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

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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