 1.1 kt7:07 AM PDT9:05 AM PDT −0.5 kt11:20 AM PDT2:25 PM PDT 0.9 kt4:24 PM PDT7:43 PM PDT −1.7 kt7:30 AM PDT6:16 PM PDT1:20 PM PDT10:33 PM PDT
Tue 281:05 AM PDT4:48 AM PDT 1.1 kt8:03 AM PDT10:13 AM PDT −0.5 kt12:32 PM PDT3:18 PM PDT 0.7 kt5:13 PM PDT8:34 PM PDT −1.5 kt7:31 AM PDT6:14 PM PDT2:01 PM PDT11:37 PM PDT
Wed 292:02 AM PDT5:41 AM PDT 1.2 kt8:56 AM PDT11:12 AM PDT −0.6 kt1:51 PM PDT4:20 PM PDT 0.6 kt6:12 PM PDT9:42 PM PDT −1.4 ktFirst Quarter7:32 AM PDT6:13 PM PDT2:36 PM PDT
Thu 302:51 AM PDT6:20 AM PDT 1.3 kt9:38 AM PDT11:58 AM PDT −0.8 kt3:18 PM PDT5:24 PM PDT 0.6 kt7:20 PM PDT11:02 PM PDT −1.4 kt7:33 AM PDT6:12 PM PDT3:06 PM PDT12:43 AM PDT
Fri 313:30 AM PDT6:56 AM PDT 1.6 kt10:11 AM PDT12:38 PM PDT −1.1 kt4:28 PM PDT6:27 PM PDT 0.6 kt8:42 PM PDT7:34 AM PDT6:11 PM PDT3:33 PM PDT1:50 AM PDT

Alcatraz Island, 0.5 mi north of (depth 6 ft), San Francisco Bay, California Current
37.8351° N, 122.4201° W
Flood direction 74° true
Ebb direction 293° true

November 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Sat 0112:04 AM PDT −1.4 kt4:02 AM PDT7:32 AM PDT 1.8 kt10:41 AM PDT1:16 PM PDT −1.4 kt5:22 PM PDT7:34 PM PDT 0.8 kt10:04 PM PDT7:35 AM PDT6:10 PM PDT3:59 PM PDT2:58 AM PDT
Sun 021:01 AM PDT −1.5 kt3:32 AM PST7:09 AM PST 1.9 kt10:10 AM PST12:55 PM PST −1.8 kt5:09 PM PST7:43 PM PST 1.0 kt10:14 PM PST6:36 AM PST5:09 PM PST3:25 PM PST3:08 AM PST
Mon 031:01 AM PST −1.4 kt4:06 AM PST7:46 AM PST 2.1 kt10:39 AM PST1:34 PM PST −2.2 kt5:52 PM PST8:40 PM PST 1.3 kt11:22 PM PST6:37 AM PST5:08 PM PST3:52 PM PST4:21 AM PST
Tue 041:59 AM PST −1.4 kt4:44 AM PST8:23 AM PST 2.1 kt11:10 AM PST2:12 PM PST −2.6 kt6:33 PM PST9:33 PM PST 1.6 kt6:38 AM PST5:07 PM PST4:24 PM PST5:37 AM PST
Wed 0512:28 AM PST2:52 AM PST −1.4 kt5:28 AM PST9:02 AM PST 2.0 kt11:44 AM PST2:50 PM PST −2.8 kt7:13 PM PST10:28 PM PST 1.8 ktFull Moon6:39 AM PST5:06 PM PST5:02 PM PST6:57 AM PST
Thu 061:30 AM PST3:44 AM PST −1.3 kt6:17 AM PST9:43 AM PST 1.9 kt12:22 PM PST3:30 PM PST −2.9 kt7:53 PM PST11:29 PM PST 1.9 kt6:40 AM PST5:05 PM PST5:49 PM PST8:18 AM PST
Fri 072:27 AM PST4:39 AM PST −1.2 kt7:09 AM PST10:30 AM PST 1.7 kt1:04 PM PST4:13 PM PST −2.8 kt8:39 PM PST6:41 AM PST5:04 PM PST6:47 PM PST9:36 AM PST
Sat 0812:25 AM PST 1.9 kt3:23 AM PST5:35 AM PST −1.2 kt8:02 AM PST11:21 AM PST 1.5 kt1:48 PM PST5:02 PM PST −2.6 kt9:35 PM PST6:43 AM PST5:03 PM PST7:54 PM PST10:44 AM PST
