Washington

Roche Harbor, San Juan Island — Weekly Tide Table

Aug 9 – Aug 15, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Aug 9 12:05 AM 7.5 8:25 AM -2.0 5:05 PM 7.4 8:48 PM 7.1
5:57 AM
8:41 PM
1:43 AM
7:20 PM
Waning Crescent · 11%
Mon, Aug 10 1:14 AM 7.5 9:20 AM -2.3 5:40 PM 7.7 9:49 PM 6.7
5:58 AM
8:39 PM
3:00 AM
7:59 PM
Waning Crescent · 5%
Tue, Aug 11 2:27 AM 7.4 10:11 AM -2.4 6:12 PM 7.8 10:42 PM 6.1
6:00 AM
8:38 PM
4:25 AM
8:28 PM
New Moon · 1%
Wed, Aug 12 3:38 AM 7.3 10:58 AM -2.1 6:42 PM 7.9 11:32 PM 5.3
6:01 AM
8:36 PM
5:51 AM
8:49 PM
New Moon · 0%
Thu, Aug 13 4:45 AM 7.1 11:42 AM -1.5 7:10 PM 7.9
6:03 AM
8:34 PM
7:14 AM
9:07 PM
New Moon · 2%
Fri, Aug 14 12:22 AM 4.5 5:48 AM 6.8 12:25 PM -0.6 7:36 PM 7.9
6:04 AM
8:33 PM
8:33 AM
9:22 PM
Waxing Crescent · 6%
Sat, Aug 15 1:12 AM 3.5 6:51 AM 6.4 1:06 PM 0.6 8:00 PM 7.8
6:05 AM
8:31 PM
9:49 AM
9:37 PM
Waxing Crescent · 12%

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