Washington

Roche Harbor, San Juan Island — Weekly Tide Table

Sep 27 – Oct 3, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Sep 27 6:03 AM 6.8 11:37 AM 2.9 5:48 PM 7.4
7:06 AM
7:04 PM
6:58 PM
8:24 AM
Full Moon · 99%
Mon, Sep 28 12:09 AM 0.3 6:59 AM 7.0 12:15 PM 3.9 6:11 PM 7.5
7:07 AM
7:02 PM
7:19 PM
9:44 AM
Waning Gibbous · 95%
Tue, Sep 29 12:48 AM -0.6 7:58 AM 7.1 12:57 PM 4.8 6:36 PM 7.4
7:08 AM
7:00 PM
7:46 PM
11:08 AM
Waning Gibbous · 89%
Wed, Sep 30 1:32 AM -1.3 9:03 AM 7.1 1:43 PM 5.7 7:03 PM 7.3
7:10 AM
6:57 PM
8:23 PM
12:32 PM
Waning Gibbous · 81%
Thu, Oct 1 2:20 AM -1.6 10:19 AM 7.1 2:38 PM 6.5 7:30 PM 7.2
7:11 AM
6:55 PM
9:13 PM
1:51 PM
Waning Gibbous · 71%
Fri, Oct 2 3:14 AM -1.5 11:45 AM 7.2 3:52 PM 6.9 8:02 PM 6.9
7:13 AM
6:53 PM
10:20 PM
2:58 PM
Last Quarter · 59%
Sat, Oct 3 4:15 AM -1.2 1:07 PM 7.3 5:42 PM 7.0 9:01 PM 6.5
7:14 AM
6:51 PM
11:40 PM
3:50 PM
Last Quarter · 48%

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