Alaska
Constantine Harbor, Amchitka Island — Tide Calendar
December 2025 · Local station time · Heights in ft (MLLW)| Date | Tide Curve | High & Low Tides | Sun | Moon |
|---|---|---|---|---|
| Mon, Dec 1 | ▲ 12:29 PM 3.2 ▼ 7:26 PM 0.2 |
9:46 AM
5:59 PM
|
↑ 3:46 PM
↓ 5:59 AM
Waxing Gibbous · 88%
|
|
| Tue, Dec 2 | ▲ 12:41 PM 3.5 ▼ 8:12 PM -0.4 |
9:47 AM
5:59 PM
|
↑ 4:06 PM
↓ 7:30 AM
Waxing Gibbous · 94%
|
|
| Wed, Dec 3 | ▲ 1:03 PM 3.8 ▼ 9:02 PM -0.8 |
9:49 AM
5:58 PM
|
↑ 4:34 PM
↓ 9:02 AM
Full Moon · 98%
|
|
| Thu, Dec 4 | ▲ 1:35 PM 4.0 ▼ 9:54 PM -1.1 |
9:50 AM
5:58 PM
|
↑ 5:15 PM
↓ 10:30 AM
Full Moon · 100%
|
|
| Fri, Dec 5 | ▲ 2:16 PM 4.1 ▼ 10:48 PM -1.2 |
9:51 AM
5:57 PM
|
↑ 6:13 PM
↓ 11:45 AM
Full Moon · 98%
|
|
| Sat, Dec 6 | ▲ 3:06 PM 3.9 ▼ 11:41 PM -1.2 |
9:53 AM
5:57 PM
|
↑ 7:29 PM
↓ 12:41 PM
Waning Gibbous · 95%
|
|
| Sun, Dec 7 | ▲ 4:07 PM 3.7 |
9:54 AM
5:56 PM
|
↑ 8:55 PM
↓ 1:18 PM
Waning Gibbous · 88%
|
|
| Mon, Dec 8 | ▼ 12:33 AM -1.1 ▲ 11:44 AM 3.3 ▼ 1:18 PM 3.2 ▲ 5:19 PM 3.3 |
9:55 AM
5:56 PM
|
↑ 10:22 PM
↓ 1:44 PM
Waning Gibbous · 80%
|
|
| Tue, Dec 9 | ▼ 1:22 AM -0.8 ▲ 11:45 AM 3.2 ▼ 3:02 PM 2.8 ▲ 6:42 PM 2.8 |
9:56 AM
5:56 PM
|
↑ 11:46 PM
↓ 2:02 PM
Waning Gibbous · 71%
|
|
| Wed, Dec 10 | ▼ 2:07 AM -0.4 ▲ 11:57 AM 3.1 ▼ 4:19 PM 2.3 ▲ 8:17 PM 2.4 |
9:57 AM
5:55 PM
|
↑ —
↓ 2:15 PM
Last Quarter · 61%
|
|
| Thu, Dec 11 | ▼ 2:47 AM 0.1 ▲ 12:11 PM 3.0 ▼ 5:20 PM 1.7 ▲ 10:04 PM 1.9 |
9:58 AM
5:55 PM
|
↑ 1:06 AM
↓ 2:26 PM
Last Quarter · 50%
|
|
| Fri, Dec 12 | ▼ 3:21 AM 0.6 ▲ 12:24 PM 3.0 ▼ 6:12 PM 1.2 |
9:59 AM
5:55 PM
|
↑ 2:22 AM
↓ 2:37 PM
Last Quarter · 40%
|
|
| Sat, Dec 13 | ▲ 12:14 AM 1.6 ▼ 3:45 AM 1.1 ▲ 12:32 PM 3.0 ▼ 6:56 PM 0.7 |
10:00 AM
5:55 PM
|
↑ 3:36 AM
↓ 2:47 PM
Waning Crescent · 31%
