Boston Channel Light No. 5 (depth 33 ft), Massachusetts Current
42.3358° N, 71.0003° W
Flood direction 297° true
Ebb direction 119° true

September 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Mon 011:22 AM EDT 0.2 kt
2:59 AM EDT 0.2 kt
5:01 AM EDT 0.2 kt
7:36 AM EDT 0.1 kt
9:01 AM EDT 0.1 kt
10:15 AM EDT11:08 AM EDT −0.1 kt11:58 AM EDT1:48 PM EDT 0.2 kt
3:29 PM EDT 0.2 kt
5:23 PM EDT 0.2 kt
7:55 PM EDT 0.0 kt
9:31 PM EDT 0.1 kt
10:52 PM EDT11:34 PM EDT −0.0 kt6:09 AM EDT7:17 PM EDT3:44 PM EDT
Tue 0212:14 AM EDT2:18 AM EDT 0.2 kt
3:45 AM EDT 0.2 kt
5:45 AM EDT 0.2 kt
8:27 AM EDT 0.0 kt
9:53 AM EDT 0.1 kt
11:09 AM EDT11:59 AM EDT −0.1 kt12:46 PM EDT2:43 PM EDT 0.2 kt
4:23 PM EDT 0.2 kt
6:09 PM EDT 0.2 kt
8:46 PM EDT 0.0 kt
10:23 PM EDT 0.1 kt
11:40 PM EDT6:10 AM EDT7:15 PM EDT4:35 PM EDT12:03 AM EDT
Wed 0312:27 AM EDT −0.1 kt1:11 AM EDT3:19 AM EDT 0.2 kt
4:35 AM EDT 0.2 kt
6:36 AM EDT 0.3 kt
9:19 AM EDT 0.1 kt
10:45 AM EDT 0.1 kt
12:04 PM EDT12:53 PM EDT −0.1 kt1:40 PM EDT3:39 PM EDT 0.2 kt
5:18 PM EDT 0.2 kt
7:03 PM EDT 0.2 kt
9:39 PM EDT 0.0 kt
11:12 PM EDT 0.1 kt
6:11 AM EDT7:13 PM EDT5:18 PM EDT1:04 AM EDT
Thu 0412:22 AM EDT1:21 AM EDT −0.1 kt2:16 AM EDT4:18 AM EDT 0.2 kt
5:21 AM EDT 0.2 kt
7:32 AM EDT 0.3 kt
10:10 AM EDT 0.1 kt
11:33 AM EDT 0.1 kt
12:52 PM EDT1:46 PM EDT −0.1 kt2:38 PM EDT4:33 PM EDT 0.2 kt
6:00 PM EDT 0.2 kt
7:57 PM EDT 0.2 kt
10:34 PM EDT 0.0 kt
11:54 PM EDT 0.1 kt
6:12 AM EDT7:12 PM EDT5:52 PM EDT2:12 AM EDT
Fri 0512:58 AM EDT2:11 AM EDT −0.1 kt3:21 AM EDT5:22 AM EDT 0.2 kt
5:49 AM EDT 0.2 kt
8:26 AM EDT 0.3 kt
11:05 AM EDT 0.1 kt
12:13 PM EDT 0.1 kt
1:33 PM EDT2:35 PM EDT −0.1 kt3:36 PM EDT5:30 PM EDT 0.2 kt
6:32 PM EDT 0.2 kt
8:47 PM EDT 0.3 kt
11:36 PM EDT 0.1 kt
6:13 AM EDT7:10 PM EDT6:21 PM EDT3:25 AM EDT
Sat 0612:29 AM EDT 0.1 kt1:29 AM EDT3:00 AM EDT −0.2 kt4:22 AM EDT9:16 AM EDT 0.3 kt
12:12 PM EDT 0.1 kt
12:47 PM EDT 0.1 kt
2:07 PM EDT3:23 PM EDT −0.1 kt4:33 PM EDT9:35 PM EDT 0.3 kt6:14 AM EDT7:08 PM EDT6:47 PM EDT4:39 AM EDT
