Washington

Roche Harbor, San Juan Island — Weekly Tide Table

Jul 5 – Jul 11, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Jul 5 4:05 AM 4.9 8:11 AM 5.2 2:48 PM 0.6 10:14 PM 7.9
5:17 AM
9:18 PM
11:53 PM
11:29 AM
Waning Gibbous · 70%
Mon, Jul 6 4:50 AM 3.8 9:27 AM 4.7 3:25 PM 1.8 10:39 PM 7.9
5:18 AM
9:18 PM
12:45 PM
Last Quarter · 60%
Tue, Jul 7 5:35 AM 2.6 11:00 AM 4.4 4:04 PM 3.1 11:05 PM 7.8
5:19 AM
9:17 PM
12:09 AM
2:04 PM
Last Quarter · 49%
Wed, Jul 8 6:20 AM 1.3 1:07 PM 4.6 4:51 PM 4.5 11:32 PM 7.8
5:19 AM
9:17 PM
12:27 AM
3:26 PM
Last Quarter · 37%
Thu, Jul 9 7:08 AM -0.1 3:25 PM 5.5 5:57 PM 5.8
5:20 AM
9:16 PM
12:49 AM
4:51 PM
Waning Crescent · 27%
Fri, Jul 10 12:02 AM 7.9 7:56 AM -1.3 4:38 PM 6.5 7:21 PM 6.8
5:21 AM
9:16 PM
1:18 AM
6:16 PM
Waning Crescent · 17%
Sat, Jul 11 12:36 AM 7.9 8:45 AM -2.3 5:26 PM 7.2 8:40 PM 7.3
5:22 AM
9:15 PM
1:57 AM
7:34 PM
Waning Crescent · 9%

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