Alcatraz Island, 0.5 mi north of (depth 74 ft), San Francisco Bay, California Current Predictions (Legacy)
Local time: 2025-11-18 Tue 8:45 AM PST
Warning: tidal prediction constants for this station are very old and predictions may be wildly incorrect. See https://tides.mobilegeographics.com for newer data.
Alcatraz Island, 0.5 mi north of (depth 74 ft), San Francisco Bay, California Current
37.8351° N, 122.4201° W
Flood direction 69° true
Ebb direction 237° true
2025-11-18 Tue 11:03 AM PST -0.0 knots Slack, Ebb Begins
3:16 PM PST -1.9 knots Max Ebb
3:47 PM PST Moonset
4:55 PM PST Sunset
6:35 PM PST 0.0 knots Slack, Flood Begins
9:55 PM PST 1.5 knots Max Flood
2025-11-19 Wed 1:19 AM PST -0.0 knots Slack, Ebb Begins
3:44 AM PST -0.6 knots Max Ebb
5:29 AM PST 0.0 knots Slack, Flood Begins
6:34 AM PST Moonrise
6:54 AM PST Sunrise
8:35 AM PST 1.1 knots Max Flood
11:32 AM PST -0.0 knots Slack, Ebb Begins
3:47 PM PST -1.8 knots Max Ebb
4:18 PM PST Moonset
4:55 PM PST Sunset
7:13 PM PST 0.0 knots Slack, Flood Begins
10:38 PM PST 1.5 knots Max Flood
10:48 PM PST New Moon
2025-11-20 Thu 2:09 AM PST -0.0 knots Slack, Ebb Begins
4:29 AM PST -0.5 knots Max Ebb
6:12 AM PST 0.0 knots Slack, Flood Begins
6:55 AM PST Sunrise
7:34 AM PST Moonrise
9:06 AM PST 1.1 knots Max Flood
12:04 PM PST -0.0 knots Slack, Ebb Begins
4:02 PM PST -1.8 knots Max Ebb
4:54 PM PST Sunset
4:55 PM PST Moonset
7:50 PM PST 0.0 knots Slack, Flood Begins
11:21 PM PST 1.4 knots Max Flood
2025-11-21 Fri 2:54 AM PST -0.0 knots Slack, Ebb Begins
5:11 AM PST -0.5 knots Max Ebb
6:54 AM PST 0.0 knots Slack, Flood Begins
6:56 AM PST Sunrise
8:33 AM PST Moonrise
9:39 AM PST 1.1 knots Max Flood
12:39 PM PST -0.0 knots Slack, Ebb Begins
4:18 PM PST -1.7 knots Max Ebb
4:54 PM PST Sunset
5:38 PM PST Moonset
8:26 PM PST 0.0 knots Slack, Flood Begins
2025-11-22 Sat 12:06 AM PST 1.3 knots Max Flood
3:38 AM PST -0.0 knots Slack, Ebb Begins
5:49 AM PST -0.4 knots Max Ebb
6:57 AM PST Sunrise
7:32 AM PST 0.0 knots Slack, Flood Begins
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