Washington
Roche Harbor, San Juan Island — Tide Calendar
September 2026 · Local station time · Heights in ft (MLLW) · Negative tides only| Date | Tide Curve | High & Low Tides | Sun | Moon |
|---|---|---|---|---|
| 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%
|
|
| 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