Alaska

Chowiet Island, Semidi 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 2:30 AM 10.7 9:27 AM -2.9 4:00 PM 8.2 9:14 PM 2.9
6:12 AM
10:36 PM
5:47 AM
New Moon · 2%
Mon, May 18 3:14 AM 10.8 10:15 AM -3.0 4:50 PM 8.0 10:01 PM 3.1
6:11 AM
10:38 PM
6:31 AM
1:24 AM
Waxing Crescent · 6%
Tue, May 19 4:00 AM 10.6 11:04 AM -2.7 5:42 PM 7.8 10:52 PM 3.3
6:09 AM
10:40 PM
7:41 AM
2:30 AM
Waxing Crescent · 12%
Wed, May 20 4:50 AM 10.1 11:55 AM -2.1 6:37 PM 7.5 11:49 PM 3.5
6:07 AM
10:41 PM
9:12 AM
3:09 AM
Waxing Crescent · 21%
Thu, May 21 5:44 AM 9.2 12:49 PM -1.2 7:35 PM 7.4
6:05 AM
10:43 PM
10:51 AM
3:31 AM
First Quarter · 31%
Fri, May 22 12:56 AM 3.7 6:47 AM 8.3 1:46 PM -0.3 8:35 PM 7.4
6:04 AM
10:45 PM
12:28 PM
3:44 AM
First Quarter · 42%
Sat, May 23 2:20 AM 3.6 8:01 AM 7.3 2:48 PM 0.7 9:33 PM 7.6
6:02 AM
10:47 PM
2:00 PM
3:53 AM
First Quarter · 53%

▲ high tide   ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station 9458519 · view the interactive daily chart