Alcatraz Island, 5 mi N, San Francisco Bay, California Current
37.8333° N, 122.4166° W

January 2026

DaySlackFlood

Slack
Ebb
SlackFlood

Slack
Ebb
SlackFlood

SlackPhaseSunriseSunsetMoonriseMoonset
Thu 011:54 AM PST −1.4 kt5:17 AM PST8:14 AM PST 1.7 kt9:51 AM PST2:07 PM PST −4.0 kt6:37 PM PST9:45 PM PST 2.6 kt7:25 AM PST5:01 PM PST3:06 PM PST5:53 AM PST
Fri 0212:03 AM PST2:51 AM PST −1.4 kt6:12 AM PST9:08 AM PST 1.8 kt10:44 AM PST3:00 PM PST −4.1 kt7:29 PM PST10:36 PM PST 2.7 kt7:25 AM PST5:02 PM PST4:14 PM PST7:03 AM PST
Sat 0312:54 AM PST3:44 AM PST −1.5 kt7:06 AM PST10:01 AM PST 1.8 kt11:38 AM PST3:51 PM PST −4.1 kt8:19 PM PST11:25 PM PST 2.7 ktFull Moon7:25 AM PST5:03 PM PST5:30 PM PST8:01 AM PST
Sun 041:41 AM PST4:35 AM PST −1.6 kt8:01 AM PST10:53 AM PST 1.8 kt12:32 PM PST4:41 PM PST −4.0 kt9:07 PM PST7:25 AM PST5:04 PM PST6:46 PM PST8:47 AM PST
Mon 0512:12 AM PST 2.6 kt2:26 AM PST5:24 AM PST −1.7 kt8:58 AM PST11:46 AM PST 1.7 kt1:25 PM PST5:30 PM PST −3.7 kt9:54 PM PST7:25 AM PST5:04 PM PST7:59 PM PST9:23 AM PST
Tue 0612:57 AM PST 2.4 kt3:10 AM PST6:13 AM PST −1.8 kt9:57 AM PST12:41 PM PST 1.6 kt2:20 PM PST6:18 PM PST −3.2 kt10:39 PM PST7:25 AM PST5:05 PM PST9:08 PM PST9:53 AM PST
Wed 071:42 AM PST 2.2 kt3:52 AM PST7:02 AM PST −1.9 kt10:59 AM PST1:39 PM PST 1.5 kt3:19 PM PST7:07 PM PST −2.7 kt11:24 PM PST7:25 AM PST5:06 PM PST10:13 PM PST10:19 AM PST
Thu 082:27 AM PST 2.0 kt4:34 AM PST7:52 AM PST −2.0 kt12:04 PM PST2:41 PM PST 1.3 kt4:22 PM PST7:58 PM PST −2.2 kt7:25 AM PST5:07 PM PST11:15 PM PST10:42 AM PST
Fri 0912:10 AM PST3:12 AM PST 1.8 kt5:15 AM PST8:44 AM PST −2.0 kt1:09 PM PST3:49 PM PST 1.2 kt5:32 PM PST8:51 PM PST −1.7 kt7:25 AM PST5:08 PM PST11:04 AM PST
Sat 1012:58 AM PST3:59 AM PST 1.5 kt5:57 AM PST9:37 AM PST −2.1 kt2:14 PM PST5:03 PM PST 1.2 kt6:45 PM PST9:50 PM PST −1.3 ktLast Quarter7:25 AM PST5:09 PM PST12:16 AM PST11:27 AM PST
Sun 111:51 AM PST4:50 AM PST 1.3 kt6:40 AM PST10:31 AM PST −2.3 kt3:14 PM PST6:14 PM PST 1.3 kt7:59 PM PST10:53 PM PST −1.0 kt7:25 AM PST5:10 PM PST1:16 AM PST11:52 AM PST
Mon 122:46 AM PST5:42 AM PST 1.2 kt7:25 AM PST11:26 AM PST −2.4 kt4:09 PM PST7:17 PM PST 1.5 kt9:08 PM PST7:24 AM PST5:11 PM PST2:17 AM PST12:20 PM PST
Tue 1312:01 AM PST −0.9 kt3:42 AM PST6:34 AM PST 1.2 kt8:11 AM PST12:18 PM PST −2.6 kt5:00 PM PST8:11 PM PST 1.7 kt10:08 PM PST7:24 AM PST5:12 PM PST3:18 AM PST12:52 PM PST
Wed 141:04 AM PST −0.9 kt4:33 AM PST7:22 AM PST 1.2 kt8:57 AM PST1:07 PM PST −2.8 kt5:46 PM PST8:58 PM PST 1.8 kt10:59 PM PST7:24 AM PST5:13 PM PST4:18 AM PST1:31 PM PST
Thu 151:53 AM PST −0.9 kt5:19 AM PST8:07 AM PST 1.2 kt9:41 AM PST1:52 PM PST −2.9 kt6:29 PM PST9:40 PM PST 1.9 kt11:43 PM PST7:24 AM PST5:14 PM PST5:16 AM PST2:18 PM PST
