Washington

Roche Harbor, San Juan Island — Weekly Tide Table

Dec 13 – Dec 19, 2026 · Local station time · Heights in ft (MLLW)
Date Tide Curve High & Low Tides Sun Moon
Sun, Dec 13 12:41 AM -0.6 8:58 AM 8.4 3:40 PM 6.7 5:35 PM 6.1
7:57 AM
4:18 PM
11:10 AM
8:57 PM
Waxing Crescent · 20%
Mon, Dec 14 1:20 AM -0.1 9:26 AM 8.4 4:37 PM 6.1 6:39 PM 5.6
7:58 AM
4:18 PM
11:27 AM
10:07 PM
Waxing Crescent · 28%
Tue, Dec 15 1:59 AM 0.7 9:52 AM 8.3 5:10 PM 5.3 7:59 PM 5.1
7:59 AM
4:18 PM
11:43 AM
11:18 PM
First Quarter · 37%
Wed, Dec 16 2:37 AM 1.6 10:17 AM 8.3 5:37 PM 4.3 9:32 PM 4.6
7:59 AM
4:18 PM
11:58 AM
First Quarter · 47%
Thu, Dec 17 3:18 AM 2.8 10:42 AM 8.2 6:06 PM 3.1 11:25 PM 4.6
8:00 AM
4:18 PM
12:13 PM
12:31 AM
First Quarter · 58%
Fri, Dec 18 4:04 AM 4.0 11:08 AM 8.2 6:38 PM 1.7
8:01 AM
4:18 PM
12:30 PM
1:45 AM
First Quarter · 68%
Sat, Dec 19 1:52 AM 5.2 5:04 AM 5.3 11:34 AM 8.2 7:13 PM 0.3
8:01 AM
4:19 PM
12:50 PM
3:03 AM
Waxing Gibbous · 78%

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