Sun 071:56 AM EDT3:47 AM EDT −0.2 kt5:20 AM EDT10:03 AM EDT 0.4 kt2:37 PM EDT4:10 PM EDT −0.2 kt5:29 PM EDT10:22 PM EDT 0.4 ktFull Moon6:15 AM EDT7:07 PM EDT7:09 PM EDT5:54 AM EDT
Mon 082:07 AM EDT4:35 AM EDT −0.2 kt6:11 AM EDT10:47 AM EDT 0.4 kt2:52 PM EDT4:58 PM EDT −0.2 kt6:22 PM EDT11:08 PM EDT 0.4 kt6:16 AM EDT7:05 PM EDT7:31 PM EDT7:10 AM EDT
Tue 092:10 AM EDT5:23 AM EDT −0.2 kt6:55 AM EDT11:29 AM EDT 0.4 kt2:20 PM EDT5:47 PM EDT −0.2 kt7:13 PM EDT11:52 PM EDT 0.4 kt6:17 AM EDT7:03 PM EDT7:54 PM EDT8:26 AM EDT
Wed 102:47 AM EDT3:29 AM EDT −0.0 kt
3:47 AM EDT −0.0 kt
6:12 AM EDT −0.2 kt
7:36 AM EDT12:10 PM EDT 0.4 kt2:52 PM EDT3:45 PM EDT −0.1 kt
4:21 PM EDT −0.0 kt
6:36 PM EDT −0.2 kt
8:03 PM EDT6:18 AM EDT7:02 PM EDT8:20 PM EDT9:44 AM EDT
Thu 1112:37 AM EDT 0.4 kt3:46 AM EDT4:04 AM EDT −0.0 kt4:31 AM EDT4:47 AM EDT 0.0 kt5:01 AM EDT7:02 AM EDT −0.2 kt8:18 AM EDT12:52 PM EDT 0.4 kt3:39 PM EDT4:31 PM EDT −0.0 kt
5:11 PM EDT −0.0 kt
7:27 PM EDT −0.2 kt
8:56 PM EDT6:20 AM EDT7:00 PM EDT8:50 PM EDT11:04 AM EDT
Fri 121:28 AM EDT 0.4 kt
4:51 AM EDT 0.0 kt
5:39 AM EDT 0.0 kt
6:21 AM EDT7:53 AM EDT −0.1 kt9:03 AM EDT1:43 PM EDT 0.4 kt4:40 PM EDT5:25 PM EDT −0.0 kt
5:57 PM EDT −0.0 kt
8:20 PM EDT −0.2 kt
9:51 PM EDT6:21 AM EDT6:58 PM EDT9:28 PM EDT12:25 PM EDT
Sat 132:28 AM EDT 0.4 kt
5:42 AM EDT 0.0 kt
6:29 AM EDT 0.0 kt
7:23 AM EDT8:46 AM EDT −0.1 kt9:54 AM EDT2:47 PM EDT 0.4 kt5:55 PM EDT6:20 PM EDT −0.0 kt
6:42 PM EDT −0.0 kt
9:14 PM EDT −0.2 kt
10:45 PM EDT6:22 AM EDT6:56 PM EDT10:16 PM EDT1:42 PM EDT
Sun 143:28 AM EDT 0.4 kt
6:35 AM EDT 0.0 kt
7:18 AM EDT 0.1 kt
8:15 AM EDT9:38 AM EDT −0.1 kt10:48 AM EDT3:49 PM EDT 0.4 kt
7:16 PM EDT 0.0 kt
7:26 PM EDT 0.0 kt
8:07 PM EDT10:06 PM EDT −0.2 kt11:36 PM EDTLast Quarter6:23 AM EDT6:55 PM EDT11:15 PM EDT2:51 PM EDT
Mon 154:21 AM EDT 0.4 kt
7:26 AM EDT 0.0 kt
8:05 AM EDT 0.1 kt
9:02 AM EDT10:28 AM EDT −0.1 kt11:40 AM EDT4:42 PM EDT 0.4 kt9:10 PM EDT10:56 PM EDT −0.2 kt6:24 AM EDT6:53 PM EDT3:47 PM EDT
