California
Alcatraz Island — Tide Calendar
May 2026 · Local station time · Heights in ft (MLLW) · Negative tides only| Date | Tide Curve | High & Low Tides | Sun | Moon |
|---|---|---|---|---|
| Fri, May 1 | ▼ 6:25 AM -0.5 ▲ 1:17 PM 4.4 ▼ 6:01 PM 2.3 |
6:16 AM
7:59 PM
|
↑ 8:35 PM
↓ 5:58 AM
Full Moon · 100%
|
|
| Sat, May 2 | ▲ 12:08 AM 5.8 ▼ 6:58 AM -0.6 ▲ 2:04 PM 4.4 ▼ 6:35 PM 2.7 |
6:14 AM
8:00 PM
|
↑ 9:36 PM
↓ 6:28 AM
Full Moon · 99%
|
|
| Sun, May 3 | ▲ 12:35 AM 5.7 ▼ 7:33 AM -0.6 ▲ 2:51 PM 4.3 ▼ 7:11 PM 3.0 |
6:13 AM
8:01 PM
|
↑ 10:34 PM
↓ 7:04 AM
Waning Gibbous · 96%
|
|
| Mon, May 4 | ▲ 1:05 AM 5.6 ▼ 8:09 AM -0.6 ▲ 3:39 PM 4.2 ▼ 7:48 PM 3.2 |
6:12 AM
8:02 PM
|
↑ 11:29 PM
↓ 7:46 AM
Waning Gibbous · 91%
|
|
| Tue, May 5 | ▲ 1:39 AM 5.5 ▼ 8:49 AM -0.4 ▲ 4:30 PM 4.1 ▼ 8:31 PM 3.3 |
6:11 AM
8:03 PM
|
↑ —
↓ 8:36 AM
Waning Gibbous · 85%
|
|
| Wed, May 6 | ▲ 2:18 AM 5.3 ▼ 9:33 AM -0.3 ▲ 5:24 PM 4.0 ▼ 9:24 PM 3.4 |
6:10 AM
8:04 PM
|
↑ 12:17 AM
↓ 9:32 AM
Waning Gibbous · 78%
|
|
| Thu, May 7 | ▲ 3:04 AM 5.0 ▼ 10:23 AM -0.1 ▲ 6:20 PM 4.1 ▼ 10:38 PM 3.4 |
6:09 AM
8:05 PM
|
↑ 12:59 AM
↓ 10:32 AM
Waning Gibbous · 69%
|
|
| Thu, May 14 | ▼ 4:28 AM -0.2 ▲ 11:05 AM 4.4 ▼ 4:04 PM 1.7 ▲ 10:27 PM 6.2 |
6:02 AM
8:11 PM
|
↑ 4:16 AM
↓ 6:18 PM
Waning Crescent · 6%
|
|
| Fri, May 15 | ▼ 5:12 AM -0.9 ▲ 12:07 PM 4.6 ▼ 4:49 PM 2.1 ▲ 11:04 PM 6.6 |
6:01 AM
8:12 PM
|
↑ 4:48 AM
↓ 7:32 PM
New Moon · 2%
|
|
| Sat, May 16 | ▼ 5:58 AM -1.4 ▲ 1:06 PM 4.7 ▼ 5:35 PM 2.5 ▲ 11:45 PM 6.8 |
6:01 AM
8:13 PM
|
↑ 5:25 AM
↓ 8:48 PM
New Moon · 0%
|
|
| 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%
|
|
| Thu, May 28 | ▼ 4:56 AM -0.2 ▲ 11:44 AM 4.1 ▼ 4:16 PM 2.4 ▲ 10:32 PM 6.0 |
5:52 AM
8:23 PM
|
↑ 6:24 PM
↓ 4:00 AM
Waxing Gibbous · 94%
|
|
| Fri, May 29 | ▼ 5:33 AM -0.5 ▲ 12:37 PM 4.3 ▼ 4:56 PM 2.8 ▲ 11:01 PM 6.0 |
5:52 AM
8:24 PM
|
↑ 7:26 PM
↓ 4:29 AM
Full Moon · 98%
|
|
| Sat, May 30 | ▼ 6:07 AM -0.7 ▲ 1:24 PM 4.4 ▼ 5:35 PM 3.1 ▲ 11:32 PM 5.9 |
5:51 AM
8:25 PM
|
↑ 8:26 PM
↓ 5:02 AM
Full Moon · 100%
|
|
| Sun, May 31 | ▼ 6:41 AM -0.7 ▲ 2:07 PM 4.4 ▼ 6:13 PM 3.2 |
5:51 AM
8:25 PM
|
↑ 9:22 PM
↓ 5:42 AM
Full Moon · 100%
|
▲ high tide ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station 9414792 · view the interactive daily chart