Washington
Roche Harbor, San Juan Island — Tide Calendar
December 2025 · Local station time · Heights in ft (MLLW)| Date | Tide Curve | High & Low Tides | Sun | Moon |
|---|---|---|---|---|
| Mon, Dec 1 | ▲ 2:12 AM 5.6 ▼ 6:29 AM 4.7 ▲ 12:42 PM 8.3 ▼ 8:01 PM -0.2 |
7:44 AM
4:21 PM
|
↑ 2:01 PM
↓ 3:49 AM
Waxing Gibbous · 87%
|
|
| Tue, Dec 2 | ▲ 3:33 AM 6.6 ▼ 7:32 AM 5.8 ▲ 1:10 PM 8.4 ▼ 8:38 PM -1.7 |
7:45 AM
4:20 PM
|
↑ 2:24 PM
↓ 5:14 AM
Waxing Gibbous · 94%
|
|
| Wed, Dec 3 | ▲ 4:34 AM 7.5 ▼ 8:31 AM 6.7 ▲ 1:40 PM 8.5 ▼ 9:19 PM -2.8 |
7:46 AM
4:20 PM
|
↑ 2:54 PM
↓ 6:42 AM
Full Moon · 98%
|
|
| Thu, Dec 4 | ▲ 5:27 AM 8.3 ▼ 9:27 AM 7.3 ▲ 2:14 PM 8.5 ▼ 10:01 PM -3.5 |
7:48 AM
4:20 PM
|
↑ 3:36 PM
↓ 8:08 AM
Full Moon · 100%
|
|
| Fri, Dec 5 | ▲ 6:16 AM 8.8 ▼ 10:23 AM 7.7 ▲ 2:54 PM 8.4 ▼ 10:47 PM -3.7 |
7:49 AM
4:19 PM
|
↑ 4:33 PM
↓ 9:23 AM
Full Moon · 99%
|
|
| Sat, Dec 6 | ▲ 7:04 AM 9.0 ▼ 11:22 AM 7.8 ▲ 3:40 PM 8.1 ▼ 11:34 PM -3.4 |
7:50 AM
4:19 PM
|
↑ 5:45 PM
↓ 10:23 AM
Waning Gibbous · 95%
|
|
| Sun, Dec 7 | ▲ 7:51 AM 9.0 ▼ 12:29 PM 7.6 ▲ 4:34 PM 7.7 |
7:51 AM
4:19 PM
|
↑ 7:06 PM
↓ 11:07 AM
Waning Gibbous · 89%
|
|
| Mon, Dec 8 | ▼ 12:23 AM -2.7 ▲ 8:39 AM 8.9 ▼ 1:49 PM 7.2 ▲ 5:33 PM 7.1 |
7:52 AM
4:18 PM
|
↑ 8:29 PM
↓ 11:38 AM
Waning Gibbous · 81%
|
|
| Tue, Dec 9 | ▼ 1:13 AM -1.7 ▲ 9:25 AM 8.8 ▼ 3:30 PM 6.5 ▲ 6:40 PM 6.3 |
7:53 AM
4:18 PM
|
↑ 9:50 PM
↓ 12:00 PM
Waning Gibbous · 72%
|
|
| Wed, Dec 10 | ▼ 2:04 AM -0.5 ▲ 10:07 AM 8.6 ▼ 5:06 PM 5.5 ▲ 7:59 PM 5.4 |
7:54 AM
4:18 PM
|
↑ 11:07 PM
↓ 12:18 PM
Last Quarter · 62%
|
|
| Thu, Dec 11 | ▼ 2:54 AM 0.9 ▲ 10:45 AM 8.5 ▼ 6:08 PM 4.4 ▲ 9:41 PM 4.7 |
7:55 AM
4:18 PM
|
↑ —
↓ 12:32 PM
Last Quarter · 51%
|
|
| Fri, Dec 12 | ▼ 3:46 AM 2.3 ▲ 11:17 AM 8.3 ▼ 6:52 PM 3.2 |
7:56 AM
4:18 PM
|
↑ 12:21 AM
↓ 12:45 PM
Last Quarter · 41%
|
|
| Sat, Dec 13 | ▲ 12:12 AM 4.7 ▼ 4:41 AM 3.8 ▲ 11:43 AM 8.1 ▼ 7:26 PM 2.1 |
7:57 AM
4:18 PM
|
↑ 1:32 AM
↓ 12:58 PM
Last Quarter · 32%
|
|
| Sun, Dec 14 | ▲ 2:13 AM 5.3 ▼ 5:45 AM 5.1 ▲ 12:03 PM 7.9 ▼ 7:54 PM 1.1 |
7:58 AM
4:18 PM
|
↑ 2:42 AM
↓ 1:12 PM
Waning Crescent · 23%
|
|
| Mon, Dec 15 | ▲ 3:32 AM 6.3 ▼ 6:56 AM 6.2 ▲ 12:22 PM 7.7 ▼ 8:20 PM 0.3 |
7:59 AM
4:18 PM
|
↑ 3:51 AM
↓ 1:28 PM
Waning Crescent · 15%
|
|