Sun 091:18 AM PST 1.8 kt4:20 AM PST6:30 AM PST −1.1 kt9:00 AM PST12:14 PM PST 1.3 kt2:36 PM PST5:54 PM PST −2.3 kt10:43 PM PST6:44 AM PST5:02 PM PST9:06 PM PST11:40 AM PST
Mon 102:16 AM PST 1.7 kt5:17 AM PST7:26 AM PST −1.1 kt10:09 AM PST1:06 PM PST 1.1 kt3:30 PM PST6:50 PM PST −1.9 kt11:50 PM PST6:45 AM PST5:01 PM PST10:18 PM PST12:24 PM PST
Tue 113:23 AM PST 1.7 kt6:16 AM PST8:29 AM PST −1.0 kt11:29 AM PST2:01 PM PST 0.9 kt4:33 PM PST7:55 PM PST −1.6 ktLast Quarter6:46 AM PST5:00 PM PST11:27 PM PST12:59 PM PST
Wed 1212:51 AM PST4:24 AM PST 1.7 kt7:14 AM PST9:38 AM PST −1.1 kt12:53 PM PST3:09 PM PST 0.7 kt5:45 PM PST9:30 PM PST −1.4 kt6:47 AM PST5:00 PM PST1:28 PM PST
Thu 131:45 AM PST5:14 AM PST 1.7 kt8:08 AM PST10:37 AM PST −1.3 kt2:22 PM PST4:29 PM PST 0.6 kt7:08 PM PST10:43 PM PST −1.3 kt6:48 AM PST4:59 PM PST12:32 AM PST1:52 PM PST
Fri 142:31 AM PST5:58 AM PST 1.8 kt8:54 AM PST11:28 AM PST −1.5 kt3:38 PM PST6:09 PM PST 0.6 kt8:32 PM PST11:38 PM PST −1.3 kt6:49 AM PST4:58 PM PST1:34 AM PST2:14 PM PST
Sat 153:08 AM PST6:34 AM PST 1.9 kt9:31 AM PST12:15 PM PST −1.7 kt4:40 PM PST7:39 PM PST 0.8 kt9:44 PM PST6:50 AM PST4:57 PM PST2:34 AM PST2:36 PM PST
Sun 1612:31 AM PST −1.2 kt3:41 AM PST7:04 AM PST 1.9 kt10:02 AM PST12:58 PM PST −1.9 kt5:31 PM PST8:33 PM PST 1.0 kt10:48 PM PST6:51 AM PST4:57 PM PST3:33 AM PST2:57 PM PST
Mon 171:25 AM PST −1.1 kt4:11 AM PST7:32 AM PST 1.9 kt10:30 AM PST1:38 PM PST −2.1 kt6:14 PM PST9:18 PM PST 1.2 kt11:51 PM PST6:52 AM PST4:56 PM PST4:33 AM PST3:21 PM PST
Tue 182:14 AM PST −1.0 kt4:44 AM PST8:02 AM PST 1.8 kt10:56 AM PST2:11 PM PST −2.2 kt6:52 PM PST10:01 PM PST 1.3 kt6:53 AM PST4:55 PM PST5:33 AM PST3:47 PM PST
Wed 1912:49 AM PST3:00 AM PST −0.9 kt5:20 AM PST8:36 AM PST 1.7 kt11:22 AM PST2:40 PM PST −2.3 kt7:27 PM PST10:47 PM PST 1.4 ktNew Moon6:54 AM PST4:55 PM PST6:34 AM PST4:18 PM PST
Thu 201:42 AM PST3:44 AM PST −0.8 kt6:01 AM PST9:12 AM PST 1.6 kt11:51 AM PST3:08 PM PST −2.3 kt8:01 PM PST11:32 PM PST 1.4 kt6:55 AM PST4:54 PM PST7:34 AM PST4:55 PM PST
Fri 212:29 AM PST4:30 AM PST −0.7 kt6:44 AM PST9:52 AM PST 1.5 kt12:23 PM PST3:38 PM PST −2.3 kt8:35 PM PST6:56 AM PST4:54 PM PST8:33 AM PST5:38 PM PST
Sat 2212:12 AM PST 1.4 kt3:13 AM PST5:17 AM PST −0.7 kt7:26 AM PST10:37 AM PST 1.3 kt12:58 PM PST4:12 PM PST −2.2 kt9:11 PM PST6:57 AM PST4:53 PM PST9:28 AM PST6:29 PM PST
