Portland Harbor entrance (depth 9 ft), Casco Bay, Maine Current
43.6280° N, 70.2095° W
Flood direction 310° true
Ebb direction 138° true

September 2026

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Tue 012:37 AM EDT6:01 AM EDT −1.2 kt9:14 AM EDT12:00 PM EDT 0.8 kt2:38 PM EDT6:19 PM EDT −1.3 kt9:38 PM EDT6:04 AM EDT7:16 PM EDT9:01 PM EDT11:06 AM EDT
Wed 0212:33 AM EDT 0.8 kt3:26 AM EDT6:49 AM EDT −1.2 kt10:02 AM EDT12:49 PM EDT 0.8 kt3:23 PM EDT7:07 PM EDT −1.2 kt10:31 PM EDT6:05 AM EDT7:14 PM EDT9:34 PM EDT12:23 PM EDT
Thu 031:24 AM EDT 0.8 kt4:14 AM EDT7:39 AM EDT −1.1 kt10:53 AM EDT1:40 PM EDT 0.7 kt4:12 PM EDT8:01 PM EDT −1.2 kt11:30 PM EDT6:06 AM EDT7:12 PM EDT10:16 PM EDT1:40 PM EDT
Fri 042:16 AM EDT 0.8 kt5:05 AM EDT8:33 AM EDT −1.1 kt11:49 AM EDT2:32 PM EDT 0.7 kt5:09 PM EDT9:00 PM EDT −1.1 ktLast Quarter6:07 AM EDT7:10 PM EDT11:12 PM EDT2:52 PM EDT
Sat 0512:38 AM EDT3:11 AM EDT 0.7 kt6:01 AM EDT9:31 AM EDT −1.0 kt12:48 PM EDT3:27 PM EDT 0.7 kt6:15 PM EDT10:04 PM EDT −1.1 kt6:09 AM EDT7:08 PM EDT3:55 PM EDT
Sun 061:51 AM EDT4:10 AM EDT 0.6 kt7:11 AM EDT10:33 AM EDT −1.0 kt1:52 PM EDT4:27 PM EDT 0.7 kt7:33 PM EDT11:09 PM EDT −1.1 kt6:10 AM EDT7:07 PM EDT12:19 AM EDT4:45 PM EDT
Mon 073:03 AM EDT5:16 AM EDT 0.6 kt8:31 AM EDT11:36 AM EDT −1.0 kt3:00 PM EDT5:30 PM EDT 0.7 kt8:53 PM EDT6:11 AM EDT7:05 PM EDT1:36 AM EDT5:24 PM EDT
Tue 0812:13 AM EDT −1.2 kt4:08 AM EDT6:24 AM EDT 0.6 kt9:45 AM EDT12:38 PM EDT −1.0 kt4:07 PM EDT6:36 PM EDT 0.7 kt10:02 PM EDT6:12 AM EDT7:03 PM EDT2:56 AM EDT5:54 PM EDT
Wed 091:13 AM EDT −1.2 kt5:04 AM EDT7:27 AM EDT 0.7 kt10:47 AM EDT1:37 PM EDT −1.1 kt5:08 PM EDT7:37 PM EDT 0.7 kt11:01 PM EDT6:13 AM EDT7:02 PM EDT4:15 AM EDT6:19 PM EDT
Thu 102:07 AM EDT −1.3 kt5:52 AM EDT8:20 AM EDT 0.7 kt11:40 AM EDT2:31 PM EDT −1.2 kt6:04 PM EDT8:32 PM EDT 0.8 kt11:55 PM EDTNew Moon6:14 AM EDT7:00 PM EDT5:31 AM EDT6:41 PM EDT
Fri 112:56 AM EDT −1.3 kt6:37 AM EDT9:04 AM EDT 0.8 kt12:27 PM EDT3:21 PM EDT −1.2 kt6:56 PM EDT9:21 PM EDT 0.7 kt6:15 AM EDT6:58 PM EDT6:45 AM EDT7:02 PM EDT
Sat 1212:45 AM EDT3:43 AM EDT −1.2 kt7:20 AM EDT9:45 AM EDT 0.7 kt1:09 PM EDT4:07 PM EDT −1.2 kt7:44 PM EDT10:08 PM EDT 0.7 kt6:16 AM EDT6:56 PM EDT7:56 AM EDT7:21 PM EDT
Sun 131:33 AM EDT4:28 AM EDT −1.2 kt8:04 AM EDT10:26 AM EDT 0.7 kt1:49 PM EDT4:52 PM EDT −1.2 kt8:31 PM EDT10:55 PM EDT 0.7 kt6:17 AM EDT6:54 PM EDT9:06 AM EDT7:43 PM EDT
Mon 142:19 AM EDT5:13 AM EDT −1.1 kt8:51 AM EDT11:10 AM EDT 0.6 kt2:28 PM EDT5:36 PM EDT −1.1 kt9:19 PM EDT11:42 PM EDT 0.6 kt6:19 AM EDT6:52 PM EDT10:16 AM EDT8:07 PM EDT
Tue 153:03 AM EDT5:58 AM EDT −1.0 kt9:40 AM EDT11:56 AM EDT 0.5 kt3:06 PM EDT6:21 PM EDT −1.0 kt10:10 PM EDT6:20 AM EDT6:51 PM EDT11:25 AM EDT8:35 PM EDT
