Washington
Roche Harbor, San Juan Island — Tide Calendar
August 2026 · Local station time · Heights in ft (MLLW)| Date | Tide Curve | High & Low Tides | Sun | Moon |
|---|---|---|---|---|
| Sat, Aug 1 | ▼ 1:32 AM 5.0 ▲ 6:26 AM 6.2 ▼ 1:08 PM -0.1 ▲ 8:25 PM 7.8 |
5:46 AM
8:53 PM
|
↑ 9:59 PM
↓ 9:12 AM
Waning Gibbous · 90%
|
|
| Sun, Aug 2 | ▼ 2:14 AM 4.1 ▲ 7:23 AM 5.8 ▼ 1:42 PM 0.8 ▲ 8:47 PM 7.8 |
5:48 AM
8:52 PM
|
↑ 10:14 PM
↓ 10:27 AM
Waning Gibbous · 83%
|
|
| Mon, Aug 3 | ▼ 2:58 AM 3.1 ▲ 8:27 AM 5.4 ▼ 2:18 PM 1.9 ▲ 9:11 PM 7.7 |
5:49 AM
8:50 PM
|
↑ 10:31 PM
↓ 11:44 AM
Waning Gibbous · 74%
|
|
| Tue, Aug 4 | ▼ 3:45 AM 2.0 ▲ 9:43 AM 5.1 ▼ 2:54 PM 3.2 ▲ 9:37 PM 7.7 |
5:50 AM
8:49 PM
|
↑ 10:52 PM
↓ 1:04 PM
Last Quarter · 64%
|
|
| Wed, Aug 5 | ▼ 4:34 AM 1.0 ▲ 11:20 AM 5.1 ▼ 3:34 PM 4.6 ▲ 10:04 PM 7.6 |
5:52 AM
8:47 PM
|
↑ 11:17 PM
↓ 2:28 PM
Last Quarter · 52%
|
|
| Thu, Aug 6 | ▼ 5:28 AM 0.0 ▲ 1:43 PM 5.5 ▼ 4:24 PM 5.8 ▲ 10:34 PM 7.6 |
5:53 AM
8:46 PM
|
↑ 11:51 PM
↓ 3:54 PM
Last Quarter · 41%
|
|
| Fri, Aug 7 | ▼ 6:26 AM -0.8 ▲ 3:31 PM 6.3 ▼ 5:47 PM 6.7 ▲ 11:12 PM 7.5 |
5:54 AM
8:44 PM
|
↑ —
↓ 5:15 PM
Waning Crescent · 30%
|
|
| Sat, Aug 8 | ▼ 7:26 AM -1.5 ▲ 4:26 PM 6.9 ▼ 7:28 PM 7.2 |
5:56 AM
8:43 PM
|
↑ 12:39 AM
↓ 6:25 PM
Waning Crescent · 19%
|
|
| Sun, Aug 9 | ▲ 12:05 AM 7.5 ▼ 8:25 AM -2.0 ▲ 5:05 PM 7.4 ▼ 8:48 PM 7.1 |
5:57 AM
8:41 PM
|
↑ 1:43 AM
↓ 7:20 PM
Waning Crescent · 11%
|
|
| Mon, Aug 10 | ▲ 1:14 AM 7.5 ▼ 9:20 AM -2.3 ▲ 5:40 PM 7.7 ▼ 9:49 PM 6.7 |
5:58 AM
8:39 PM
|
↑ 3:00 AM
↓ 7:59 PM
Waning Crescent · 5%
|
|
| Tue, Aug 11 | ▲ 2:27 AM 7.4 ▼ 10:11 AM -2.4 ▲ 6:12 PM 7.8 ▼ 10:42 PM 6.1 |
6:00 AM
8:38 PM
|
↑ 4:25 AM
↓ 8:28 PM
New Moon · 1%
|
|
| Wed, Aug 12 | ▲ 3:38 AM 7.3 ▼ 10:58 AM -2.1 ▲ 6:42 PM 7.9 ▼ 11:32 PM 5.3 |
6:01 AM
8:36 PM
|
↑ 5:51 AM
↓ 8:49 PM
New Moon · 0%
|
|
| Thu, Aug 13 | ▲ 4:45 AM 7.1 ▼ 11:42 AM -1.5 ▲ 7:10 PM 7.9 |
6:03 AM
8:34 PM
|
↑ 7:14 AM
↓ 9:07 PM
New Moon · 2%
|
|
| Fri, Aug 14 | ▼ 12:22 AM 4.5 ▲ 5:48 AM 6.8 ▼ 12:25 PM -0.6 ▲ 7:36 PM 7.9 |
6:04 AM
8:33 PM
|
↑ 8:33 AM
↓ 9:22 PM
Waxing Crescent · 6%
|
|
| Sat, Aug 15 | ▼ 1:12 AM 3.5 ▲ 6:51 AM 6.4 ▼ 1:06 PM 0.6 ▲ 8:00 PM 7.8 |
6:05 AM
8:31 PM
|
↑ 9:49 AM
↓ 9:37 PM
Waxing Crescent · 12%
|
|