Sun 2312:46 AM PST 1.4 kt3:57 AM PST6:02 AM PST −0.7 kt8:07 AM PST11:25 AM PST 1.2 kt1:36 PM PST4:52 PM PST −2.1 kt9:51 PM PST6:58 AM PST4:53 PM PST10:17 AM PST7:26 PM PST
Mon 241:20 AM PST 1.4 kt4:43 AM PST6:43 AM PST −0.6 kt8:52 AM PST12:13 PM PST 1.0 kt2:15 PM PST5:36 PM PST −2.0 kt10:35 PM PST7:00 AM PST4:52 PM PST11:00 AM PST8:28 PM PST
Tue 251:58 AM PST 1.3 kt5:29 AM PST7:26 AM PST −0.6 kt9:47 AM PST1:00 PM PST 0.9 kt2:56 PM PST6:22 PM PST −1.9 kt11:16 PM PST7:01 AM PST4:52 PM PST11:35 AM PST9:32 PM PST
Wed 262:44 AM PST 1.4 kt6:15 AM PST8:19 AM PST −0.6 kt11:03 AM PST1:50 PM PST 0.7 kt3:41 PM PST7:12 PM PST −1.7 kt11:53 PM PST7:02 AM PST4:52 PM PST12:06 PM PST10:37 PM PST
Thu 273:33 AM PST 1.5 kt6:58 AM PST9:20 AM PST −0.7 kt12:31 PM PST2:50 PM PST 0.5 kt4:36 PM PST8:12 PM PST −1.5 ktFirst Quarter7:03 AM PST4:51 PM PST12:34 PM PST11:43 PM PST
Fri 2812:28 AM PST4:16 AM PST 1.6 kt7:37 AM PST10:12 AM PST −1.0 kt2:06 PM PST4:00 PM PST 0.5 kt5:47 PM PST9:29 PM PST −1.4 kt7:04 AM PST4:51 PM PST12:59 PM PST
Sat 291:05 AM PST4:56 AM PST 1.8 kt8:13 AM PST10:54 AM PST −1.4 kt3:18 PM PST5:10 PM PST 0.6 kt7:26 PM PST10:39 PM PST −1.3 kt7:05 AM PST4:51 PM PST1:24 PM PST12:49 AM PST
Sun 301:47 AM PST5:36 AM PST 1.9 kt8:46 AM PST11:32 AM PST −1.8 kt4:10 PM PST6:28 PM PST 0.8 kt9:02 PM PST11:40 PM PST −1.2 kt7:06 AM PST4:50 PM PST1:49 PM PST1:58 AM PST

Alcatraz Island, 0.5 mi north of (depth 6 ft), San Francisco Bay, California Current
37.8351° N, 122.4201° W
Flood direction 74° true
Ebb direction 293° true

December 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Mon 012:32 AM PST6:18 AM PST 1.9 kt9:18 AM PST12:12 PM PST −2.1 kt4:54 PM PST7:48 PM PST 1.1 kt10:19 PM PST7:07 AM PST4:50 PM PST2:18 PM PST3:10 AM PST
Tue 0212:43 AM PST −1.1 kt3:20 AM PST7:03 AM PST 1.9 kt9:52 AM PST12:55 PM PST −2.5 kt5:37 PM PST8:44 PM PST 1.5 kt11:28 PM PST7:07 AM PST4:50 PM PST2:52 PM PST4:26 AM PST
Wed 031:46 AM PST −1.1 kt4:10 AM PST7:48 AM PST 1.9 kt10:29 AM PST1:40 PM PST −2.7 kt6:20 PM PST9:35 PM PST 1.8 kt7:08 AM PST4:50 PM PST3:34 PM PST5:45 AM PST
Thu 0412:31 AM PST2:41 AM PST −1.2 kt5:04 AM PST8:34 AM PST 1.8 kt11:10 AM PST2:25 PM PST −2.8 kt7:05 PM PST10:29 PM PST 1.9 ktFull Moon7:09 AM PST4:50 PM PST4:26 PM PST7:05 AM PST
Fri 051:27 AM PST3:33 AM PST −1.2 kt6:01 AM PST9:20 AM PST 1.7 kt11:56 AM PST3:10 PM PST −2.8 kt7:52 PM PST11:26 PM PST 2.0 kt7:10 AM PST4:50 PM PST5:30 PM PST8:20 AM PST
