Johnston Channel, off Halftide Rock, Alaska Current
55.8333° N, 160.7833° W
Flood direction 179° true
Ebb direction 337° true

August 2025

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Fri 0112:03 AM AKDT1:42 AM AKDT 1.0 kt4:16 AM AKDT8:52 AM AKDT −1.3 kt12:28 PM AKDT2:25 PM AKDT 1.2 kt5:29 PM AKDT10:31 PM AKDT −1.0 ktFirst Quarter6:49 AM AKDT10:48 PM AKDT5:02 PM AKDT12:24 AM AKDT
Sat 0212:57 AM AKDT2:29 AM AKDT 0.9 kt4:57 AM AKDT9:31 AM AKDT −1.3 kt1:13 PM AKDT3:11 PM AKDT 1.3 kt6:20 PM AKDT11:30 PM AKDT −1.0 kt6:50 AM AKDT10:46 PM AKDT6:23 PM AKDT12:34 AM AKDT
Sun 031:51 AM AKDT3:18 AM AKDT 0.8 kt5:39 AM AKDT10:11 AM AKDT −1.2 kt1:58 PM AKDT3:57 PM AKDT 1.3 kt7:09 PM AKDT6:52 AM AKDT10:44 PM AKDT7:42 PM AKDT12:49 AM AKDT
Mon 0412:24 AM AKDT −1.0 kt2:45 AM AKDT4:06 AM AKDT 0.7 kt6:22 AM AKDT10:52 AM AKDT −1.2 kt2:43 PM AKDT4:44 PM AKDT 1.4 kt7:57 PM AKDT6:54 AM AKDT10:42 PM AKDT8:51 PM AKDT1:14 AM AKDT
Tue 051:15 AM AKDT −1.0 kt3:38 AM AKDT4:56 AM AKDT 0.7 kt7:07 AM AKDT11:35 AM AKDT −1.2 kt3:28 PM AKDT5:31 PM AKDT 1.4 kt8:44 PM AKDT6:56 AM AKDT10:40 PM AKDT9:42 PM AKDT1:55 AM AKDT
Wed 062:03 AM AKDT −1.0 kt4:30 AM AKDT5:46 AM AKDT 0.7 kt7:55 AM AKDT12:20 PM AKDT −1.1 kt4:14 PM AKDT6:18 PM AKDT 1.4 kt9:31 PM AKDT6:58 AM AKDT10:38 PM AKDT10:16 PM AKDT2:57 AM AKDT
Thu 072:46 AM AKDT −1.1 kt5:21 AM AKDT6:36 AM AKDT 0.7 kt8:45 AM AKDT1:07 PM AKDT −1.1 kt5:02 PM AKDT7:06 PM AKDT 1.4 kt10:16 PM AKDT7:00 AM AKDT10:35 PM AKDT10:36 PM AKDT4:18 AM AKDT
Fri 082:55 AM AKDT −1.1 kt6:11 AM AKDT7:27 AM AKDT 0.7 kt9:38 AM AKDT1:56 PM AKDT −1.1 kt5:50 PM AKDT7:53 PM AKDT 1.4 kt10:59 PM AKDTFull Moon7:02 AM AKDT10:33 PM AKDT10:49 PM AKDT5:48 AM AKDT
Sat 093:25 AM AKDT −1.1 kt6:58 AM AKDT8:18 AM AKDT 0.7 kt10:34 AM AKDT2:47 PM AKDT −1.0 kt6:40 PM AKDT8:41 PM AKDT 1.4 kt11:42 PM AKDT7:04 AM AKDT10:31 PM AKDT10:58 PM AKDT7:21 AM AKDT
Sun 104:02 AM AKDT −1.1 kt7:44 AM AKDT9:08 AM AKDT 0.8 kt11:31 AM AKDT3:39 PM AKDT −1.0 kt7:31 PM AKDT9:29 PM AKDT 1.3 kt7:06 AM AKDT10:29 PM AKDT11:05 PM AKDT8:53 AM AKDT
