Helm Rock (depth 30 ft), Sumner Strait, Alaska Current
56.3754° N, 133.6679° W
Flood direction 74° true
Ebb direction 240° true

August 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Fri 0112:04 AM AKDT1:42 AM AKDT 1.2 kt3:41 AM AKDT8:42 AM AKDT −2.2 kt12:13 PM AKDT2:00 PM AKDT 1.0 kt3:49 PM AKDT9:14 PM AKDT −2.5 ktFirst Quarter4:57 AM AKDT9:02 PM AKDT3:11 PM AKDT10:42 PM AKDT
Sat 021:11 AM AKDT2:33 AM AKDT 0.7 kt4:10 AM AKDT9:38 AM AKDT −1.8 kt1:26 PM AKDT2:49 PM AKDT 0.5 kt4:08 PM AKDT10:13 PM AKDT −2.2 kt4:59 AM AKDT9:00 PM AKDT4:33 PM AKDT10:55 PM AKDT
Sun 032:38 AM AKDT3:33 AM AKDT 0.3 kt4:40 AM AKDT10:38 AM AKDT −1.5 kt2:59 PM AKDT3:46 PM AKDT 0.2 kt4:33 PM AKDT11:17 PM AKDT −2.1 kt5:01 AM AKDT8:58 PM AKDT5:53 PM AKDT11:18 PM AKDT
Mon 044:08 AM AKDT4:37 AM AKDT 0.1 kt5:14 AM AKDT6:10 AM AKDT −0.1 kt
7:16 AM AKDT −0.1 kt
11:42 AM AKDT −1.4 kt
4:24 PM AKDT4:45 PM AKDT 0.0 kt5:06 PM AKDT6:50 PM AKDT −0.4 kt
7:38 PM AKDT −0.4 kt
5:03 AM AKDT8:56 PM AKDT7:05 PM AKDT11:56 PM AKDT
Tue 0512:26 AM AKDT −2.2 kt5:17 AM AKDT5:44 AM AKDT 0.1 kt
6:37 AM AKDT 0.0 kt
8:17 AM AKDT 0.2 kt
9:19 AM AKDT12:52 PM AKDT −1.5 kt5:18 PM AKDT5:43 PM AKDT 0.1 kt6:12 PM AKDT7:28 PM AKDT −0.3 kt
8:32 PM AKDT −0.2 kt
5:05 AM AKDT8:54 PM AKDT7:57 PM AKDT
Wed 061:35 AM AKDT −2.4 kt5:54 AM AKDT9:02 AM AKDT 0.5 kt10:36 AM AKDT1:57 PM AKDT −1.8 kt5:54 PM AKDT6:43 PM AKDT 0.3 kt
8:25 PM AKDT 0.0 kt
9:05 PM AKDT 0.0 kt
9:30 PM AKDT5:07 AM AKDT8:51 PM AKDT8:31 PM AKDT12:57 AM AKDT
Thu 072:28 AM AKDT −2.8 kt6:23 AM AKDT9:33 AM AKDT 0.7 kt11:29 AM AKDT2:48 PM AKDT −2.2 kt6:27 PM AKDT7:39 PM AKDT 0.6 kt10:39 PM AKDT5:09 AM AKDT8:49 PM AKDT8:51 PM AKDT2:18 AM AKDT
Fri 083:11 AM AKDT −3.2 kt6:52 AM AKDT8:31 AM AKDT 1.2 kt12:08 PM AKDT3:32 PM AKDT −2.7 kt7:01 PM AKDT8:29 PM AKDT 1.1 kt11:26 PM AKDTFull Moon5:11 AM AKDT8:47 PM AKDT9:03 PM AKDT3:48 AM AKDT
Sat 093:51 AM AKDT −3.5 kt7:21 AM AKDT9:08 AM AKDT 1.8 kt12:39 PM AKDT4:14 PM AKDT −3.2 kt7:36 PM AKDT9:15 PM AKDT 1.6 kt5:13 AM AKDT8:45 PM AKDT9:11 PM AKDT5:23 AM AKDT
