- Low 3:52 AM 0.9 ft
- High 10:26 AM 5.6 ft
- Low 4:36 PM 0.9 ft
- High 10:51 PM 4.9 ft
First light 6:59 AMSunrise 7:26 AMSunset 6:20 PMLast light 6:48 PM
Alcatraz Island, CA Tide Chart & Tide Times
NOAA tide station 9414792 · California · updated Oct 23, 2026
Fri, Oct 23: High tide 10:26 AM (5.6 ft) and 10:51 PM (4.9 ft); low tide 3:52 AM (0.9 ft) and 4:36 PM (0.9 ft).
Tide todayHigh 10:26 AM · High 10:51 PMLow 3:52 AM · Low 4:36 PM
Today's range4.7 ft0.9 → 5.6 ft (MLLW)
Waves (buoy)Loading…NDBC 46237
Water temp (buoy)Loading…
WindLoading…
Sun7:26 AM – 6:20 PMFirst light 6:59 AM · Last light 6:48 PM
Buoy: NOAA NDBC 46237 (San Francisco Bar, CA (142)), 12 mi away. Buoy readings are recent observations, not a surf forecast. Wind: observed at NOAA CO-OPS station 9414311 (San Francisco Pier 1), 2 mi away; forecast from the NOAA National Weather Service (api.weather.gov).
Alcatraz Island tides — next 3 days
Shaded = night · heights in feet above MLLW · local time
- Low 4:27 AM 1.3 ft
- High 10:53 AM 5.9 ft
- Low 5:13 PM 0.2 ft
- High 11:45 PM 5.0 ft
First light 6:59 AMSunrise 7:27 AMSunset 6:19 PMLast light 6:47 PM
- Low 5:02 AM 1.6 ft
- High 11:21 AM 6.2 ft
- Low 5:52 PM -0.3 ft
First light 7:00 AMSunrise 7:28 AMSunset 6:18 PMLast light 6:45 PM
- High 12:39 AM 5.0 ft
- Low 5:39 AM 2.1 ft
- High 11:53 AM 6.5 ft
- Low 6:35 PM -0.8 ft
First light 7:01 AMSunrise 7:29 AMSunset 6:17 PMLast light 6:44 PM
Alcatraz Island tide table — next 9 days
| Fri, Oct 23 | Low 3:52 AM 0.95 ft | High 10:26 AM 5.58 ft | Low 4:36 PM 0.86 ft | High 10:51 PM 4.92 ft |
|---|---|---|---|---|
| Sat, Oct 24 | Low 4:27 AM 1.26 ft | High 10:53 AM 5.91 ft | Low 5:13 PM 0.23 ft | High 11:45 PM 4.98 ft |
| Sun, Oct 25 | Low 5:02 AM 1.65 ft | High 11:21 AM 6.23 ft | Low 5:52 PM -0.34 ft | |
| Mon, Oct 26 | High 12:39 AM 4.99 ft | Low 5:39 AM 2.08 ft | High 11:53 AM 6.49 ft | Low 6:35 PM -0.78 ft |
| Tue, Oct 27 | High 1:35 AM 4.95 ft | Low 6:19 AM 2.50 ft | High 12:29 PM 6.65 ft | Low 7:20 PM -1.04 ft |
| Wed, Oct 28 | High 2:33 AM 4.86 ft | Low 7:02 AM 2.87 ft | High 1:10 PM 6.67 ft | Low 8:10 PM -1.10 ft |
| Thu, Oct 29 | High 3:35 AM 4.74 ft | Low 7:50 AM 3.17 ft | High 1:57 PM 6.53 ft | Low 9:05 PM -0.98 ft |
| Fri, Oct 30 | High 4:41 AM 4.65 ft | Low 8:50 AM 3.38 ft | High 2:53 PM 6.24 ft | Low 10:07 PM -0.73 ft |
| Sat, Oct 31 | High 5:49 AM 4.66 ft | Low 10:08 AM 3.44 ft | High 3:58 PM 5.83 ft | Low 11:14 PM -0.43 ft |
Times are local (standard/daylight). Heights in feet above MLLW.
Beaches & towns near this station
Nearby tide stations
- San Francisco, North Point, Pier 41, CA 1.2 mi
- Angel Island, East Garrison, CA 2.5 mi
- Angel Island (West Side), CA 2.7 mi
- San Francisco (Golden Gate), CA 3.0 mi
- Rincon Point, Pier 22 1/2, CA 3.0 mi
- Yerba Buena Island, CA 3.3 mi
- Sausalito, CA 3.6 mi
- Oakland Middle Harbor, CA 4.6 mi
About this station
- NOAA station ID
- 9414792
- Type
- Subordinate station (offsets from NOAA station 9414290)
- Coordinates
- 37.8267, -122.4170
- Datum
- MLLW (feet)
- Time zone
- America/Los_Angeles
FAQ
When is high tide today at Alcatraz Island, CA?
On Fri, Oct 23, predicted high tide at Alcatraz Island, CA is at 10:26 AM, 10:51 PM local time.
When is low tide today at Alcatraz Island, CA?
On Fri, Oct 23, predicted low tide at Alcatraz Island, CA is at 3:52 AM, 4:36 PM local time.
Where does this tide data come from?
Predictions come from NOAA's Center for Operational Oceanographic Products and Services (CO-OPS), station 9414792. Heights are in feet relative to Mean Lower Low Water (MLLW).