Mon 1112:22 AM AKDT4:39 AM AKDT −1.2 kt8:28 AM AKDT9:59 AM AKDT 0.9 kt12:29 PM AKDT4:32 PM AKDT −1.0 kt8:23 PM AKDT10:17 PM AKDT 1.3 kt7:08 AM AKDT10:26 PM AKDT11:11 PM AKDT10:24 AM AKDT
Tue 121:02 AM AKDT5:17 AM AKDT −1.2 kt9:11 AM AKDT10:49 AM AKDT 1.0 kt1:27 PM AKDT5:26 PM AKDT −1.0 kt9:15 PM AKDT11:05 PM AKDT 1.2 kt7:09 AM AKDT10:24 PM AKDT11:17 PM AKDT11:55 AM AKDT
Wed 131:41 AM AKDT5:56 AM AKDT −1.3 kt9:53 AM AKDT11:39 AM AKDT 1.2 kt2:24 PM AKDT6:21 PM AKDT −1.0 kt10:08 PM AKDT11:53 PM AKDT 1.2 kt7:11 AM AKDT10:22 PM AKDT11:24 PM AKDT1:27 PM AKDT
Thu 142:21 AM AKDT6:37 AM AKDT −1.4 kt10:36 AM AKDT12:29 PM AKDT 1.3 kt3:20 PM AKDT7:15 PM AKDT −1.1 kt11:01 PM AKDT7:13 AM AKDT10:19 PM AKDT11:34 PM AKDT3:03 PM AKDT
Fri 1512:43 AM AKDT 1.1 kt3:03 AM AKDT7:20 AM AKDT −1.4 kt11:20 AM AKDT1:19 PM AKDT 1.5 kt4:16 PM AKDT8:11 PM AKDT −1.1 kt11:55 PM AKDTLast Quarter7:15 AM AKDT10:17 PM AKDT11:49 PM AKDT4:41 PM AKDT
Sat 161:33 AM AKDT 1.1 kt3:47 AM AKDT8:06 AM AKDT −1.5 kt12:05 PM AKDT2:10 PM AKDT 1.6 kt5:12 PM AKDT9:06 PM AKDT −1.1 kt7:17 AM AKDT10:15 PM AKDT6:18 PM AKDT
Sun 1712:49 AM AKDT2:24 AM AKDT 1.0 kt4:35 AM AKDT8:56 AM AKDT −1.5 kt12:53 PM AKDT3:02 PM AKDT 1.7 kt6:06 PM AKDT10:03 PM AKDT −1.2 kt7:19 AM AKDT10:12 PM AKDT12:14 AM AKDT7:44 PM AKDT
Mon 181:44 AM AKDT3:17 AM AKDT 1.0 kt5:26 AM AKDT9:48 AM AKDT −1.6 kt1:44 PM AKDT3:54 PM AKDT 1.7 kt7:00 PM AKDT11:00 PM AKDT −1.2 kt7:21 AM AKDT10:10 PM AKDT12:57 AM AKDT8:45 PM AKDT
Tue 192:39 AM AKDT4:10 AM AKDT 1.0 kt6:22 AM AKDT10:44 AM AKDT −1.5 kt2:36 PM AKDT4:47 PM AKDT 1.7 kt7:54 PM AKDT11:59 PM AKDT −1.2 kt7:23 AM AKDT10:08 PM AKDT2:05 AM AKDT9:23 PM AKDT
Wed 203:34 AM AKDT5:05 AM AKDT 1.0 kt7:21 AM AKDT11:42 AM AKDT −1.5 kt3:31 PM AKDT5:40 PM AKDT 1.7 kt8:47 PM AKDT7:25 AM AKDT10:05 PM AKDT3:32 AM AKDT9:44 PM AKDT
Thu 2112:58 AM AKDT −1.3 kt4:28 AM AKDT6:01 AM AKDT 1.0 kt8:22 AM AKDT12:42 PM AKDT −1.4 kt4:26 PM AKDT6:34 PM AKDT 1.6 kt9:39 PM AKDT7:27 AM AKDT10:03 PM AKDT5:05 AM AKDT9:57 PM AKDT
