Washington

Roche Harbor, San Juan Island — Weekly Tide Table

Aug 30 – Sep 5, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Aug 30 12:46 AM 2.8 6:41 AM 6.4 12:41 PM 1.6 7:19 PM 7.5
6:27 AM
8:03 PM
8:36 PM
9:25 AM
Waning Gibbous · 93%
Mon, Aug 31 1:26 AM 1.8 7:40 AM 6.3 1:17 PM 2.7 7:42 PM 7.5
6:28 AM
8:01 PM
8:55 PM
10:44 AM
Waning Gibbous · 86%
Tue, Sep 1 2:09 AM 0.9 8:45 AM 6.1 1:55 PM 3.8 8:07 PM 7.4
6:29 AM
7:59 PM
9:18 PM
12:06 PM
Waning Gibbous · 77%
Wed, Sep 2 2:56 AM 0.1 10:02 AM 6.0 2:37 PM 5.0 8:34 PM 7.4
6:31 AM
7:57 PM
9:48 PM
1:30 PM
Last Quarter · 67%
Thu, Sep 3 3:48 AM -0.5 11:43 AM 6.1 3:28 PM 6.0 9:03 PM 7.2
6:32 AM
7:54 PM
10:30 PM
2:54 PM
Last Quarter · 56%
Fri, Sep 4 4:47 AM -0.8 1:39 PM 6.4 4:42 PM 6.7 9:40 PM 7.1
6:34 AM
7:52 PM
11:27 PM
4:09 PM
Last Quarter · 44%
Sat, Sep 5 5:52 AM -1.0 2:57 PM 6.9 6:30 PM 7.0 10:42 PM 6.9
6:35 AM
7:50 PM
5:10 PM
Last Quarter · 33%

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