Washington

Roche Harbor, San Juan Island — Weekly Tide Table

Apr 12 – Apr 18, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Apr 12 3:12 AM 7.2 9:19 AM 5.3 12:41 PM 5.4 7:52 PM 1.2
6:31 AM
7:58 PM
4:33 AM
2:35 PM
Waning Crescent · 25%
Mon, Apr 13 3:31 AM 7.2 9:29 AM 4.4 2:06 PM 5.5 8:41 PM 1.6
6:29 AM
7:59 PM
4:51 AM
3:50 PM
Waning Crescent · 16%
Tue, Apr 14 3:46 AM 7.2 9:49 AM 3.3 3:23 PM 5.8 9:25 PM 2.1
6:27 AM
8:01 PM
5:07 AM
5:06 PM
Waning Crescent · 9%
Wed, Apr 15 4:03 AM 7.3 10:16 AM 2.0 4:33 PM 6.3 10:07 PM 2.8
6:25 AM
8:02 PM
5:22 AM
6:24 PM
Waning Crescent · 4%
Thu, Apr 16 4:23 AM 7.5 10:48 AM 0.5 5:35 PM 6.8 10:49 PM 3.6
6:23 AM
8:04 PM
5:38 AM
7:45 PM
New Moon · 1%
Fri, Apr 17 4:46 AM 7.6 11:24 AM -0.8 6:35 PM 7.2 11:32 PM 4.6
6:21 AM
8:05 PM
5:57 AM
9:10 PM
New Moon · 0%
Sat, Apr 18 5:12 AM 7.7 12:04 PM -1.9 7:34 PM 7.6
6:19 AM
8:07 PM
6:20 AM
10:36 PM
New Moon · 2%

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