Fri 162:32 AM PST −1.0 kt6:00 AM PST8:49 AM PST 1.3 kt10:24 AM PST2:34 PM PST −3.1 kt7:09 PM PST10:16 PM PST 2.0 kt7:23 AM PST5:15 PM PST6:09 AM PST3:12 PM PST
Sat 1712:23 AM PST3:10 AM PST −1.1 kt6:38 AM PST9:28 AM PST 1.4 kt11:05 AM PST3:13 PM PST −3.3 kt7:46 PM PST10:49 PM PST 2.1 kt7:23 AM PST5:16 PM PST6:56 AM PST4:12 PM PST
Sun 181:00 AM PST3:47 AM PST −1.3 kt7:16 AM PST10:07 AM PST 1.5 kt11:44 AM PST3:52 PM PST −3.4 kt8:21 PM PST11:20 PM PST 2.1 ktNew Moon7:22 AM PST5:17 PM PST7:37 AM PST5:16 PM PST
Mon 191:35 AM PST4:25 AM PST −1.4 kt7:54 AM PST10:47 AM PST 1.5 kt12:23 PM PST4:31 PM PST −3.4 kt8:53 PM PST11:52 PM PST 2.1 kt7:22 AM PST5:18 PM PST8:11 AM PST6:22 PM PST
Tue 202:09 AM PST5:05 AM PST −1.6 kt8:36 AM PST11:28 AM PST 1.5 kt1:03 PM PST5:11 PM PST −3.3 kt9:25 PM PST7:21 AM PST5:20 PM PST8:40 AM PST7:28 PM PST
Wed 2112:25 AM PST 2.1 kt2:42 AM PST5:46 AM PST −1.8 kt9:21 AM PST12:13 PM PST 1.5 kt1:48 PM PST5:53 PM PST −3.0 kt9:58 PM PST7:21 AM PST5:21 PM PST9:06 AM PST8:33 PM PST
Thu 221:00 AM PST 2.1 kt3:14 AM PST6:29 AM PST −2.0 kt10:12 AM PST1:02 PM PST 1.4 kt2:39 PM PST6:38 PM PST −2.7 kt10:32 PM PST7:20 AM PST5:22 PM PST9:31 AM PST9:39 PM PST
Fri 231:38 AM PST 1.9 kt3:47 AM PST7:15 AM PST −2.2 kt11:09 AM PST1:56 PM PST 1.4 kt3:40 PM PST7:27 PM PST −2.3 kt11:10 PM PST7:20 AM PST5:23 PM PST9:55 AM PST10:45 PM PST
Sat 242:20 AM PST 1.8 kt4:23 AM PST8:04 AM PST −2.4 kt12:13 PM PST2:57 PM PST 1.4 kt4:52 PM PST8:21 PM PST −1.9 kt11:54 PM PST7:19 AM PST5:24 PM PST10:19 AM PST11:54 PM PST
Sun 253:08 AM PST 1.6 kt5:03 AM PST8:58 AM PST −2.6 kt1:21 PM PST4:07 PM PST 1.4 kt6:14 PM PST9:21 PM PST −1.5 ktFirst Quarter7:18 AM PST5:25 PM PST10:47 AM PST
Mon 2612:47 AM PST4:01 AM PST 1.5 kt5:50 AM PST9:55 AM PST −2.8 kt2:31 PM PST5:23 PM PST 1.6 kt7:38 PM PST10:27 PM PST −1.2 kt7:18 AM PST5:26 PM PST11:20 AM PST1:06 AM PST
Tue 271:52 AM PST5:01 AM PST 1.4 kt6:45 AM PST10:57 AM PST −3.0 kt3:37 PM PST6:40 PM PST 1.8 kt8:55 PM PST11:37 PM PST −1.1 kt7:17 AM PST5:27 PM PST12:01 PM PST2:20 AM PST
Wed 283:03 AM PST6:04 AM PST 1.4 kt7:44 AM PST12:00 PM PST −3.3 kt4:39 PM PST7:48 PM PST 2.1 kt10:01 PM PST7:16 AM PST5:28 PM PST12:51 PM PST3:35 AM PST
Thu 2912:46 AM PST −1.1 kt4:12 AM PST7:07 AM PST 1.5 kt8:45 AM PST1:01 PM PST −3.6 kt5:35 PM PST8:45 PM PST 2.3 kt10:57 PM PST7:16 AM PST5:29 PM PST1:53 PM PST4:45 AM PST
Fri 301:49 AM PST −1.3 kt5:13 AM PST8:07 AM PST 1.7 kt9:44 AM PST1:58 PM PST −3.8 kt6:27 PM PST9:36 PM PST 2.5 kt11:45 PM PST7:15 AM PST5:31 PM PST3:04 PM PST5:46 AM PST
Sat 312:43 AM PST −1.5 kt6:08 AM PST9:02 AM PST 1.8 kt10:41 AM PST2:50 PM PST −3.9 kt7:15 PM PST10:21 PM PST 2.6 kt7:14 AM PST5:32 PM PST4:19 PM PST6:37 AM PST

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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