Sat 062:19 AM PST4:26 AM PST −1.2 kt6:58 AM PST10:09 AM PST 1.6 kt12:46 PM PST3:59 PM PST −2.6 kt8:43 PM PST7:11 AM PST4:50 PM PST6:43 PM PST9:24 AM PST
Sun 0712:19 AM PST 2.0 kt3:09 AM PST5:20 AM PST −1.2 kt7:52 AM PST11:02 AM PST 1.5 kt1:37 PM PST4:52 PM PST −2.4 kt9:38 PM PST7:12 AM PST4:50 PM PST7:58 PM PST10:16 AM PST
Mon 081:07 AM PST 2.0 kt4:01 AM PST6:13 AM PST −1.2 kt8:49 AM PST11:57 AM PST 1.3 kt2:27 PM PST5:48 PM PST −2.2 kt10:34 PM PST7:13 AM PST4:50 PM PST9:11 PM PST10:56 AM PST
Tue 091:54 AM PST 1.9 kt4:53 AM PST7:05 AM PST −1.2 kt9:58 AM PST12:49 PM PST 1.1 kt3:18 PM PST6:44 PM PST −1.9 kt11:24 PM PST7:13 AM PST4:50 PM PST10:20 PM PST11:28 AM PST
Wed 102:44 AM PST 1.8 kt5:46 AM PST8:01 AM PST −1.1 kt11:20 AM PST1:41 PM PST 0.8 kt4:13 PM PST7:43 PM PST −1.6 kt7:14 AM PST4:50 PM PST11:25 PM PST11:54 AM PST
Thu 1112:07 AM PST3:35 AM PST 1.8 kt6:36 AM PST9:05 AM PST −1.2 kt12:47 PM PST2:45 PM PST 0.6 kt5:19 PM PST9:00 PM PST −1.3 ktLast Quarter7:15 AM PST4:50 PM PST12:18 PM PST
Fri 1212:46 AM PST4:17 AM PST 1.8 kt7:22 AM PST10:05 AM PST −1.3 kt2:20 PM PST4:20 PM PST 0.4 kt6:42 PM PST10:13 PM PST −1.1 kt7:16 AM PST4:50 PM PST12:27 AM PST12:40 PM PST
Sat 131:22 AM PST4:51 AM PST 1.8 kt8:03 AM PST10:54 AM PST −1.6 kt3:37 PM PST6:21 PM PST 0.5 kt8:19 PM PST11:09 PM PST −1.0 kt7:16 AM PST4:51 PM PST1:27 AM PST1:02 PM PST
Sun 141:59 AM PST5:22 AM PST 1.7 kt8:38 AM PST11:36 AM PST −1.8 kt4:33 PM PST7:35 PM PST 0.8 kt9:42 PM PST7:17 AM PST4:51 PM PST2:26 AM PST1:25 PM PST
Mon 1512:02 AM PST −0.8 kt2:38 AM PST5:57 AM PST 1.7 kt9:09 AM PST12:15 PM PST −1.9 kt5:16 PM PST8:26 PM PST 1.0 kt10:50 PM PST7:18 AM PST4:51 PM PST3:26 AM PST1:50 PM PST
Tue 1612:59 AM PST −0.7 kt3:19 AM PST6:36 AM PST 1.6 kt9:38 AM PST12:53 PM PST −2.0 kt5:55 PM PST9:08 PM PST 1.3 kt11:50 PM PST7:18 AM PST4:52 PM PST4:26 AM PST2:19 PM PST
Wed 171:54 AM PST −0.7 kt4:03 AM PST7:18 AM PST 1.5 kt10:07 AM PST1:30 PM PST −2.1 kt6:32 PM PST9:48 PM PST 1.4 kt7:19 AM PST4:52 PM PST5:27 AM PST2:54 PM PST
Thu 1812:43 AM PST2:41 AM PST −0.7 kt4:48 AM PST8:02 AM PST 1.5 kt10:39 AM PST2:04 PM PST −2.2 kt7:08 PM PST10:28 PM PST 1.5 kt7:20 AM PST4:52 PM PST6:27 AM PST3:36 PM PST
Fri 191:28 AM PST3:24 AM PST −0.7 kt5:35 AM PST8:44 AM PST 1.4 kt11:15 AM PST2:38 PM PST −2.2 kt7:44 PM PST11:10 PM PST 1.5 ktNew Moon7:20 AM PST4:53 PM PST7:23 AM PST4:25 PM PST
