Washington

Roche Harbor, San Juan Island — Weekly Tide Table

Oct 11 – Oct 17, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Oct 11 6:41 AM 7.1 11:39 AM 4.3 5:21 PM 7.4
7:26 AM
6:35 PM
8:58 AM
6:38 PM
New Moon · 2%
Mon, Oct 12 12:05 AM -0.4 7:34 AM 7.3 12:24 PM 5.2 5:42 PM 7.2
7:27 AM
6:33 PM
10:11 AM
7:00 PM
Waxing Crescent · 5%
Tue, Oct 13 12:39 AM -0.8 8:27 AM 7.5 1:14 PM 5.9 6:04 PM 7.0
7:29 AM
6:31 PM
11:22 AM
7:28 PM
Waxing Crescent · 11%
Wed, Oct 14 1:15 AM -0.9 9:23 AM 7.5 2:12 PM 6.4 6:28 PM 6.7
7:30 AM
6:29 PM
12:28 PM
8:05 PM
Waxing Crescent · 17%
Thu, Oct 15 1:55 AM -0.7 10:23 AM 7.5 3:29 PM 6.7 6:51 PM 6.4
7:32 AM
6:27 PM
1:26 PM
8:52 PM
Waxing Crescent · 25%
Fri, Oct 16 2:39 AM -0.3 11:31 AM 7.4
7:33 AM
6:25 PM
2:13 PM
9:49 PM
First Quarter · 33%
Sat, Oct 17 3:29 AM 0.2 12:37 PM 7.4
7:35 AM
6:23 PM
2:51 PM
10:54 PM
First Quarter · 42%

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