South Boston, Pier 4, 0.2 nmi NNE of (depth 25 ft), Massachusetts Current
42.3522° N, 71.0308° W
Flood direction 30° true
Ebb direction 120° true

May 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Thu 013:24 AM EDT6:24 AM EDT −0.1 kt8:36 AM EDT11:44 AM EDT 0.4 kt4:05 PM EDT6:27 PM EDT −0.1 kt8:38 PM EDT11:46 PM EDT 0.5 kt5:38 AM EDT7:44 PM EDT8:21 AM EDT
Fri 024:17 AM EDT7:28 AM EDT −0.1 kt9:30 AM EDT12:36 PM EDT 0.4 kt5:02 PM EDT7:37 PM EDT −0.1 kt9:32 PM EDT5:37 AM EDT7:45 PM EDT9:30 AM EDT12:53 AM EDT
Sat 0312:36 AM EDT 0.4 kt5:14 AM EDT8:29 AM EDT −0.1 kt10:25 AM EDT1:48 PM EDT 0.3 kt6:01 PM EDT8:41 PM EDT −0.1 kt10:30 PM EDT5:36 AM EDT7:46 PM EDT10:43 AM EDT1:38 AM EDT
Sun 041:43 AM EDT 0.3 kt6:13 AM EDT9:25 AM EDT −0.1 kt11:25 AM EDT3:06 PM EDT 0.3 kt7:05 PM EDT9:40 PM EDT −0.1 kt11:35 PM EDTFirst Quarter5:35 AM EDT7:47 PM EDT11:54 AM EDT2:11 AM EDT
Mon 053:11 AM EDT 0.3 kt7:18 AM EDT10:26 AM EDT −0.1 kt12:27 PM EDT4:08 PM EDT 0.3 kt8:11 PM EDT10:49 PM EDT −0.1 kt5:33 AM EDT7:48 PM EDT1:02 PM EDT2:38 AM EDT
Tue 0612:43 AM EDT4:24 AM EDT 0.3 kt8:28 AM EDT11:32 AM EDT −0.1 kt1:24 PM EDT5:09 PM EDT 0.3 kt9:11 PM EDT11:57 PM EDT −0.1 kt5:32 AM EDT7:49 PM EDT2:07 PM EDT3:00 AM EDT
Wed 071:45 AM EDT5:34 AM EDT 0.3 kt9:29 AM EDT12:28 PM EDT −0.1 kt2:16 PM EDT6:08 PM EDT 0.3 kt10:01 PM EDT5:31 AM EDT7:50 PM EDT3:10 PM EDT3:19 AM EDT
Thu 0812:50 AM EDT −0.1 kt2:41 AM EDT6:33 AM EDT 0.3 kt10:21 AM EDT1:14 PM EDT −0.1 kt3:04 PM EDT6:57 PM EDT 0.4 kt10:48 PM EDT5:30 AM EDT7:51 PM EDT4:11 PM EDT3:37 AM EDT
Fri 091:35 AM EDT −0.1 kt3:34 AM EDT7:21 AM EDT 0.3 kt11:11 AM EDT1:54 PM EDT −0.1 kt3:49 PM EDT7:41 PM EDT 0.4 kt11:34 PM EDT5:28 AM EDT7:52 PM EDT5:13 PM EDT3:54 AM EDT
Sat 102:18 AM EDT −0.1 kt4:23 AM EDT8:06 AM EDT 0.3 kt11:59 AM EDT2:31 PM EDT −0.1 kt4:32 PM EDT8:22 PM EDT 0.4 kt5:27 AM EDT7:53 PM EDT6:15 PM EDT4:12 AM EDT
Sun 1112:19 AM EDT3:04 AM EDT −0.1 kt5:09 AM EDT8:52 AM EDT 0.3 kt12:43 PM EDT3:07 PM EDT −0.1 kt5:11 PM EDT9:03 PM EDT 0.3 kt5:26 AM EDT7:54 PM EDT7:19 PM EDT4:33 AM EDT
Mon 121:01 AM EDT3:49 AM EDT −0.1 kt5:51 AM EDT9:39 AM EDT 0.3 kt1:24 PM EDT3:40 PM EDT −0.1 kt5:49 PM EDT9:42 PM EDT 0.3 ktFull Moon5:25 AM EDT7:56 PM EDT8:23 PM EDT4:58 AM EDT
Tue 131:40 AM EDT4:27 AM EDT −0.1 kt6:31 AM EDT10:22 AM EDT 0.3 kt2:04 PM EDT4:10 PM EDT −0.1 kt6:27 PM EDT10:07 PM EDT 0.3 kt5:24 AM EDT7:57 PM EDT9:27 PM EDT5:27 AM EDT
Wed 142:17 AM EDT4:56 AM EDT −0.1 kt7:11 AM EDT10:55 AM EDT 0.3 kt2:44 PM EDT4:43 PM EDT −0.1 kt7:07 PM EDT10:27 PM EDT 0.4 kt5:23 AM EDT7:58 PM EDT10:28 PM EDT6:04 AM EDT
Thu 152:55 AM EDT5:23 AM EDT −0.1 kt7:52 AM EDT11:14 AM EDT 0.3 kt3:27 PM EDT5:18 PM EDT −0.1 kt7:48 PM EDT10:56 PM EDT 0.4 kt5:22 AM EDT7:59 PM EDT11:23 PM EDT6:50 AM EDT