Sat 202:08 AM PST4:06 AM PST −0.7 kt6:21 AM PST9:27 AM PST 1.4 kt11:55 AM PST3:13 PM PST −2.2 kt8:20 PM PST11:48 PM PST 1.5 kt7:21 AM PST4:53 PM PST8:15 AM PST5:21 PM PST
Sun 212:46 AM PST4:48 AM PST −0.7 kt7:04 AM PST10:12 AM PST 1.3 kt12:36 PM PST3:51 PM PST −2.2 kt8:54 PM PST7:21 AM PST4:54 PM PST8:59 AM PST6:22 PM PST
Mon 2212:20 AM PST 1.5 kt3:23 AM PST5:30 AM PST −0.7 kt7:45 AM PST11:00 AM PST 1.2 kt1:16 PM PST4:33 PM PST −2.2 kt9:26 PM PST7:22 AM PST4:54 PM PST9:37 AM PST7:26 PM PST
Tue 2312:49 AM PST 1.6 kt4:02 AM PST6:09 AM PST −0.8 kt8:28 AM PST11:50 AM PST 1.1 kt1:55 PM PST5:18 PM PST −2.1 kt9:54 PM PST7:22 AM PST4:55 PM PST10:09 AM PST8:31 PM PST
Wed 241:20 AM PST 1.7 kt4:41 AM PST6:47 AM PST −0.8 kt9:22 AM PST12:38 PM PST 0.9 kt2:35 PM PST6:05 PM PST −2.0 kt10:22 PM PST7:23 AM PST4:55 PM PST10:37 AM PST9:35 PM PST
Thu 251:56 AM PST 1.7 kt5:19 AM PST7:28 AM PST −0.9 kt10:37 AM PST1:27 PM PST 0.7 kt3:20 PM PST6:53 PM PST −1.8 kt10:52 PM PST7:23 AM PST4:56 PM PST11:02 AM PST10:40 PM PST
Fri 262:36 AM PST 1.8 kt5:56 AM PST8:16 AM PST −1.1 kt12:06 PM PST2:26 PM PST 0.5 kt4:18 PM PST7:48 PM PST −1.5 kt11:28 PM PST7:23 AM PST4:57 PM PST11:26 AM PST11:46 PM PST
Sat 273:20 AM PST 1.8 kt6:32 AM PST9:11 AM PST −1.3 kt1:36 PM PST3:41 PM PST 0.5 kt5:44 PM PST9:03 PM PST −1.2 ktFirst Quarter7:24 AM PST4:57 PM PST11:50 AM PST
Sun 2812:09 AM PST4:05 AM PST 1.9 kt7:09 AM PST10:03 AM PST −1.7 kt2:49 PM PST5:01 PM PST 0.6 kt7:33 PM PST10:21 PM PST −1.1 kt7:24 AM PST4:58 PM PST12:16 PM PST12:53 AM PST
Mon 2912:57 AM PST4:50 AM PST 1.8 kt7:48 AM PST10:48 AM PST −2.0 kt3:44 PM PST6:31 PM PST 0.9 kt9:09 PM PST11:26 PM PST −1.0 kt7:24 AM PST4:59 PM PST12:46 PM PST2:04 AM PST
Tue 301:53 AM PST5:36 AM PST 1.8 kt8:30 AM PST11:33 AM PST −2.3 kt4:32 PM PST7:48 PM PST 1.3 kt10:22 PM PST7:24 AM PST5:00 PM PST1:23 PM PST3:19 AM PST
Wed 3112:30 AM PST −1.0 kt2:55 AM PST6:27 AM PST 1.7 kt9:14 AM PST12:21 PM PST −2.4 kt5:22 PM PST8:43 PM PST 1.7 kt11:24 PM PST7:25 AM PST5:00 PM PST2:09 PM PST4:37 AM PST

NOT FOR NAVIGATION

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  The author and the publisher each assume no liability for damages arising from use of these predictions.  They are not certified to be correct, and they do not incorporate the effects of tropical storms, El Niño, seismic events, subsidence, uplift, or changes in global sea level.

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