Washington
Roche Harbor, San Juan Island — Tide Calendar
September 2026 · Local station time · Heights in ft (MLLW)| Date | Tide Curve | High & Low Tides | Sun | Moon |
|---|---|---|---|---|
| Tue, Sep 1 | ▼ 2:09 AM 0.9 ▲ 8:45 AM 6.1 ▼ 1:55 PM 3.8 ▲ 8:07 PM 7.4 |
6:29 AM
7:59 PM
|
↑ 9:18 PM
↓ 12:06 PM
Waning Gibbous · 77%
|
|
| Wed, Sep 2 | ▼ 2:56 AM 0.1 ▲ 10:02 AM 6.0 ▼ 2:37 PM 5.0 ▲ 8:34 PM 7.4 |
6:31 AM
7:57 PM
|
↑ 9:48 PM
↓ 1:30 PM
Last Quarter · 67%
|
|
| Thu, Sep 3 | ▼ 3:48 AM -0.5 ▲ 11:43 AM 6.1 ▼ 3:28 PM 6.0 ▲ 9:03 PM 7.2 |
6:32 AM
7:54 PM
|
↑ 10:30 PM
↓ 2:54 PM
Last Quarter · 56%
|
|
| Fri, Sep 4 | ▼ 4:47 AM -0.8 ▲ 1:39 PM 6.4 ▼ 4:42 PM 6.7 ▲ 9:40 PM 7.1 |
6:34 AM
7:52 PM
|
↑ 11:27 PM
↓ 4:09 PM
Last Quarter · 44%
|
|
| Sat, Sep 5 | ▼ 5:52 AM -1.0 ▲ 2:57 PM 6.9 ▼ 6:30 PM 7.0 ▲ 10:42 PM 6.9 |
6:35 AM
7:50 PM
|
↑ —
↓ 5:10 PM
Last Quarter · 33%
|
|
| Sun, Sep 6 | ▼ 7:02 AM -1.1 ▲ 3:46 PM 7.3 ▼ 8:09 PM 6.8 |
6:36 AM
7:48 PM
|
↑ 12:39 AM
↓ 5:55 PM
Waning Crescent · 22%
|
|
| Mon, Sep 7 | ▲ 12:08 AM 6.7 ▼ 8:07 AM -1.1 ▲ 4:23 PM 7.5 ▼ 9:12 PM 6.2 |
6:38 AM
7:46 PM
|
↑ 2:02 AM
↓ 6:28 PM
Waning Crescent · 13%
|
|
| Tue, Sep 8 | ▲ 1:35 AM 6.6 ▼ 9:05 AM -1.0 ▲ 4:55 PM 7.6 ▼ 9:58 PM 5.3 |
6:39 AM
7:44 PM
|
↑ 3:29 AM
↓ 6:52 PM
Waning Crescent · 6%
|
|
| Wed, Sep 9 | ▲ 2:56 AM 6.7 ▼ 9:55 AM -0.7 ▲ 5:23 PM 7.6 ▼ 10:39 PM 4.3 |
6:41 AM
7:42 PM
|
↑ 4:53 AM
↓ 7:12 PM
New Moon · 2%
|
|
| Thu, Sep 10 | ▲ 4:08 AM 6.7 ▼ 10:39 AM -0.1 ▲ 5:48 PM 7.6 ▼ 11:19 PM 3.3 |
6:42 AM
7:40 PM
|
↑ 6:14 AM
↓ 7:28 PM
New Moon · 0%
|
|
| Fri, Sep 11 | ▲ 5:13 AM 6.7 ▼ 11:21 AM 0.8 ▲ 6:11 PM 7.6 ▼ 11:59 PM 2.3 |
6:43 AM
7:38 PM
|
↑ 7:31 AM
↓ 7:43 PM
New Moon · 1%
|
|
| Sat, Sep 12 | ▲ 6:13 AM 6.7 ▼ 12:01 PM 1.8 ▲ 6:31 PM 7.5 |
6:45 AM
7:36 PM
|
↑ 8:46 AM
↓ 7:58 PM
New Moon · 4%
|
|
| Sun, Sep 13 | ▼ 12:38 AM 1.4 ▲ 7:13 AM 6.6 ▼ 12:42 PM 2.9 ▲ 6:52 PM 7.4 |
6:46 AM
7:34 PM
|
↑ 10:00 AM
↓ 8:14 PM
Waxing Crescent · 9%
|
|
| Mon, Sep 14 | ▼ 1:18 AM 0.7 ▲ 8:14 AM 6.6 ▼ 1:25 PM 4.0 ▲ 7:14 PM 7.2 |
6:47 AM
7:31 PM
|
↑ 11:14 AM
↓ 8:33 PM
Waxing Crescent · 15%
|
|
| Tue, Sep 15 | ▼ 1:59 AM 0.3 ▲ 9:20 AM 6.5 ▼ 2:14 PM 5.0 ▲ 7:38 PM 7.0 |
6:49 AM
7:29 PM
|
↑ 12:26 PM
↓ 8:57 PM
