Washington

Roche Harbor, San Juan Island — Weekly Tide Table

Jul 19 – Jul 25, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Jul 19 3:52 AM 3.5 8:57 AM 5.2 2:59 PM 1.5 9:59 PM 7.9
5:30 AM
9:09 PM
12:05 PM
11:31 PM
First Quarter · 33%
Mon, Jul 20 4:51 AM 2.5 10:33 AM 4.8 3:43 PM 3.1 10:25 PM 7.7
5:31 AM
9:08 PM
1:19 PM
11:47 PM
First Quarter · 43%
Tue, Jul 21 5:46 AM 1.6 12:47 PM 4.9 4:34 PM 4.5 10:51 PM 7.5
5:32 AM
9:07 PM
2:32 PM
First Quarter · 53%
Wed, Jul 22 6:38 AM 0.8 2:48 PM 5.6 5:41 PM 5.8 11:18 PM 7.2
5:34 AM
9:06 PM
3:43 PM
12:05 AM
First Quarter · 63%
Thu, Jul 23 7:27 AM 0.2 4:07 PM 6.4 7:15 PM 6.6 11:49 PM 7.0
5:35 AM
9:05 PM
4:53 PM
12:26 AM
Waxing Gibbous · 72%
Fri, Jul 24 8:13 AM -0.2 4:57 PM 7.0 8:54 PM 7.0
5:36 AM
9:03 PM
5:58 PM
12:55 AM
Waxing Gibbous · 80%
Sat, Jul 25 12:27 AM 6.8 8:56 AM -0.6 5:36 PM 7.4 10:08 PM 7.0
5:37 AM
9:02 PM
6:55 PM
1:32 AM
Waxing Gibbous · 87%

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