Boston Harbor (Deer Island Light) (depth 28 ft), Massachusetts Current
42.3378° N, 70.9558° W
Flood direction 265° true
Ebb direction 100° true

July 2026

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Wed 0112:35 AM EDT4:46 AM EDT −1.2 kt6:59 AM EDT10:35 AM EDT 1.1 kt1:19 PM EDT5:00 PM EDT −1.0 kt7:08 PM EDT9:24 PM EDT 1.0 kt5:10 AM EDT8:24 PM EDT9:53 PM EDT6:21 AM EDT
Thu 021:20 AM EDT5:20 AM EDT −1.2 kt7:42 AM EDT11:12 AM EDT 1.1 kt2:00 PM EDT5:30 PM EDT −1.0 kt7:52 PM EDT10:04 PM EDT 1.1 kt5:11 AM EDT8:24 PM EDT10:19 PM EDT7:26 AM EDT
Fri 032:07 AM EDT5:50 AM EDT −1.2 kt8:25 AM EDT10:45 AM EDT 1.1 kt2:40 PM EDT5:56 PM EDT −1.0 kt8:36 PM EDT10:46 PM EDT 1.1 kt5:11 AM EDT8:23 PM EDT10:43 PM EDT8:32 AM EDT
Sat 042:53 AM EDT6:19 AM EDT −1.1 kt9:08 AM EDT11:14 AM EDT 1.1 kt3:19 PM EDT6:26 PM EDT −1.0 kt9:22 PM EDT11:30 PM EDT 1.2 kt5:12 AM EDT8:23 PM EDT11:03 PM EDT9:38 AM EDT
Sun 053:39 AM EDT6:54 AM EDT −1.1 kt9:52 AM EDT11:54 AM EDT 1.1 kt3:59 PM EDT7:06 PM EDT −1.0 kt10:09 PM EDT5:13 AM EDT8:23 PM EDT11:23 PM EDT10:44 AM EDT
Mon 0612:16 AM EDT 1.2 kt4:25 AM EDT7:38 AM EDT −1.0 kt10:36 AM EDT12:39 PM EDT 1.1 kt4:40 PM EDT7:55 PM EDT −1.0 kt11:00 PM EDT5:13 AM EDT8:23 PM EDT11:44 PM EDT11:51 AM EDT
Tue 071:08 AM EDT 1.2 kt5:13 AM EDT8:25 AM EDT −1.0 kt11:22 AM EDT1:29 PM EDT 1.2 kt5:26 PM EDT8:48 PM EDT −1.0 kt11:54 PM EDTLast Quarter5:14 AM EDT8:22 PM EDT1:00 PM EDT
Wed 082:02 AM EDT 1.1 kt6:04 AM EDT9:12 AM EDT −1.0 kt12:11 PM EDT2:21 PM EDT 1.2 kt6:17 PM EDT9:45 PM EDT −1.1 kt5:15 AM EDT8:22 PM EDT12:06 AM EDT2:13 PM EDT
Thu 0912:51 AM EDT2:57 AM EDT 1.1 kt6:57 AM EDT10:04 AM EDT −0.9 kt1:03 PM EDT3:13 PM EDT 1.3 kt7:11 PM EDT11:02 PM EDT −1.1 kt5:15 AM EDT8:21 PM EDT12:32 AM EDT3:29 PM EDT
Fri 101:48 AM EDT3:54 AM EDT 1.1 kt7:52 AM EDT11:14 AM EDT −1.0 kt1:56 PM EDT4:08 PM EDT 1.3 kt8:06 PM EDT5:16 AM EDT8:21 PM EDT1:05 AM EDT4:49 PM EDT
Sat 1112:20 AM EDT −1.2 kt2:44 AM EDT4:59 AM EDT 1.2 kt8:48 AM EDT12:32 PM EDT −1.0 kt2:52 PM EDT5:07 PM EDT 1.4 kt9:02 PM EDT5:17 AM EDT8:21 PM EDT1:47 AM EDT6:06 PM EDT
Sun 121:19 AM EDT −1.3 kt3:41 AM EDT6:18 AM EDT 1.2 kt9:46 AM EDT1:34 PM EDT −1.1 kt3:49 PM EDT6:11 PM EDT 1.4 kt10:01 PM EDT5:17 AM EDT8:20 PM EDT2:43 AM EDT7:15 PM EDT
Mon 132:15 AM EDT −1.4 kt4:37 AM EDT7:25 AM EDT 1.3 kt10:46 AM EDT2:35 PM EDT −1.2 kt4:47 PM EDT7:12 PM EDT 1.4 kt11:00 PM EDT5:18 AM EDT8:19 PM EDT3:52 AM EDT8:12 PM EDT
Tue 143:12 AM EDT −1.5 kt5:31 AM EDT8:25 AM EDT 1.4 kt11:44 AM EDT3:35 PM EDT −1.3 kt5:44 PM EDT8:15 PM EDT 1.4 kt11:59 PM EDTNew Moon5:19 AM EDT8:19 PM EDT5:11 AM EDT8:55 PM EDT
Wed 154:07 AM EDT −1.6 kt6:24 AM EDT9:28 AM EDT 1.5 kt12:40 PM EDT4:29 PM EDT −1.4 kt6:39 PM EDT9:32 PM EDT 1.5 kt5:20 AM EDT8:18 PM EDT6:34 AM EDT9:29 PM EDT