Sun 1012:05 AM AKDT4:31 AM AKDT −3.8 kt7:51 AM AKDT9:46 AM AKDT 2.3 kt1:07 PM AKDT4:58 PM AKDT −3.6 kt8:12 PM AKDT10:00 PM AKDT 2.1 kt5:15 AM AKDT8:42 PM AKDT9:17 PM AKDT6:56 AM AKDT
Mon 1112:43 AM AKDT5:12 AM AKDT −3.9 kt8:23 AM AKDT10:26 AM AKDT 2.8 kt1:35 PM AKDT5:41 PM AKDT −3.8 kt8:49 PM AKDT10:45 PM AKDT 2.5 kt5:17 AM AKDT8:40 PM AKDT9:22 PM AKDT8:28 AM AKDT
Tue 121:20 AM AKDT5:55 AM AKDT −3.9 kt8:59 AM AKDT11:08 AM AKDT 3.0 kt2:02 PM AKDT6:25 PM AKDT −3.9 kt9:31 PM AKDT11:30 PM AKDT 2.7 kt5:19 AM AKDT8:38 PM AKDT9:27 PM AKDT10:00 AM AKDT
Wed 132:00 AM AKDT6:38 AM AKDT −3.8 kt9:39 AM AKDT11:51 AM AKDT 3.0 kt2:30 PM AKDT7:11 PM AKDT −3.8 kt10:18 PM AKDT5:21 AM AKDT8:36 PM AKDT9:34 PM AKDT11:33 AM AKDT
Thu 1412:17 AM AKDT 2.6 kt2:42 AM AKDT7:25 AM AKDT −3.5 kt10:25 AM AKDT12:35 PM AKDT 2.7 kt3:01 PM AKDT8:01 PM AKDT −3.5 kt11:12 PM AKDT5:23 AM AKDT8:33 PM AKDT9:42 PM AKDT1:09 PM AKDT
Fri 151:06 AM AKDT 2.3 kt3:29 AM AKDT8:17 AM AKDT −3.0 kt11:19 AM AKDT1:22 PM AKDT 2.2 kt3:36 PM AKDT8:58 PM AKDT −3.2 ktLast Quarter5:25 AM AKDT8:31 PM AKDT9:55 PM AKDT2:49 PM AKDT
Sat 1612:16 AM AKDT2:00 AM AKDT 1.8 kt4:27 AM AKDT9:17 AM AKDT −2.6 kt12:26 PM AKDT2:14 PM AKDT 1.5 kt4:16 PM AKDT10:03 PM AKDT −3.0 kt5:27 AM AKDT8:28 PM AKDT10:18 PM AKDT4:28 PM AKDT
Sun 171:32 AM AKDT3:04 AM AKDT 1.3 kt5:51 AM AKDT10:22 AM AKDT −2.2 kt1:48 PM AKDT3:15 PM AKDT 1.0 kt5:07 PM AKDT11:13 PM AKDT −2.9 kt5:29 AM AKDT8:26 PM AKDT10:58 PM AKDT5:56 PM AKDT
Mon 182:52 AM AKDT4:16 AM AKDT 1.0 kt7:38 AM AKDT11:33 AM AKDT −2.1 kt3:14 PM AKDT4:23 PM AKDT 0.6 kt6:37 PM AKDT5:31 AM AKDT8:24 PM AKDT7:00 PM AKDT
Tue 1912:37 AM AKDT −3.0 kt4:03 AM AKDT5:46 AM AKDT 1.0 kt9:18 AM AKDT1:01 PM AKDT −2.2 kt4:25 PM AKDT5:33 PM AKDT 0.6 kt8:54 PM AKDT5:33 AM AKDT8:21 PM AKDT12:04 AM AKDT7:37 PM AKDT
Wed 202:01 AM AKDT −3.3 kt5:01 AM AKDT7:49 AM AKDT 1.3 kt10:30 AM AKDT2:26 PM AKDT −2.6 kt5:23 PM AKDT6:57 PM AKDT 0.7 kt
7:30 PM AKDT 0.7 kt
8:06 PM AKDT 0.7 kt
10:14 PM AKDT5:35 AM AKDT8:19 PM AKDT1:31 AM AKDT7:58 PM AKDT