Tue 1612:25 AM EDT5:10 AM EDT 0.4 kt
8:17 AM EDT 0.0 kt
8:52 AM EDT 0.1 kt
9:51 AM EDT11:19 AM EDT −0.1 kt12:34 PM EDT5:34 PM EDT 0.4 kt10:12 PM EDT11:48 PM EDT −0.2 kt6:25 AM EDT6:51 PM EDT12:23 AM EDT4:32 PM EDT
Wed 171:16 AM EDT6:01 AM EDT 0.3 kt
9:07 AM EDT 0.1 kt
9:44 AM EDT 0.1 kt
10:48 AM EDT12:13 PM EDT −0.1 kt1:29 PM EDT6:31 PM EDT 0.4 kt
9:43 PM EDT 0.1 kt
9:55 PM EDT 0.1 kt
11:15 PM EDT6:26 AM EDT6:49 PM EDT1:36 AM EDT5:06 PM EDT
Thu 1812:44 AM EDT −0.2 kt2:10 AM EDT6:58 AM EDT 0.3 kt
9:53 AM EDT 0.1 kt
10:37 AM EDT 0.1 kt
11:50 AM EDT1:09 PM EDT −0.1 kt2:26 PM EDT7:30 PM EDT 0.3 kt
10:25 PM EDT 0.1 kt
10:51 PM EDT 0.1 kt
6:27 AM EDT6:47 PM EDT2:49 AM EDT5:33 PM EDT
Fri 1912:13 AM EDT1:38 AM EDT −0.2 kt3:05 AM EDT7:56 AM EDT 0.3 kt
10:41 AM EDT 0.1 kt
11:24 AM EDT 0.1 kt
12:46 PM EDT2:03 PM EDT −0.2 kt3:24 PM EDT8:27 PM EDT 0.3 kt
11:19 PM EDT 0.1 kt
11:29 PM EDT 0.1 kt
6:28 AM EDT6:46 PM EDT3:59 AM EDT5:56 PM EDT
Sat 201:03 AM EDT2:29 AM EDT −0.2 kt4:01 AM EDT8:52 AM EDT 0.4 kt
11:40 AM EDT 0.2 kt
11:58 AM EDT 0.2 kt
1:37 PM EDT2:54 PM EDT −0.2 kt4:20 PM EDT9:20 PM EDT 0.4 kt6:29 AM EDT6:44 PM EDT5:07 AM EDT6:16 PM EDT
Sun 211:47 AM EDT3:17 AM EDT −0.2 kt4:54 AM EDT9:44 AM EDT 0.4 kt2:23 PM EDT3:44 PM EDT −0.2 kt5:13 PM EDT10:11 PM EDT 0.4 ktNew Moon6:30 AM EDT6:42 PM EDT6:13 AM EDT6:35 PM EDT
Mon 222:29 AM EDT4:05 AM EDT −0.2 kt5:43 AM EDT10:33 AM EDT 0.4 kt3:09 PM EDT4:32 PM EDT −0.2 kt6:01 PM EDT10:58 PM EDT 0.4 kt6:31 AM EDT6:40 PM EDT7:16 AM EDT6:53 PM EDT
Tue 233:13 AM EDT4:53 AM EDT −0.2 kt6:24 AM EDT11:18 AM EDT 0.4 kt3:59 PM EDT5:21 PM EDT −0.2 kt6:42 PM EDT11:42 PM EDT 0.3 kt6:32 AM EDT6:39 PM EDT8:20 AM EDT7:12 PM EDT
Wed 244:05 AM EDT5:41 AM EDT −0.2 kt7:02 AM EDT11:59 AM EDT 0.4 kt
2:56 PM EDT 0.1 kt
3:44 PM EDT 0.1 kt
4:55 PM EDT6:09 PM EDT −0.1 kt7:19 PM EDT9:13 PM EDT 0.2 kt
9:42 PM EDT 0.2 kt
6:33 AM EDT6:37 PM EDT9:24 AM EDT7:33 PM EDT
Thu 2512:23 AM EDT 0.3 kt
3:14 AM EDT 0.0 kt
4:14 AM EDT 0.1 kt
