Washington

Roche Harbor, San Juan Island — Weekly Tide Table

Apr 26 – May 2, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Apr 26 2:32 AM 7.7 9:16 AM 4.0 1:39 PM 5.0 7:44 PM 1.7
6:04 AM
8:19 PM
3:12 PM
4:15 AM
Waxing Gibbous · 78%
Mon, Apr 27 3:05 AM 7.6 9:44 AM 2.9 3:19 PM 5.3 8:40 PM 2.6
6:02 AM
8:20 PM
4:27 PM
4:30 AM
Waxing Gibbous · 86%
Tue, Apr 28 3:31 AM 7.5 10:09 AM 1.8 4:33 PM 5.9 9:30 PM 3.5
6:00 AM
8:22 PM
5:40 PM
4:44 AM
Waxing Gibbous · 92%
Wed, Apr 29 3:51 AM 7.4 10:33 AM 0.8 5:34 PM 6.4 10:15 PM 4.3
5:59 AM
8:23 PM
6:52 PM
4:58 AM
Full Moon · 97%
Thu, Apr 30 4:07 AM 7.3 10:58 AM -0.1 6:26 PM 6.9 11:00 PM 5.1
5:57 AM
8:24 PM
8:04 PM
5:13 AM
Full Moon · 99%
Fri, May 1 4:23 AM 7.2 11:25 AM -0.7 7:13 PM 7.3 11:45 PM 5.7
5:55 AM
8:26 PM
9:14 PM
5:31 AM
Full Moon · 100%
Sat, May 2 4:43 AM 7.0 11:55 AM -1.2 7:57 PM 7.5
5:53 AM
8:27 PM
10:23 PM
5:53 AM
Full Moon · 99%

▲ high tide   ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station 9449834 · view the interactive daily chart