Washington

Roche Harbor, San Juan Island — Weekly Tide Table

Oct 4 – Oct 10, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Oct 4 5:24 AM -0.7 2:08 PM 7.5 8:12 PM 6.5 10:47 PM 6.1
7:16 AM
6:49 PM
4:27 PM
Last Quarter · 36%
Mon, Oct 5 6:35 AM -0.2 2:53 PM 7.6 8:55 PM 5.6
7:17 AM
6:47 PM
1:06 AM
4:54 PM
Waning Crescent · 25%
Tue, Oct 6 12:32 AM 5.8 7:43 AM 0.3 3:29 PM 7.7 9:27 PM 4.6
7:18 AM
6:45 PM
2:31 AM
5:16 PM
Waning Crescent · 16%
Wed, Oct 7 2:11 AM 5.8 8:41 AM 0.9 3:59 PM 7.7 9:58 PM 3.4
7:20 AM
6:43 PM
3:54 AM
5:33 PM
Waning Crescent · 9%
Thu, Oct 8 3:36 AM 6.1 9:31 AM 1.6 4:24 PM 7.6 10:29 PM 2.3
7:21 AM
6:41 PM
5:13 AM
5:48 PM
New Moon · 3%
Fri, Oct 9 4:46 AM 6.4 10:15 AM 2.5 4:45 PM 7.6 11:00 PM 1.2
7:23 AM
6:39 PM
6:29 AM
6:04 PM
New Moon · 1%
Sat, Oct 10 5:46 AM 6.8 10:57 AM 3.4 5:03 PM 7.5 11:32 PM 0.3
7:24 AM
6:37 PM
7:44 AM
6:20 PM
New Moon · 0%

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