California

Alcatraz Island — Weekly Tide Table

May 17 – May 23, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, May 17 6:46 AM -1.8 2:04 PM 4.7 6:24 PM 2.8
6:00 AM
8:14 PM
6:11 AM
10:02 PM
New Moon · 2%
Mon, May 18 12:31 AM 6.8 7:36 AM -1.9 3:01 PM 4.7 7:17 PM 3.0
5:59 AM
8:15 PM
7:07 AM
11:09 PM
Waxing Crescent · 6%
Tue, May 19 1:21 AM 6.7 8:29 AM -1.8 3:58 PM 4.7 8:17 PM 3.0
5:58 AM
8:16 PM
8:13 AM
Waxing Crescent · 12%
Wed, May 20 2:15 AM 6.3 9:25 AM -1.5 4:56 PM 4.7 9:27 PM 3.0
5:57 AM
8:17 PM
9:26 AM
12:05 AM
Waxing Crescent · 21%
Thu, May 21 3:14 AM 5.9 10:22 AM -1.1 5:52 PM 4.8 10:49 PM 2.9
5:57 AM
8:18 PM
10:42 AM
12:50 AM
Waxing Crescent · 31%
Fri, May 22 4:20 AM 5.3 11:21 AM -0.6 6:46 PM 5.0
5:56 AM
8:18 PM
11:55 AM
1:27 AM
First Quarter · 42%
Sat, May 23 12:14 AM 2.5 5:34 AM 4.7 12:19 PM -0.1 7:35 PM 5.2
5:55 AM
8:19 PM
1:05 PM
1:57 AM
First Quarter · 53%

▲ high tide   ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station 9414792 · view the interactive daily chart