Thu 212:53 AM AKDT −3.6 kt5:50 AM AKDT8:35 AM AKDT 1.7 kt11:21 AM AKDT3:08 PM AKDT −2.9 kt6:12 PM AKDT8:40 PM AKDT 1.1 kt11:10 PM AKDT5:37 AM AKDT8:16 PM AKDT3:06 AM AKDT8:10 PM AKDT
Fri 223:32 AM AKDT −3.8 kt6:33 AM AKDT9:08 AM AKDT 2.0 kt12:00 PM AKDT3:39 PM AKDT −3.3 kt6:54 PM AKDT8:57 PM AKDT 1.4 kt11:53 PM AKDTNew Moon5:39 AM AKDT8:14 PM AKDT4:39 AM AKDT8:18 PM AKDT
Sat 234:03 AM AKDT −3.9 kt7:12 AM AKDT9:31 AM AKDT 2.3 kt12:32 PM AKDT4:08 PM AKDT −3.6 kt7:32 PM AKDT9:26 PM AKDT 1.8 kt5:41 AM AKDT8:11 PM AKDT6:07 AM AKDT8:24 PM AKDT
Sun 2412:29 AM AKDT4:30 AM AKDT −3.8 kt7:48 AM AKDT9:55 AM AKDT 2.5 kt1:00 PM AKDT4:39 PM AKDT −3.8 kt8:08 PM AKDT10:00 PM AKDT 2.1 kt5:43 AM AKDT8:09 PM AKDT7:31 AM AKDT8:28 PM AKDT
Mon 251:01 AM AKDT5:00 AM AKDT −3.8 kt8:22 AM AKDT10:25 AM AKDT 2.6 kt1:27 PM AKDT5:12 PM AKDT −3.8 kt8:42 PM AKDT10:35 PM AKDT 2.3 kt5:45 AM AKDT8:06 PM AKDT8:51 AM AKDT8:32 PM AKDT
Tue 261:31 AM AKDT5:32 AM AKDT −3.6 kt8:56 AM AKDT10:57 AM AKDT 2.6 kt1:52 PM AKDT5:47 PM AKDT −3.8 kt9:16 PM AKDT11:12 PM AKDT 2.3 kt5:47 AM AKDT8:03 PM AKDT10:10 AM AKDT8:36 PM AKDT
Wed 272:00 AM AKDT6:06 AM AKDT −3.4 kt9:29 AM AKDT11:31 AM AKDT 2.4 kt2:14 PM AKDT6:23 PM AKDT −3.6 kt9:51 PM AKDT11:50 PM AKDT 2.2 kt5:49 AM AKDT8:01 PM AKDT11:30 AM AKDT8:41 PM AKDT
Thu 282:26 AM AKDT6:42 AM AKDT −3.1 kt10:04 AM AKDT12:07 PM AKDT 2.0 kt2:29 PM AKDT7:02 PM AKDT −3.3 kt10:30 PM AKDT5:51 AM AKDT7:58 PM AKDT12:50 PM AKDT8:49 PM AKDT
Fri 2912:28 AM AKDT 1.9 kt2:48 AM AKDT7:21 AM AKDT −2.7 kt10:40 AM AKDT12:43 PM AKDT 1.6 kt2:40 PM AKDT7:45 PM AKDT −2.8 kt11:18 PM AKDT5:53 AM AKDT7:56 PM AKDT2:13 PM AKDT9:00 PM AKDT
Sat 301:09 AM AKDT 1.4 kt3:05 AM AKDT8:05 AM AKDT −2.2 kt11:23 AM AKDT1:20 PM AKDT 1.0 kt2:54 PM AKDT8:38 PM AKDT −2.4 ktFirst Quarter5:55 AM AKDT7:53 PM AKDT3:34 PM AKDT9:18 PM AKDT
Sun 3112:25 AM AKDT1:54 AM AKDT 0.8 kt3:20 AM AKDT9:02 AM AKDT −1.7 kt12:26 PM AKDT2:04 PM AKDT 0.5 kt3:12 PM AKDT9:43 PM AKDT −2.0 kt5:57 AM AKDT7:50 PM AKDT4:50 PM AKDT9:48 PM AKDT

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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