Washington
Roche Harbor, San Juan Island — Tide Calendar
May 2026 · Local station time · Heights in ft (MLLW) · Negative tides only| Date | Tide Curve | High & Low Tides | Sun | Moon |
|---|---|---|---|---|
| Fri, May 1 | ▲ 4:23 AM 7.2 ▼ 11:25 AM -0.7 ▲ 7:13 PM 7.3 ▼ 11:45 PM 5.7 |
5:55 AM
8:26 PM
|
↑ 9:14 PM
↓ 5:31 AM
Full Moon · 100%
|
|
| Sat, May 2 | ▲ 4:43 AM 7.0 ▼ 11:55 AM -1.2 ▲ 7:57 PM 7.5 |
5:53 AM
8:27 PM
|
↑ 10:23 PM
↓ 5:53 AM
Full Moon · 99%
|
|
| Sun, May 3 | ▼ 12:32 AM 6.2 ▲ 5:06 AM 6.9 ▼ 12:27 PM -1.4 ▲ 8:41 PM 7.6 |
5:52 AM
8:29 PM
|
↑ 11:28 PM
↓ 6:21 AM
Waning Gibbous · 96%
|
|
| Mon, May 4 | ▼ 1:25 AM 6.6 ▲ 5:32 AM 6.7 ▼ 1:03 PM -1.3 ▲ 9:26 PM 7.6 |
5:50 AM
8:30 PM
|
↑ —
↓ 6:58 AM
Waning Gibbous · 91%
|
|
| Tue, May 5 | ▼ 2:26 AM 6.7 ▲ 6:00 AM 6.5 ▼ 1:42 PM -1.1 ▲ 10:15 PM 7.6 |
5:49 AM
8:32 PM
|
↑ 12:24 AM
↓ 7:47 AM
Waning Gibbous · 85%
|
|
| Wed, May 6 | ▼ 3:41 AM 6.8 ▲ 6:24 AM 6.3 ▼ 2:26 PM -0.8 ▲ 11:06 PM 7.5 |
5:47 AM
8:33 PM
|
↑ 1:11 AM
↓ 8:46 AM
Waning Gibbous · 78%
|
|
| Thu, May 7 | ▼ 3:12 PM -0.3 ▲ 11:56 PM 7.4 |
5:45 AM
8:35 PM
|
↑ 1:47 AM
↓ 9:53 AM
Waning Gibbous · 69%
|
|
| Thu, May 14 | ▲ 2:42 AM 7.6 ▼ 9:42 AM -0.2 ▲ 4:58 PM 6.4 ▼ 9:29 PM 4.8 |
5:35 AM
8:44 PM
|
↑ 4:01 AM
↓ 6:47 PM
Waning Crescent · 6%
|
|
| Fri, May 15 | ▲ 3:08 AM 7.7 ▼ 10:18 AM -1.7 ▲ 5:58 PM 7.2 ▼ 10:19 PM 5.7 |
5:34 AM
8:46 PM
|
↑ 4:22 AM
↓ 8:12 PM
New Moon · 2%
|
|
| Sat, May 16 | ▲ 3:36 AM 7.8 ▼ 10:57 AM -2.8 ▲ 6:53 PM 7.8 ▼ 11:10 PM 6.4 |
5:33 AM
8:47 PM
|
↑ 4:49 AM
↓ 9:38 PM
New Moon · 0%
|
|
| Sun, May 17 | ▲ 4:08 AM 7.8 ▼ 11:41 AM -3.5 ▲ 7:46 PM 8.1 |
5:31 AM
8:49 PM
|
↑ 5:25 AM
↓ 10:59 PM
New Moon · 2%
|
|
| Mon, May 18 | ▼ 12:03 AM 6.9 ▲ 4:45 AM 7.8 ▼ 12:27 PM -3.7 ▲ 8:40 PM 8.3 |
5:30 AM
8:50 PM
|
↑ 6:16 AM
↓ —
Waxing Crescent · 6%
|
|
| Tue, May 19 | ▼ 1:02 AM 7.1 ▲ 5:28 AM 7.6 ▼ 1:17 PM -3.4 ▲ 9:34 PM 8.3 |
5:29 AM
8:51 PM
|
↑ 7:23 AM
↓ 12:06 AM
Waxing Crescent · 12%
|
|
| Wed, May 20 | ▼ 2:13 AM 7.1 ▲ 6:20 AM 7.1 ▼ 2:09 PM -2.8 ▲ 10:29 PM 8.2 |
5:28 AM
8:52 PM
|
↑ 8:43 AM
↓ 12:57 AM
Waxing Crescent · 21%
|
|
| Thu, May 21 | ▼ 3:43 AM 6.7 ▲ 7:21 AM 6.5 ▼ 3:04 PM -1.9 ▲ 11:21 PM 8.1 |
5:26 AM
8:54 PM
|
↑ 10:08 AM
↓ 1:33 AM
Waxing Crescent · 31%
|
|
| Fri, May 22 | ▼ 5:41 AM 6.0 ▲ 8:36 AM 5.7 ▼ 4:01 PM -0.7 |
5:25 AM
8:55 PM
|
↑ 11:32 AM
↓ 1:59 AM
First Quarter · 42%
|
|
| Thu, May 28 | ▲ 2:31 AM 7.3 ▼ 10:02 AM -0.5 ▲ 5:54 PM 6.9 ▼ 9:56 PM 6.1 |
5:19 AM
9:02 PM
|
↑ 7:01 PM
↓ 3:36 AM
Waxing Gibbous · 94%
|
|
| Fri, May 29 | ▲ 2:50 AM 7.2 ▼ 10:28 AM -1.1 ▲ 6:39 PM 7.4 ▼ 10:49 PM 6.6 |
5:19 AM
9:03 PM
|
↑ 8:11 PM
↓ 3:56 AM
Full Moon · 98%
|
|
| Sat, May 30 | ▲ 3:12 AM 7.0 ▼ 10:57 AM -1.5 ▲ 7:19 PM 7.8 ▼ 11:40 PM 6.9 |
5:18 AM
9:04 PM
|
↑ 9:17 PM
↓ 4:22 AM
Full Moon · 100%
|
|
| Sun, May 31 | ▲ 3:39 AM 6.9 ▼ 11:28 AM -1.7 ▲ 7:57 PM 7.9 |
5:17 AM
9:05 PM
|
↑ 10:17 PM
↓ 4:56 AM
Full Moon · 100%
|
▲ high tide ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station 9449834 · view the interactive daily chart