Portsmouth Harbor entrance (depth 44 ft), New Hampshire Current
43.0624° N, 70.7053° W
Flood direction 7° true
Ebb direction 178° true

October 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Wed 011:29 AM EDT4:01 AM EDT 0.8 kt8:34 AM EDT10:34 AM EDT −0.5 kt1:30 PM EDT3:55 PM EDT 0.8 kt8:37 PM EDT11:04 PM EDT −0.7 kt6:40 AM EDT6:23 PM EDT3:50 PM EDT
Thu 022:17 AM EDT4:43 AM EDT 0.8 kt9:24 AM EDT11:27 AM EDT −0.5 kt2:24 PM EDT4:47 PM EDT 0.8 kt9:29 PM EDT11:57 PM EDT −0.7 kt6:41 AM EDT6:21 PM EDT4:21 PM EDT12:58 AM EDT
Fri 033:05 AM EDT5:28 AM EDT 0.8 kt10:14 AM EDT12:24 PM EDT −0.6 kt3:18 PM EDT5:40 PM EDT 0.9 kt10:21 PM EDT6:42 AM EDT6:19 PM EDT4:46 PM EDT2:11 AM EDT
Sat 0412:52 AM EDT −0.7 kt3:53 AM EDT6:13 AM EDT 0.9 kt11:02 AM EDT1:22 PM EDT −0.7 kt4:11 PM EDT6:32 PM EDT 1.0 kt11:13 PM EDT6:44 AM EDT6:18 PM EDT5:10 PM EDT3:26 AM EDT
Sun 051:45 AM EDT −0.8 kt4:39 AM EDT6:59 AM EDT 1.0 kt11:48 AM EDT2:15 PM EDT −0.8 kt5:03 PM EDT7:23 PM EDT 1.0 kt6:45 AM EDT6:16 PM EDT5:31 PM EDT4:42 AM EDT
Mon 0612:06 AM EDT2:36 AM EDT −0.8 kt5:26 AM EDT7:45 AM EDT 1.1 kt12:35 PM EDT3:07 PM EDT −0.9 kt5:55 PM EDT8:14 PM EDT 1.1 ktFull Moon6:46 AM EDT6:14 PM EDT5:53 PM EDT5:59 AM EDT
Tue 0712:57 AM EDT3:27 AM EDT −0.9 kt6:13 AM EDT8:32 AM EDT 1.1 kt1:21 PM EDT3:59 PM EDT −1.0 kt6:47 PM EDT9:06 PM EDT 1.1 kt6:47 AM EDT6:12 PM EDT6:17 PM EDT7:19 AM EDT
Wed 081:49 AM EDT4:18 AM EDT −0.9 kt7:01 AM EDT9:21 AM EDT 1.2 kt2:09 PM EDT4:53 PM EDT −1.1 kt7:41 PM EDT10:00 PM EDT 1.2 kt6:48 AM EDT6:11 PM EDT6:46 PM EDT8:41 AM EDT
Thu 092:42 AM EDT5:10 AM EDT −0.9 kt7:51 AM EDT10:13 AM EDT 1.2 kt2:58 PM EDT5:46 PM EDT −1.1 kt8:34 PM EDT10:55 PM EDT 1.2 kt6:49 AM EDT6:09 PM EDT7:21 PM EDT10:05 AM EDT
Fri 103:36 AM EDT6:03 AM EDT −0.9 kt8:42 AM EDT11:04 AM EDT 1.2 kt3:49 PM EDT6:39 PM EDT −1.1 kt9:28 PM EDT11:48 PM EDT 1.2 kt6:50 AM EDT6:07 PM EDT8:06 PM EDT11:28 AM EDT
Sat 114:30 AM EDT6:56 AM EDT −0.9 kt9:34 AM EDT11:55 AM EDT 1.2 kt4:41 PM EDT7:33 PM EDT −1.1 kt10:21 PM EDT6:52 AM EDT6:06 PM EDT9:03 PM EDT12:43 PM EDT
Sun 1212:38 AM EDT 1.1 kt5:26 AM EDT7:50 AM EDT −0.9 kt10:26 AM EDT12:45 PM EDT 1.2 kt5:36 PM EDT8:29 PM EDT −1.1 kt11:14 PM EDT6:53 AM EDT6:04 PM EDT10:10 PM EDT1:45 PM EDT
Mon 131:29 AM EDT 1.1 kt6:23 AM EDT8:47 AM EDT −0.8 kt11:20 AM EDT1:37 PM EDT 1.1 kt6:34 PM EDT9:28 PM EDT −1.0 ktLast Quarter6:54 AM EDT6:02 PM EDT11:23 PM EDT2:33 PM EDT
Tue 1412:08 AM EDT2:22 AM EDT 1.0 kt7:23 AM EDT9:49 AM EDT −0.7 kt12:16 PM EDT2:32 PM EDT 1.0 kt7:36 PM EDT10:32 PM EDT −0.9 kt6:55 AM EDT6:01 PM EDT3:10 PM EDT
Wed 151:04 AM EDT3:21 AM EDT 0.9 kt8:24 AM EDT11:00 AM EDT −0.7 kt1:17 PM EDT3:33 PM EDT 0.9 kt8:40 PM EDT11:45 PM EDT −0.8 kt6:56 AM EDT5:59 PM EDT12:37 AM EDT3:39 PM EDT
