Washington

Roche Harbor, San Juan Island — Weekly Tide Table

Sep 6 – Sep 12, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Sep 6 7:02 AM -1.1 3:46 PM 7.3 8:09 PM 6.8
6:36 AM
7:48 PM
12:39 AM
5:55 PM
Waning Crescent · 22%
Mon, Sep 7 12:08 AM 6.7 8:07 AM -1.1 4:23 PM 7.5 9:12 PM 6.2
6:38 AM
7:46 PM
2:02 AM
6:28 PM
Waning Crescent · 13%
Tue, Sep 8 1:35 AM 6.6 9:05 AM -1.0 4:55 PM 7.6 9:58 PM 5.3
6:39 AM
7:44 PM
3:29 AM
6:52 PM
Waning Crescent · 6%
Wed, Sep 9 2:56 AM 6.7 9:55 AM -0.7 5:23 PM 7.6 10:39 PM 4.3
6:41 AM
7:42 PM
4:53 AM
7:12 PM
New Moon · 2%
Thu, Sep 10 4:08 AM 6.7 10:39 AM -0.1 5:48 PM 7.6 11:19 PM 3.3
6:42 AM
7:40 PM
6:14 AM
7:28 PM
New Moon · 0%
Fri, Sep 11 5:13 AM 6.7 11:21 AM 0.8 6:11 PM 7.6 11:59 PM 2.3
6:43 AM
7:38 PM
7:31 AM
7:43 PM
New Moon · 1%
Sat, Sep 12 6:13 AM 6.7 12:01 PM 1.8 6:31 PM 7.5
6:45 AM
7:36 PM
8:46 AM
7:58 PM
New Moon · 4%

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