Wed 1612:30 AM EDT 0.6 kt3:45 AM EDT6:43 AM EDT −0.9 kt10:31 AM EDT12:43 PM EDT 0.5 kt3:46 PM EDT7:08 PM EDT −0.9 kt11:05 PM EDT6:21 AM EDT6:49 PM EDT12:31 PM EDT9:09 PM EDT
Thu 171:18 AM EDT 0.5 kt4:25 AM EDT7:30 AM EDT −0.8 kt11:21 AM EDT1:31 PM EDT 0.5 kt4:28 PM EDT7:59 PM EDT −0.8 kt6:22 AM EDT6:47 PM EDT1:33 PM EDT9:51 PM EDT
Fri 1812:03 AM EDT2:06 AM EDT 0.5 kt5:05 AM EDT8:20 AM EDT −0.8 kt12:10 PM EDT2:19 PM EDT 0.5 kt5:14 PM EDT8:54 PM EDT −0.8 ktFirst Quarter6:23 AM EDT6:45 PM EDT2:29 PM EDT10:41 PM EDT
Sat 191:01 AM EDT2:56 AM EDT 0.4 kt5:52 AM EDT9:12 AM EDT −0.7 kt12:59 PM EDT3:07 PM EDT 0.5 kt6:06 PM EDT9:52 PM EDT −0.8 kt6:24 AM EDT6:43 PM EDT3:16 PM EDT11:39 PM EDT
Sun 202:00 AM EDT3:49 AM EDT 0.4 kt6:52 AM EDT10:08 AM EDT −0.7 kt1:50 PM EDT3:58 PM EDT 0.5 kt7:05 PM EDT10:49 PM EDT −0.8 kt6:25 AM EDT6:41 PM EDT3:55 PM EDT
Mon 212:55 AM EDT4:46 AM EDT 0.4 kt8:03 AM EDT11:05 AM EDT −0.7 kt2:44 PM EDT4:52 PM EDT 0.5 kt8:06 PM EDT11:42 PM EDT −0.9 kt6:27 AM EDT6:40 PM EDT4:27 PM EDT12:42 AM EDT
Tue 223:43 AM EDT5:43 AM EDT 0.4 kt9:06 AM EDT11:59 AM EDT −0.7 kt3:39 PM EDT5:48 PM EDT 0.5 kt9:01 PM EDT6:28 AM EDT6:38 PM EDT4:54 PM EDT1:48 AM EDT
Wed 2312:30 AM EDT −1.0 kt4:25 AM EDT6:35 AM EDT 0.5 kt9:57 AM EDT12:50 PM EDT −0.8 kt4:29 PM EDT6:42 PM EDT 0.5 kt9:50 PM EDT6:29 AM EDT6:36 PM EDT5:16 PM EDT2:56 AM EDT
Thu 241:15 AM EDT −1.1 kt5:02 AM EDT7:19 AM EDT 0.7 kt10:37 AM EDT1:36 PM EDT −1.0 kt5:13 PM EDT7:31 PM EDT 0.6 kt10:35 PM EDT6:30 AM EDT6:34 PM EDT5:37 PM EDT4:04 AM EDT
Fri 251:57 AM EDT −1.1 kt5:35 AM EDT7:59 AM EDT 0.8 kt11:10 AM EDT2:18 PM EDT −1.1 kt5:51 PM EDT8:15 PM EDT 0.7 kt11:18 PM EDT6:31 AM EDT6:32 PM EDT5:57 PM EDT5:13 AM EDT
Sat 262:39 AM EDT −1.2 kt6:08 AM EDT8:37 AM EDT 0.8 kt11:39 AM EDT2:59 PM EDT −1.2 kt6:26 PM EDT8:58 PM EDT 0.8 ktFull Moon6:32 AM EDT6:30 PM EDT6:16 PM EDT6:24 AM EDT
Sun 2712:00 AM EDT3:21 AM EDT −1.2 kt6:41 AM EDT9:15 AM EDT 0.8 kt12:08 PM EDT3:39 PM EDT −1.3 kt7:01 PM EDT9:41 PM EDT 0.9 kt6:33 AM EDT6:28 PM EDT6:38 PM EDT7:36 AM EDT
Mon 2812:44 AM EDT4:04 AM EDT −1.2 kt7:17 AM EDT9:55 AM EDT 0.8 kt12:41 PM EDT4:21 PM EDT −1.3 kt7:38 PM EDT10:26 PM EDT 0.9 kt6:35 AM EDT6:27 PM EDT7:04 PM EDT8:51 AM EDT
Tue 291:28 AM EDT4:48 AM EDT −1.2 kt7:57 AM EDT10:39 AM EDT 0.8 kt1:20 PM EDT5:05 PM EDT −1.3 kt8:21 PM EDT11:14 PM EDT 0.9 kt6:36 AM EDT6:25 PM EDT7:35 PM EDT10:10 AM EDT
Wed 302:15 AM EDT5:35 AM EDT −1.2 kt8:42 AM EDT11:28 AM EDT 0.8 kt2:06 PM EDT5:52 PM EDT −1.3 kt9:11 PM EDT6:37 AM EDT6:23 PM EDT8:15 PM EDT11:28 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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