Thu 162:02 AM EDT4:31 AM EDT 0.8 kt9:25 AM EDT12:21 PM EDT −0.7 kt2:20 PM EDT4:43 PM EDT 0.9 kt9:43 PM EDT6:57 AM EDT5:57 PM EDT1:48 AM EDT4:02 PM EDT
Fri 1712:55 AM EDT −0.8 kt2:58 AM EDT6:25 AM EDT 0.8 kt10:23 AM EDT1:28 PM EDT −0.7 kt3:22 PM EDT6:45 PM EDT 0.9 kt10:44 PM EDT6:59 AM EDT5:56 PM EDT2:56 AM EDT4:22 PM EDT
Sat 181:54 AM EDT −0.8 kt3:52 AM EDT7:21 AM EDT 0.9 kt11:17 AM EDT2:24 PM EDT −0.8 kt4:20 PM EDT7:46 PM EDT 0.9 kt11:39 PM EDT7:00 AM EDT5:54 PM EDT4:02 AM EDT4:40 PM EDT
Sun 192:45 AM EDT −0.8 kt4:43 AM EDT8:06 AM EDT 0.9 kt12:06 PM EDT3:14 PM EDT −0.9 kt5:14 PM EDT8:36 PM EDT 0.9 kt7:01 AM EDT5:53 PM EDT5:06 AM EDT4:57 PM EDT
Mon 2012:29 AM EDT3:33 AM EDT −0.8 kt5:31 AM EDT8:46 AM EDT 0.9 kt12:50 PM EDT4:02 PM EDT −0.9 kt6:05 PM EDT9:26 PM EDT 1.0 kt7:02 AM EDT5:51 PM EDT6:10 AM EDT5:15 PM EDT
Tue 211:16 AM EDT4:18 AM EDT −0.8 kt6:16 AM EDT9:27 AM EDT 1.0 kt1:33 PM EDT4:48 PM EDT −1.0 kt6:55 PM EDT10:17 PM EDT 1.0 ktNew Moon7:04 AM EDT5:49 PM EDT7:13 AM EDT5:35 PM EDT
Wed 222:00 AM EDT5:00 AM EDT −0.8 kt7:02 AM EDT10:09 AM EDT 1.0 kt2:14 PM EDT5:33 PM EDT −1.0 kt7:43 PM EDT11:08 PM EDT 1.0 kt7:05 AM EDT5:48 PM EDT8:18 AM EDT5:59 PM EDT
Thu 232:44 AM EDT5:38 AM EDT −0.7 kt7:46 AM EDT10:49 AM EDT 1.0 kt2:54 PM EDT6:14 PM EDT −0.9 kt8:30 PM EDT11:54 PM EDT 1.0 kt7:06 AM EDT5:46 PM EDT9:23 AM EDT6:27 PM EDT
Fri 243:27 AM EDT6:06 AM EDT −0.7 kt8:30 AM EDT11:19 AM EDT 1.0 kt3:35 PM EDT6:48 PM EDT −0.9 kt9:16 PM EDT7:07 AM EDT5:45 PM EDT10:27 AM EDT7:01 PM EDT
Sat 2512:36 AM EDT 1.0 kt4:10 AM EDT6:32 AM EDT −0.7 kt9:14 AM EDT11:50 AM EDT 1.0 kt4:15 PM EDT7:10 PM EDT −0.9 kt9:59 PM EDT7:09 AM EDT5:44 PM EDT11:27 AM EDT7:44 PM EDT
Sun 261:13 AM EDT 1.0 kt4:53 AM EDT7:05 AM EDT −0.6 kt9:56 AM EDT12:24 PM EDT 1.0 kt4:54 PM EDT7:37 PM EDT −0.8 kt10:41 PM EDT7:10 AM EDT5:42 PM EDT12:22 PM EDT8:36 PM EDT
Mon 271:34 AM EDT 1.0 kt5:36 AM EDT7:45 AM EDT −0.6 kt10:37 AM EDT1:02 PM EDT 1.0 kt5:35 PM EDT8:13 PM EDT −0.8 kt11:22 PM EDT7:11 AM EDT5:41 PM EDT1:09 PM EDT9:36 PM EDT
Tue 281:51 AM EDT 0.9 kt6:21 AM EDT8:28 AM EDT −0.6 kt11:18 AM EDT1:44 PM EDT 0.9 kt6:19 PM EDT8:54 PM EDT −0.8 kt7:12 AM EDT5:39 PM EDT1:48 PM EDT10:42 PM EDT
Wed 2912:03 AM EDT2:26 AM EDT 0.9 kt7:08 AM EDT9:14 AM EDT −0.6 kt12:03 PM EDT2:30 PM EDT 0.9 kt7:07 PM EDT9:39 PM EDT −0.7 ktFirst Quarter7:14 AM EDT5:38 PM EDT2:20 PM EDT11:52 PM EDT
Thu 3012:47 AM EDT3:09 AM EDT 0.9 kt7:57 AM EDT10:03 AM EDT −0.6 kt12:54 PM EDT3:21 PM EDT 0.9 kt7:59 PM EDT10:28 PM EDT −0.7 kt7:15 AM EDT5:36 PM EDT2:46 PM EDT
Fri 311:34 AM EDT3:57 AM EDT 0.9 kt8:47 AM EDT10:56 AM EDT −0.6 kt1:51 PM EDT4:14 PM EDT 0.9 kt8:54 PM EDT11:21 PM EDT −0.7 kt7:16 AM EDT5:35 PM EDT3:10 PM EDT1:03 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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