Waxing Crescent · 23%
|
|
| Wed, Sep 16 | ▼ 2:42 AM 0.1 ▲ 10:39 AM 6.5 ▼ 3:13 PM 5.8 ▲ 8:04 PM 6.7 |
6:50 AM
7:27 PM
|
↑ 1:35 PM
↓ 9:28 PM
First Quarter · 31%
|
|
| Thu, Sep 17 | ▼ 3:28 AM 0.2 ▲ 12:10 PM 6.6 ▼ 4:35 PM 6.4 ▲ 8:32 PM 6.3 |
6:52 AM
7:25 PM
|
↑ 2:39 PM
↓ 10:08 PM
First Quarter · 40%
|
|
| Fri, Sep 18 | ▼ 4:20 AM 0.4 ▲ 1:36 PM 6.8 ▼ 6:56 PM 6.6 ▲ 9:08 PM 6.0 |
6:53 AM
7:23 PM
|
↑ 3:33 PM
↓ 10:59 PM
First Quarter · 50%
|
|
| Sat, Sep 19 | ▼ 5:22 AM 0.7 ▲ 2:40 PM 7.0 ▼ 8:55 PM 6.3 ▲ 10:12 PM 5.8 |
6:54 AM
7:21 PM
|
↑ 4:16 PM
↓ 11:59 PM
First Quarter · 59%
|
|
| Sun, Sep 20 | ▼ 6:30 AM 0.9 ▲ 3:26 PM 7.1 ▼ 9:30 PM 6.0 ▲ 11:35 PM 5.6 |
6:56 AM
7:19 PM
|
↑ 4:50 PM
↓ —
First Quarter · 68%
|
|
| Mon, Sep 21 | ▼ 7:36 AM 0.9 ▲ 4:00 PM 7.2 ▼ 9:48 PM 5.6 |
6:57 AM
7:17 PM
|
↑ 5:16 PM
↓ 1:06 AM
Waxing Gibbous · 77%
|
|
| Tue, Sep 22 | ▲ 12:56 AM 5.7 ▼ 8:30 AM 0.9 ▲ 4:25 PM 7.2 ▼ 10:00 PM 5.2 |
6:59 AM
7:14 PM
|
↑ 5:37 PM
↓ 2:16 AM
Waxing Gibbous · 84%
|
|
| Wed, Sep 23 | ▲ 2:09 AM 5.8 ▼ 9:14 AM 0.9 ▲ 4:42 PM 7.2 ▼ 10:16 PM 4.5 |
7:00 AM
7:12 PM
|
↑ 5:55 PM
↓ 3:28 AM
Waxing Gibbous · 91%
|
|
| Thu, Sep 24 | ▲ 3:13 AM 6.1 ▼ 9:52 AM 1.1 ▲ 4:56 PM 7.2 ▼ 10:37 PM 3.6 |
7:01 AM
7:10 PM
|
↑ 6:10 PM
↓ 4:40 AM
Waxing Gibbous · 96%
|
|
| Fri, Sep 25 | ▲ 4:12 AM 6.3 ▼ 10:27 AM 1.5 ▲ 5:09 PM 7.3 ▼ 11:04 PM 2.6 |
7:03 AM
7:08 PM
|
↑ 6:25 PM
↓ 5:53 AM
Full Moon · 99%
|
|
| Sat, Sep 26 | ▲ 5:07 AM 6.5 ▼ 11:02 AM 2.1 ▲ 5:27 PM 7.4 ▼ 11:34 PM 1.4 |
7:04 AM
7:06 PM
|
↑ 6:41 PM
↓ 7:07 AM
Full Moon · 100%
|
|
| Sun, Sep 27 | ▲ 6:03 AM 6.8 ▼ 11:37 AM 2.9 ▲ 5:48 PM 7.4 |
7:06 AM
7:04 PM
|
↑ 6:58 PM
↓ 8:24 AM
Full Moon · 99%
|
|
| Mon, Sep 28 | ▼ 12:09 AM 0.3 ▲ 6:59 AM 7.0 ▼ 12:15 PM 3.9 ▲ 6:11 PM 7.5 |
7:07 AM
7:02 PM
|
↑ 7:19 PM
↓ 9:44 AM
Waning Gibbous · 95%
|
|
| Tue, Sep 29 | ▼ 12:48 AM -0.6 ▲ 7:58 AM 7.1 ▼ 12:57 PM 4.8 ▲ 6:36 PM 7.4 |
7:08 AM
7:00 PM
|
↑ 7:46 PM
↓ 11:08 AM
Waning Gibbous · 89%
|
|
| Wed, Sep 30 | ▼ 1:32 AM -1.3 ▲ 9:03 AM 7.1 ▼ 1:43 PM 5.7 ▲ 7:03 PM 7.3 |
7:10 AM
6:57 PM
|
↑ 8:23 PM
↓ 12:32 PM
Waning Gibbous · 81%
|
▲ high tide ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station 9449834 · view the interactive daily chart