5:06 AM EDT6:29 AM EDT −0.1 kt7:39 AM EDT9:49 AM EDT 0.2 kt
10:05 AM EDT 0.2 kt
12:40 PM EDT 0.3 kt
3:30 PM EDT 0.1 kt
4:45 PM EDT 0.1 kt
5:55 PM EDT6:57 PM EDT −0.1 kt7:55 PM EDT9:49 PM EDT 0.2 kt
10:50 PM EDT 0.2 kt
6:34 AM EDT6:35 PM EDT10:28 AM EDT7:59 PM EDT
Fri 261:04 AM EDT 0.3 kt
3:53 AM EDT 0.0 kt
5:11 AM EDT 0.1 kt
6:10 AM EDT7:18 AM EDT −0.1 kt8:18 AM EDT10:19 AM EDT 0.2 kt
11:25 AM EDT 0.2 kt
1:23 PM EDT 0.3 kt
4:10 PM EDT 0.0 kt
5:40 PM EDT 0.1 kt
6:57 PM EDT7:47 PM EDT −0.1 kt8:34 PM EDT10:35 PM EDT 0.2 kt
11:59 PM EDT 0.2 kt
6:36 AM EDT6:33 PM EDT11:32 AM EDT8:29 PM EDT
Sat 271:52 AM EDT 0.2 kt
4:38 AM EDT 0.0 kt
6:04 AM EDT 0.1 kt
7:12 AM EDT8:09 AM EDT −0.1 kt9:02 AM EDT11:02 AM EDT 0.2 kt
12:41 PM EDT 0.2 kt
2:17 PM EDT 0.2 kt
4:57 PM EDT 0.0 kt
6:33 PM EDT 0.1 kt
7:56 PM EDT8:38 PM EDT −0.0 kt9:18 PM EDT11:24 PM EDT 0.2 kt6:37 AM EDT6:31 PM EDT12:35 PM EDT9:07 PM EDT
Sun 281:05 AM EDT 0.2 kt
2:49 AM EDT 0.2 kt
5:29 AM EDT 0.0 kt
6:56 AM EDT 0.1 kt
8:08 AM EDT9:02 AM EDT −0.1 kt9:51 AM EDT11:48 AM EDT 0.2 kt
1:40 PM EDT 0.2 kt
3:17 PM EDT 0.2 kt
5:48 PM EDT 0.0 kt
7:25 PM EDT 0.1 kt
8:46 PM EDT9:29 PM EDT −0.0 kt10:09 PM EDT6:38 AM EDT6:30 PM EDT1:34 PM EDT9:53 PM EDT
Mon 2912:13 AM EDT 0.2 kt
1:56 AM EDT 0.2 kt
3:43 AM EDT 0.2 kt
6:21 AM EDT 0.0 kt
7:46 AM EDT 0.1 kt
8:57 AM EDT9:52 AM EDT −0.1 kt10:42 AM EDT12:35 PM EDT 0.2 kt
2:26 PM EDT 0.2 kt
4:08 PM EDT 0.2 kt
6:40 PM EDT 0.0 kt
8:14 PM EDT 0.1 kt
9:28 PM EDT10:17 PM EDT −0.1 kt11:02 PM EDTFirst Quarter6:39 AM EDT6:28 PM EDT2:27 PM EDT10:49 PM EDT
Tue 301:03 AM EDT 0.2 kt
2:37 AM EDT 0.2 kt
4:30 AM EDT 0.3 kt
7:12 AM EDT 0.0 kt
8:36 AM EDT 0.1 kt
9:45 AM EDT10:40 AM EDT −0.1 kt11:30 AM EDT1:24 PM EDT 0.2 kt
3:08 PM EDT 0.2 kt
4:51 PM EDT 0.2 kt
7:32 PM EDT 0.0 kt
9:03 PM EDT 0.1 kt
10:08 PM EDT11:05 PM EDT −0.1 kt11:56 PM EDT6:40 AM EDT6:26 PM EDT3:12 PM EDT11:53 PM EDT

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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