Washington

Roche Harbor, San Juan Island — Weekly Tide Table

Mar 8 – Mar 14, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Mar 8 1:23 AM 4.9 7:04 AM 7.4 2:08 PM 0.7 9:50 PM 6.2
6:43 AM
6:06 PM
8:22 AM
Waning Gibbous · 73%
Mon, Mar 9 3:11 AM 5.8 8:28 AM 7.1 3:53 PM 0.6
7:41 AM
7:07 PM
1:41 AM
9:48 AM
Last Quarter · 64%
Tue, Mar 10 12:38 AM 6.4 4:15 AM 6.5 8:55 AM 6.8 4:45 PM 0.7
7:39 AM
7:09 PM
2:47 AM
10:23 AM
Last Quarter · 55%
Wed, Mar 11 2:18 AM 6.7 5:56 AM 7.0 9:24 AM 6.6 5:45 PM 0.8
7:37 AM
7:11 PM
3:46 AM
11:08 AM
Last Quarter · 46%
Thu, Mar 12 3:21 AM 7.0 8:57 AM 6.9 10:11 AM 6.3 6:51 PM 0.8
7:35 AM
7:12 PM
4:35 AM
12:04 PM
Last Quarter · 37%
Fri, Mar 13 4:03 AM 7.2 9:49 AM 6.7 11:31 AM 6.2 7:54 PM 0.7
7:33 AM
7:14 PM
5:15 AM
1:10 PM
Waning Crescent · 28%
Sat, Mar 14 4:32 AM 7.3 10:00 AM 6.4 12:53 PM 6.1 8:46 PM 0.5
7:31 AM
7:15 PM
5:45 AM
2:21 PM
Waning Crescent · 19%

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