Fri 221:58 AM AKDT −1.3 kt5:23 AM AKDT6:57 AM AKDT 1.0 kt9:24 AM AKDT1:44 PM AKDT −1.3 kt5:23 PM AKDT7:27 PM AKDT 1.5 kt10:30 PM AKDTNew Moon7:29 AM AKDT10:00 PM AKDT6:36 AM AKDT10:05 PM AKDT
Sat 232:57 AM AKDT −1.3 kt6:16 AM AKDT7:54 AM AKDT 1.0 kt10:27 AM AKDT2:47 PM AKDT −1.3 kt6:19 PM AKDT8:20 PM AKDT 1.4 kt11:19 PM AKDT7:31 AM AKDT9:58 PM AKDT8:03 AM AKDT10:12 PM AKDT
Sun 243:55 AM AKDT −1.3 kt7:08 AM AKDT8:51 AM AKDT 1.0 kt11:30 AM AKDT3:52 PM AKDT −1.2 kt7:15 PM AKDT9:12 PM AKDT 1.3 kt7:33 AM AKDT9:55 PM AKDT9:26 AM AKDT10:17 PM AKDT
Mon 2512:07 AM AKDT4:49 AM AKDT −1.3 kt7:59 AM AKDT9:47 AM AKDT 1.1 kt12:31 PM AKDT4:58 PM AKDT −1.1 kt8:11 PM AKDT10:03 PM AKDT 1.2 kt7:35 AM AKDT9:53 PM AKDT10:45 AM AKDT10:21 PM AKDT
Tue 2612:52 AM AKDT5:37 AM AKDT −1.3 kt8:49 AM AKDT10:40 AM AKDT 1.1 kt1:29 PM AKDT6:08 PM AKDT −1.1 kt9:06 PM AKDT10:52 PM AKDT 1.1 kt7:37 AM AKDT9:50 PM AKDT12:04 PM AKDT10:26 PM AKDT
Wed 271:36 AM AKDT6:19 AM AKDT −1.3 kt9:36 AM AKDT11:30 AM AKDT 1.1 kt2:25 PM AKDT7:23 PM AKDT −1.0 kt9:59 PM AKDT11:40 PM AKDT 1.0 kt7:39 AM AKDT9:48 PM AKDT1:22 PM AKDT10:33 PM AKDT
Thu 282:19 AM AKDT6:56 AM AKDT −1.2 kt10:23 AM AKDT12:17 PM AKDT 1.2 kt3:17 PM AKDT8:24 PM AKDT −1.0 kt10:52 PM AKDT7:41 AM AKDT9:45 PM AKDT2:42 PM AKDT10:41 PM AKDT
Fri 2912:26 AM AKDT 0.9 kt3:00 AM AKDT7:33 AM AKDT −1.2 kt11:08 AM AKDT1:03 PM AKDT 1.2 kt4:06 PM AKDT9:16 PM AKDT −1.0 kt11:44 PM AKDT7:43 AM AKDT9:43 PM AKDT4:03 PM AKDT10:53 PM AKDT
Sat 301:13 AM AKDT 0.8 kt3:42 AM AKDT8:10 AM AKDT −1.2 kt11:52 AM AKDT1:48 PM AKDT 1.2 kt4:54 PM AKDT10:02 PM AKDT −1.0 ktFirst Quarter7:45 AM AKDT9:40 PM AKDT5:23 PM AKDT11:14 PM AKDT
Sun 3112:35 AM AKDT2:00 AM AKDT 0.8 kt4:23 AM AKDT8:49 AM AKDT −1.2 kt12:37 PM AKDT2:33 PM AKDT 1.3 kt5:40 PM AKDT10:19 PM AKDT −1.0 kt7:46 AM AKDT9:38 PM AKDT6:37 PM AKDT11:46 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.

Web pages copyright © 2005-2025 Mobile Geographics LLC