| Sun, Aug 16 | ▼ 2:03 AM 2.6 ▲ 7:56 AM 6.0 ▼ 1:48 PM 1.9 ▲ 8:24 PM 7.7 |
6:07 AM
8:29 PM
|
↑ 11:03 AM
↓ 9:52 PM
Waxing Crescent · 19%
|
|
| Mon, Aug 17 | ▼ 2:52 AM 1.8 ▲ 9:09 AM 5.7 ▼ 2:31 PM 3.3 ▲ 8:48 PM 7.5 |
6:08 AM
8:27 PM
|
↑ 12:16 PM
↓ 10:09 PM
Waxing Crescent · 28%
|
|
| Tue, Aug 18 | ▼ 3:42 AM 1.2 ▲ 10:42 AM 5.5 ▼ 3:19 PM 4.6 ▲ 9:14 PM 7.2 |
6:10 AM
8:26 PM
|
↑ 1:29 PM
↓ 10:30 PM
First Quarter · 37%
|
|
| Wed, Aug 19 | ▼ 4:32 AM 0.8 ▲ 12:40 PM 5.7 ▼ 4:19 PM 5.7 ▲ 9:41 PM 6.9 |
6:11 AM
8:24 PM
|
↑ 2:40 PM
↓ 10:56 PM
First Quarter · 47%
|
|
| Thu, Aug 20 | ▼ 5:26 AM 0.6 ▲ 2:24 PM 6.2 ▼ 5:48 PM 6.4 ▲ 10:14 PM 6.6 |
6:13 AM
8:22 PM
|
↑ 3:47 PM
↓ 11:29 PM
First Quarter · 57%
|
|
| Fri, Aug 21 | ▼ 6:24 AM 0.4 ▲ 3:33 PM 6.8 ▼ 7:52 PM 6.7 ▲ 10:57 PM 6.4 |
6:14 AM
8:20 PM
|
↑ 4:47 PM
↓ —
First Quarter · 66%
|
|
| Sat, Aug 22 | ▼ 7:24 AM 0.3 ▲ 4:20 PM 7.1 ▼ 9:30 PM 6.6 ▲ 11:57 PM 6.2 |
6:15 AM
8:18 PM
|
↑ 5:38 PM
↓ 12:13 AM
Waxing Gibbous · 74%
|
|
| Sun, Aug 23 | ▼ 8:21 AM 0.2 ▲ 4:57 PM 7.3 ▼ 10:09 PM 6.4 |
6:17 AM
8:16 PM
|
↑ 6:18 PM
↓ 1:07 AM
Waxing Gibbous · 82%
|
|
| Mon, Aug 24 | ▲ 1:05 AM 6.2 ▼ 9:11 AM 0.0 ▲ 5:27 PM 7.4 ▼ 10:29 PM 6.2 |
6:18 AM
8:14 PM
|
↑ 6:49 PM
↓ 2:10 AM
Waxing Gibbous · 89%
|
|
| Tue, Aug 25 | ▲ 2:09 AM 6.3 ▼ 9:52 AM -0.2 ▲ 5:51 PM 7.4 ▼ 10:48 PM 5.8 |
6:20 AM
8:12 PM
|
↑ 7:13 PM
↓ 3:19 AM
Waxing Gibbous · 94%
|
|
| Wed, Aug 26 | ▲ 3:08 AM 6.4 ▼ 10:28 AM -0.3 ▲ 6:10 PM 7.4 ▼ 11:11 PM 5.3 |
6:21 AM
8:10 PM
|
↑ 7:32 PM
↓ 4:31 AM
Full Moon · 98%
|
|
| Thu, Aug 27 | ▲ 4:01 AM 6.5 ▼ 11:01 AM -0.1 ▲ 6:25 PM 7.4 ▼ 11:39 PM 4.6 |
6:22 AM
8:09 PM
|
↑ 7:49 PM
↓ 5:43 AM
Full Moon · 100%
|
|
| Fri, Aug 28 | ▲ 4:53 AM 6.6 ▼ 11:34 AM 0.2 ▲ 6:40 PM 7.4 |
6:24 AM
8:07 PM
|
↑ 8:05 PM
↓ 6:56 AM
Full Moon · 100%
|
|
| Sat, Aug 29 | ▼ 12:11 AM 3.8 ▲ 5:46 AM 6.5 ▼ 12:07 PM 0.8 ▲ 6:58 PM 7.5 |
6:25 AM
8:05 PM
|
↑ 8:20 PM
↓ 8:10 AM
Full Moon · 97%
|
|
| Sun, Aug 30 | ▼ 12:46 AM 2.8 ▲ 6:41 AM 6.4 ▼ 12:41 PM 1.6 ▲ 7:19 PM 7.5 |
6:27 AM
8:03 PM
|
↑ 8:36 PM
↓ 9:25 AM
Waning Gibbous · 93%
|
|
| Mon, Aug 31 | ▼ 1:26 AM 1.8 ▲ 7:40 AM 6.3 ▼ 1:17 PM 2.7 ▲ 7:42 PM 7.5 |
6:28 AM
8:01 PM
|
↑ 8:55 PM
↓ 10:44 AM
Waning Gibbous · 86%
|
▲ high tide ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station 9449834 · view the interactive daily chart