Thu 1612:56 AM EDT4:57 AM EDT −1.7 kt7:15 AM EDT10:26 AM EDT 1.5 kt1:33 PM EDT5:19 PM EDT −1.5 kt7:33 PM EDT10:40 PM EDT 1.5 kt5:21 AM EDT8:18 PM EDT7:53 AM EDT9:56 PM EDT
Fri 171:51 AM EDT5:46 AM EDT −1.7 kt8:06 AM EDT11:17 AM EDT 1.5 kt2:24 PM EDT6:09 PM EDT −1.5 kt8:26 PM EDT11:38 PM EDT 1.5 kt5:22 AM EDT8:17 PM EDT9:09 AM EDT10:19 PM EDT
Sat 182:45 AM EDT6:35 AM EDT −1.6 kt8:56 AM EDT12:07 PM EDT 1.5 kt3:13 PM EDT7:02 PM EDT −1.4 kt9:19 PM EDT5:23 AM EDT8:16 PM EDT10:21 AM EDT10:40 PM EDT
Sun 1912:36 AM EDT 1.4 kt3:37 AM EDT7:28 AM EDT −1.5 kt9:45 AM EDT1:00 PM EDT 1.4 kt4:00 PM EDT7:57 PM EDT −1.3 kt10:11 PM EDT5:24 AM EDT8:15 PM EDT11:29 AM EDT11:00 PM EDT
Mon 201:37 AM EDT 1.3 kt4:27 AM EDT8:21 AM EDT −1.3 kt10:33 AM EDT1:55 PM EDT 1.3 kt4:46 PM EDT8:52 PM EDT −1.3 kt11:05 PM EDT5:24 AM EDT8:15 PM EDT12:36 PM EDT11:22 PM EDT
Tue 212:34 AM EDT 1.2 kt5:18 AM EDT9:14 AM EDT −1.1 kt11:22 AM EDT2:47 PM EDT 1.2 kt5:34 PM EDT9:47 PM EDT −1.2 ktFirst Quarter5:25 AM EDT8:14 PM EDT1:42 PM EDT11:45 PM EDT
Wed 2212:00 AM EDT3:29 AM EDT 1.1 kt6:12 AM EDT10:07 AM EDT −1.0 kt12:11 PM EDT3:37 PM EDT 1.1 kt6:24 PM EDT10:43 PM EDT −1.1 kt5:26 AM EDT8:13 PM EDT2:47 PM EDT
Thu 2312:55 AM EDT4:24 AM EDT 1.0 kt7:07 AM EDT11:03 AM EDT −0.9 kt1:01 PM EDT4:30 PM EDT 1.0 kt7:15 PM EDT11:40 PM EDT −1.1 kt5:27 AM EDT8:12 PM EDT3:52 PM EDT12:13 AM EDT
Fri 241:49 AM EDT5:21 AM EDT 1.0 kt8:01 AM EDT11:59 AM EDT −0.8 kt1:52 PM EDT5:28 PM EDT 0.9 kt8:04 PM EDT5:28 AM EDT8:11 PM EDT4:53 PM EDT12:45 AM EDT
Sat 2512:33 AM EDT −1.1 kt2:40 AM EDT6:15 AM EDT 1.0 kt8:54 AM EDT12:51 PM EDT −0.8 kt2:43 PM EDT6:23 PM EDT 0.9 kt8:53 PM EDT5:29 AM EDT8:10 PM EDT5:50 PM EDT1:26 AM EDT
Sun 261:21 AM EDT −1.1 kt3:29 AM EDT7:05 AM EDT 1.0 kt9:47 AM EDT1:39 PM EDT −0.8 kt3:34 PM EDT7:11 PM EDT 0.9 kt9:44 PM EDT5:30 AM EDT8:09 PM EDT6:39 PM EDT2:14 AM EDT
Mon 272:07 AM EDT −1.1 kt4:18 AM EDT7:51 AM EDT 1.1 kt10:39 AM EDT2:27 PM EDT −0.9 kt4:25 PM EDT7:57 PM EDT 0.9 kt10:36 PM EDT5:31 AM EDT8:08 PM EDT7:21 PM EDT3:10 AM EDT
Tue 282:54 AM EDT −1.1 kt5:05 AM EDT8:38 AM EDT 1.1 kt11:27 AM EDT3:14 PM EDT −0.9 kt5:14 PM EDT8:43 PM EDT 1.0 kt11:26 PM EDT5:32 AM EDT8:07 PM EDT7:55 PM EDT4:12 AM EDT
Wed 293:39 AM EDT −1.2 kt5:49 AM EDT9:25 AM EDT 1.1 kt12:10 PM EDT3:57 PM EDT −1.0 kt6:00 PM EDT9:29 PM EDT 1.0 ktFull Moon5:33 AM EDT8:06 PM EDT8:24 PM EDT5:17 AM EDT
Thu 3012:15 AM EDT4:20 AM EDT −1.2 kt6:32 AM EDT10:07 AM EDT 1.1 kt12:51 PM EDT4:35 PM EDT −1.1 kt6:44 PM EDT9:08 PM EDT 1.1 kt
9:39 PM EDT 1.1 kt
10:01 PM EDT 1.1 kt
5:34 AM EDT8:05 PM EDT8:48 PM EDT6:24 AM EDT
Fri 311:01 AM EDT4:56 AM EDT −1.2 kt7:14 AM EDT10:38 AM EDT 1.1 kt1:29 PM EDT5:06 PM EDT −1.1 kt7:27 PM EDT9:44 PM EDT 1.2 kt5:35 AM EDT8:04 PM EDT9:09 PM EDT7:30 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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