Washington

Roche Harbor, San Juan Island — Tide Calendar

April 2026 · Local station time · Heights in ft (MLLW)
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Minus Tides Weekly View Daily Chart
Date Tide Curve High & Low Tides Sun Moon
Wed, Apr 1 ▲ 5:21 AM 7.6 ▼ 11:27 AM 1.8 ▲ 5:59 PM 6.6 ▼ 11:20 PM 2.9
6:53 AM
7:42 PM
↑ 7:55 PM
↓ 6:38 AM
Full Moon · 100%
Thu, Apr 2 ▲ 5:37 AM 7.5 ▼ 11:58 AM 0.9 ▲ 6:52 PM 6.8
6:51 AM
7:43 PM
↑ 9:07 PM
↓ 6:52 AM
Full Moon · 99%
Fri, Apr 3 ▼ 12:00 AM 3.8 ▲ 5:54 AM 7.4 ▼ 12:29 PM 0.2 ▲ 7:44 PM 6.9
6:49 AM
7:45 PM
↑ 10:18 PM
↓ 7:08 AM
Full Moon · 97%
Sat, Apr 4 ▼ 12:41 AM 4.7 ▲ 6:13 AM 7.2 ▼ 1:03 PM -0.2 ▲ 8:35 PM 7.0
6:47 AM
7:46 PM
↑ 11:28 PM
↓ 7:26 AM
Waning Gibbous · 92%
Sun, Apr 5 ▼ 1:27 AM 5.4 ▲ 6:35 AM 7.0 ▼ 1:39 PM -0.4 ▲ 9:31 PM 7.0
6:45 AM
7:48 PM
↑ —
↓ 7:50 AM
Waning Gibbous · 86%
Mon, Apr 6 ▼ 2:18 AM 6.0 ▲ 7:00 AM 6.8 ▼ 2:18 PM -0.4 ▲ 10:34 PM 7.0
6:43 AM
7:49 PM
↑ 12:35 AM
↓ 8:21 AM
Waning Gibbous · 79%
Tue, Apr 7 ▼ 3:20 AM 6.5 ▲ 7:26 AM 6.5 ▼ 3:01 PM -0.2 ▲ 11:50 PM 7.0
6:41 AM
7:51 PM
↑ 1:37 AM
↓ 9:02 AM
Waning Gibbous · 72%
Wed, Apr 8 ▼ 4:43 AM 6.7 ▲ 7:50 AM 6.3 ▼ 3:51 PM 0.2
6:39 AM
7:52 PM
↑ 2:30 AM
↓ 9:55 AM
Last Quarter · 63%
Thu, Apr 9 ▲ 1:05 AM 7.0 ▼ 4:49 PM 0.5
6:37 AM
7:53 PM
↑ 3:13 AM
↓ 10:57 AM
Last Quarter · 53%
Fri, Apr 10 ▲ 2:04 AM 7.1 ▼ 5:52 PM 0.8
6:35 AM
7:55 PM
↑ 3:47 AM
↓ 12:07 PM
Last Quarter · 44%
Sat, Apr 11 ▲ 2:45 AM 7.1 ▼ 9:22 AM 5.9 ▲ 11:10 AM 5.5 ▼ 6:56 PM 1.0
6:33 AM
7:56 PM
↑ 4:12 AM
↓ 1:20 PM
Last Quarter · 34%
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%
Sun, Apr 19 ▼ 12:17 AM 5.4 ▲ 5:41 AM 7.7 ▼ 12:48 PM -2.5 ▲ 8:35 PM 7.7
6:17 AM
8:08 PM
↑ 6:50 AM
↓ —
Waxing Crescent · 7%
Mon, Apr 20 ▼ 1:08 AM 6.2 ▲ 6:12 AM 7.6 ▼ 1:36 PM -2.7 ▲ 9:40 PM 7.8
6:15 AM
8:10 PM
↑ 7:32 AM
↓ 12:01 AM
Waxing Crescent · 15%
Tue, Apr 21 ▼ 2:06 AM 6.7 ▲ 6:47 AM 7.4 ▼ 2:28 PM -2.5 ▲ 10:50 PM 7.7
6:13 AM
8:11 PM
↑ 8:29 AM
↓ 1:17 AM
Waxing Crescent · 24%
Wed, Apr 22 ▼ 3:21 AM 7.0 ▲ 7:29 AM 7.0 ▼ 3:25 PM -1.9
6:11 AM
8:13 PM
↑ 9:42 AM
↓ 2:17 AM
First Quarter · 34%
Thu, Apr 23 ▲ 12:00 AM 7.7 ▼ 5:06 AM 6.8 ▲ 8:26 AM 6.4 ▼ 4:27 PM -1.1
6:09 AM
8:14 PM
↑ 11:05 AM
↓ 3:02 AM
First Quarter · 46%
Fri, Apr 24 ▲ 1:02 AM 7.7 ▼ 7:46 AM 6.1 ▲ 9:54 AM 5.7 ▼ 5:34 PM -0.2
6:07 AM
8:16 PM
↑ 12:30 PM
↓ 3:33 AM
First Quarter · 57%
Sat, Apr 25 ▲ 1:52 AM 7.7 ▼ 8:40 AM 5.1 ▲ 11:41 AM 5.2 ▼ 6:41 PM 0.8
6:06 AM
8:17 PM
↑ 1:53 PM
↓ 3:57 AM
First Quarter · 68%
Sun, Apr 26 ▲ 2:32 AM 7.7 ▼ 9:16 AM 4.0 ▲ 1:39 PM 5.0 ▼ 7:44 PM 1.7
6:04 AM
8:19 PM
↑ 3:12 PM
↓ 4:15 AM
Waxing Gibbous · 78%
Mon, Apr 27 ▲ 3:05 AM 7.6 ▼ 9:44 AM 2.9 ▲ 3:19 PM 5.3 ▼ 8:40 PM 2.6
6:02 AM
8:20 PM
↑ 4:27 PM
↓ 4:30 AM
Waxing Gibbous · 86%
Tue, Apr 28 ▲ 3:31 AM 7.5 ▼ 10:09 AM 1.8 ▲ 4:33 PM 5.9 ▼ 9:30 PM 3.5
6:00 AM
8:22 PM
↑ 5:40 PM
↓ 4:44 AM
Waxing Gibbous · 92%
Wed, Apr 29 ▲ 3:51 AM 7.4 ▼ 10:33 AM 0.8 ▲ 5:34 PM 6.4 ▼ 10:15 PM 4.3
5:59 AM
8:23 PM
↑ 6:52 PM
↓ 4:58 AM
Full Moon · 97%
Thu, Apr 30 ▲ 4:07 AM 7.3 ▼ 10:58 AM -0.1 ▲ 6:26 PM 6.9 ▼ 11:00 PM 5.1
5:57 AM
8:24 PM
↑ 8:04 PM
↓ 5:13 AM
Full Moon · 99%

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