Fri 163:33 AM EDT5:53 AM EDT −0.1 kt8:32 AM EDT11:36 AM EDT 0.3 kt4:14 PM EDT5:58 PM EDT −0.1 kt8:32 PM EDT11:32 PM EDT 0.4 kt5:21 AM EDT8:00 PM EDT7:45 AM EDT
Sat 174:13 AM EDT6:33 AM EDT −0.1 kt9:13 AM EDT12:09 PM EDT 0.3 kt5:01 PM EDT6:49 PM EDT −0.1 kt9:17 PM EDT5:20 AM EDT8:01 PM EDT12:10 AM EDT8:49 AM EDT
Sun 1812:12 AM EDT 0.3 kt4:57 AM EDT7:25 AM EDT −0.1 kt9:57 AM EDT12:52 PM EDT 0.3 kt5:50 PM EDT7:49 PM EDT −0.1 kt10:05 PM EDT5:19 AM EDT8:02 PM EDT12:48 AM EDT9:58 AM EDT
Mon 191:01 AM EDT 0.3 kt5:44 AM EDT8:18 AM EDT −0.1 kt10:45 AM EDT1:46 PM EDT 0.3 kt6:41 PM EDT8:42 PM EDT −0.1 kt10:59 PM EDT5:18 AM EDT8:03 PM EDT1:20 AM EDT11:09 AM EDT
Tue 201:59 AM EDT 0.3 kt6:37 AM EDT9:04 AM EDT −0.1 kt11:39 AM EDT2:44 PM EDT 0.3 kt7:34 PM EDT9:31 PM EDT −0.1 kt11:58 PM EDTLast Quarter5:17 AM EDT8:04 PM EDT1:46 AM EDT12:21 PM EDT
Wed 212:58 AM EDT 0.3 kt7:37 AM EDT9:52 AM EDT −0.1 kt12:34 PM EDT3:37 PM EDT 0.3 kt8:27 PM EDT10:28 PM EDT −0.1 kt5:16 AM EDT8:05 PM EDT2:09 AM EDT1:34 PM EDT
Thu 2212:58 AM EDT3:56 AM EDT 0.3 kt8:38 AM EDT10:55 AM EDT −0.1 kt1:28 PM EDT4:30 PM EDT 0.4 kt9:16 PM EDT11:43 PM EDT −0.1 kt5:16 AM EDT8:06 PM EDT2:31 AM EDT2:49 PM EDT
Fri 231:55 AM EDT4:58 AM EDT 0.4 kt9:34 AM EDT12:06 PM EDT −0.1 kt2:19 PM EDT5:29 PM EDT 0.4 kt10:05 PM EDT5:15 AM EDT8:07 PM EDT2:53 AM EDT4:05 PM EDT
Sat 2412:43 AM EDT −0.1 kt2:52 AM EDT6:06 AM EDT 0.4 kt10:29 AM EDT12:58 PM EDT −0.1 kt3:11 PM EDT6:27 PM EDT 0.4 kt10:54 PM EDT5:14 AM EDT8:07 PM EDT3:17 AM EDT5:25 PM EDT
Sun 251:35 AM EDT −0.1 kt3:49 AM EDT7:06 AM EDT 0.4 kt11:26 AM EDT1:46 PM EDT −0.1 kt4:04 PM EDT7:19 PM EDT 0.4 kt11:47 PM EDT5:13 AM EDT8:08 PM EDT3:45 AM EDT6:49 PM EDT
Mon 262:31 AM EDT −0.1 kt4:46 AM EDT8:00 AM EDT 0.4 kt12:23 PM EDT2:41 PM EDT −0.1 kt4:56 PM EDT8:08 PM EDT 0.5 ktNew Moon5:13 AM EDT8:09 PM EDT4:20 AM EDT8:12 PM EDT
Tue 2712:39 AM EDT3:37 AM EDT −0.2 kt5:41 AM EDT8:57 AM EDT 0.4 kt1:17 PM EDT3:47 PM EDT −0.1 kt5:46 PM EDT9:02 PM EDT 0.5 kt5:12 AM EDT8:10 PM EDT5:04 AM EDT9:31 PM EDT
Wed 281:30 AM EDT4:34 AM EDT −0.2 kt6:35 AM EDT9:58 AM EDT 0.5 kt2:07 PM EDT4:43 PM EDT −0.1 kt6:38 PM EDT9:58 PM EDT 0.5 kt5:11 AM EDT8:11 PM EDT6:01 AM EDT10:37 PM EDT
Thu 292:19 AM EDT5:25 AM EDT −0.2 kt7:28 AM EDT10:51 AM EDT 0.5 kt2:59 PM EDT5:31 PM EDT −0.1 kt7:30 PM EDT10:50 PM EDT 0.5 kt5:11 AM EDT8:12 PM EDT7:09 AM EDT11:29 PM EDT
Fri 303:09 AM EDT6:16 AM EDT −0.2 kt8:21 AM EDT11:39 AM EDT 0.4 kt3:53 PM EDT6:24 PM EDT −0.1 kt8:24 PM EDT11:37 PM EDT 0.4 kt5:10 AM EDT8:13 PM EDT8:23 AM EDT
Sat 314:03 AM EDT7:13 AM EDT −0.1 kt9:12 AM EDT12:27 PM EDT 0.4 kt4:48 PM EDT7:27 PM EDT −0.1 kt9:18 PM EDT5:10 AM EDT8:13 PM EDT9:37 AM EDT12:09 AM 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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