| Tue, Dec 16 | ▲ 4:27 AM 7.2 ▼ 8:07 AM 7.0 ▲ 12:43 PM 7.6 ▼ 8:46 PM -0.4 |
7:59 AM
4:18 PM
|
↑ 5:01 AM
↓ 1:48 PM
Waning Crescent · 9%
|
|
| Wed, Dec 17 | ▲ 5:10 AM 7.8 ▼ 9:11 AM 7.5 ▲ 1:07 PM 7.5 ▼ 9:14 PM -0.9 |
8:00 AM
4:18 PM
|
↑ 6:10 AM
↓ 2:15 PM
Waning Crescent · 5%
|
|
| Thu, Dec 18 | ▲ 5:47 AM 8.2 ▼ 10:07 AM 7.7 ▲ 1:35 PM 7.4 ▼ 9:45 PM -1.2 |
8:01 AM
4:19 PM
|
↑ 7:16 AM
↓ 2:50 PM
New Moon · 2%
|
|
| Fri, Dec 19 | ▲ 6:21 AM 8.5 ▼ 10:56 AM 7.8 ▲ 2:07 PM 7.3 ▼ 10:18 PM -1.4 |
8:02 AM
4:19 PM
|
↑ 8:15 AM
↓ 3:36 PM
New Moon · 0%
|
|
| Sat, Dec 20 | ▲ 6:53 AM 8.6 ▼ 11:40 AM 7.8 ▲ 2:43 PM 7.2 ▼ 10:53 PM -1.5 |
8:02 AM
4:19 PM
|
↑ 9:05 AM
↓ 4:33 PM
New Moon · 1%
|
|
| Sun, Dec 21 | ▲ 7:24 AM 8.6 ▼ 12:24 PM 7.7 ▲ 3:21 PM 7.1 ▼ 11:30 PM -1.4 |
8:03 AM
4:20 PM
|
↑ 9:44 AM
↓ 5:41 PM
New Moon · 3%
|
|
| Mon, Dec 22 | ▲ 7:55 AM 8.6 ▼ 1:13 PM 7.5 ▲ 4:01 PM 6.9 |
8:03 AM
4:20 PM
|
↑ 10:14 AM
↓ 6:55 PM
Waxing Crescent · 7%
|
|
| Tue, Dec 23 | ▼ 12:09 AM -1.2 ▲ 8:24 AM 8.6 ▼ 2:07 PM 7.1 ▲ 4:49 PM 6.6 |
8:04 AM
4:21 PM
|
↑ 10:38 AM
↓ 8:11 PM
Waxing Crescent · 13%
|
|
| Wed, Dec 24 | ▼ 12:48 AM -0.8 ▲ 8:53 AM 8.6 ▼ 3:02 PM 6.6 ▲ 5:54 PM 6.1 |
8:04 AM
4:21 PM
|
↑ 10:57 AM
↓ 9:28 PM
Waxing Crescent · 21%
|
|
| Thu, Dec 25 | ▼ 1:28 AM -0.2 ▲ 9:20 AM 8.6 ▼ 3:51 PM 5.7 ▲ 7:14 PM 5.5 |
8:05 AM
4:22 PM
|
↑ 11:14 AM
↓ 10:46 PM
Waxing Crescent · 30%
|
|
| Fri, Dec 26 | ▼ 2:07 AM 0.8 ▲ 9:47 AM 8.5 ▼ 4:36 PM 4.5 ▲ 8:46 PM 4.9 |
8:05 AM
4:22 PM
|
↑ 11:30 AM
↓ —
First Quarter · 41%
|
|
| Sat, Dec 27 | ▼ 2:49 AM 2.1 ▲ 10:13 AM 8.5 ▼ 5:19 PM 3.2 ▲ 10:35 PM 4.7 |
8:05 AM
4:23 PM
|
↑ 11:46 AM
↓ 12:05 AM
First Quarter · 52%
|
|
| Sun, Dec 28 | ▼ 3:33 AM 3.5 ▲ 10:40 AM 8.5 ▼ 6:02 PM 1.6 |
8:05 AM
4:24 PM
|
↑ 12:04 PM
↓ 1:26 AM
First Quarter · 64%
|
|
| Mon, Dec 29 | ▲ 1:00 AM 5.1 ▼ 4:29 AM 5.0 ▲ 11:08 AM 8.5 ▼ 6:46 PM 0.1 |
8:06 AM
4:24 PM
|
↑ 12:25 PM
↓ 2:51 AM
Waxing Gibbous · 74%
|
|
| Tue, Dec 30 | ▲ 2:54 AM 6.1 ▼ 5:42 AM 6.4 ▲ 11:37 AM 8.5 ▼ 7:30 PM -1.3 |
8:06 AM
4:25 PM
|
↑ 12:52 PM
↓ 4:18 AM
Waxing Gibbous · 84%
|
|
| Wed, Dec 31 | ▲ 3:59 AM 7.2 ▼ 7:04 AM 7.3 ▲ 12:11 PM 8.5 ▼ 8:13 PM -2.3 |
8:06 AM
4:26 PM
|
↑ 1:29 PM
↓ 5:45 AM
Waxing Gibbous · 91%
|
▲ high tide ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station 9449834 · view the interactive daily chart