Washington

Roche Harbor, San Juan Island — Weekly Tide Table

Oct 25 – Oct 31, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Oct 25 5:28 AM 6.9 10:28 AM 4.4 4:13 PM 7.7 11:02 PM -0.9
7:47 AM
6:08 PM
5:22 PM
7:23 AM
Full Moon · 100%
Mon, Oct 26 6:23 AM 7.4 11:10 AM 5.2 4:38 PM 7.7 11:39 PM -1.9
7:49 AM
6:06 PM
5:46 PM
8:45 AM
Full Moon · 99%
Tue, Oct 27 7:17 AM 7.8 11:54 AM 6.0 5:04 PM 7.7
7:50 AM
6:04 PM
6:19 PM
10:09 AM
Full Moon · 97%
Wed, Oct 28 12:20 AM -2.5 8:14 AM 8.1 12:43 PM 6.7 5:33 PM 7.7
7:52 AM
6:03 PM
7:03 PM
11:31 AM
Waning Gibbous · 91%
Thu, Oct 29 1:06 AM -2.7 9:14 AM 8.1 1:40 PM 7.1 6:04 PM 7.5
7:53 AM
6:01 PM
8:03 PM
12:44 PM
Waning Gibbous · 84%
Fri, Oct 30 1:56 AM -2.5 10:18 AM 8.1 2:51 PM 7.3 6:39 PM 7.1
7:55 AM
5:59 PM
9:18 PM
1:41 PM
Waning Gibbous · 74%
Sat, Oct 31 2:51 AM -2.0 11:23 AM 8.1 4:33 PM 7.1 7:31 PM 6.6
7:57 AM
5:57 PM
10:42 PM
2:24 PM
Last Quarter · 63%

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