|
|
| Sun, Dec 14 | ▲ 12:35 PM 3.0 ▼ 7:35 PM 0.4 |
10:01 AM
5:55 PM
|
↑ 4:49 AM
↓ 2:58 PM
Waning Crescent · 22%
|
|
| Mon, Dec 15 | ▲ 12:30 PM 3.1 ▼ 8:11 PM 0.1 |
10:02 AM
5:55 PM
|
↑ 6:02 AM
↓ 3:11 PM
Waning Crescent · 15%
|
|
| Tue, Dec 16 | ▲ 12:19 PM 3.2 ▼ 8:44 PM -0.1 |
10:03 AM
5:55 PM
|
↑ 7:15 AM
↓ 3:29 PM
Waning Crescent · 9%
|
|
| Wed, Dec 17 | ▲ 12:05 PM 3.4 ▼ 9:18 PM -0.2 |
10:04 AM
5:55 PM
|
↑ 8:27 AM
↓ 3:53 PM
Waning Crescent · 4%
|
|
| Thu, Dec 18 | ▲ 12:04 PM 3.6 ▼ 9:53 PM -0.3 |
10:04 AM
5:56 PM
|
↑ 9:35 AM
↓ 4:28 PM
New Moon · 1%
|
|
| Fri, Dec 19 | ▲ 12:17 PM 3.7 ▼ 10:29 PM -0.4 |
10:05 AM
5:56 PM
|
↑ 10:33 AM
↓ 5:15 PM
New Moon · 0%
|
|
| Sat, Dec 20 | ▲ 12:36 PM 3.7 ▼ 11:06 PM -0.4 |
10:06 AM
5:56 PM
|
↑ 11:20 AM
↓ 6:16 PM
New Moon · 1%
|
|
| Sun, Dec 21 | ▲ 12:55 PM 3.6 ▼ 11:42 PM -0.4 |
10:06 AM
5:57 PM
|
↑ 11:56 AM
↓ 7:27 PM
New Moon · 3%
|
|
| Mon, Dec 22 | ▲ 1:01 PM 3.5 |
10:07 AM
5:57 PM
|
↑ 12:22 PM
↓ 8:45 PM
Waxing Crescent · 7%
|
|
| Tue, Dec 23 | ▼ 12:17 AM -0.4 ▲ 12:45 PM 3.3 |
10:07 AM
5:58 PM
|
↑ 12:41 PM
↓ 10:05 PM
Waxing Crescent · 14%
|
|
| Wed, Dec 24 | ▼ 12:49 AM -0.3 ▲ 12:24 PM 3.2 |
10:08 AM
5:58 PM
|
↑ 12:57 PM
↓ 11:26 PM
Waxing Crescent · 22%
|
|
| Thu, Dec 25 | ▼ 1:18 AM -0.1 ▲ 12:00 PM 3.0 |
10:08 AM
5:59 PM
|
↑ 1:10 PM
↓ —
First Quarter · 31%
|
|
| Fri, Dec 26 | ▼ 1:42 AM 0.3 ▲ 11:35 AM 2.9 |
10:08 AM
6:00 PM
|
↑ 1:23 PM
↓ 12:48 AM
First Quarter · 42%
|
|
| Sat, Dec 27 | ▼ 1:59 AM 0.7 ▲ 11:19 AM 2.9 ▼ 5:26 PM 1.3 ▲ 10:38 PM 1.5 |
10:09 AM
6:00 PM
|
↑ 1:36 PM
↓ 2:10 AM
First Quarter · 53%
|
|
| Sun, Dec 28 | ▼ 1:57 AM 1.2 ▲ 11:14 AM 3.1 ▼ 5:49 PM 0.7 |
10:09 AM
6:01 PM
|
↑ 1:50 PM
↓ 3:36 AM
First Quarter · 65%
|
|
| Mon, Dec 29 | ▲ 11:20 AM 3.4 ▼ 6:26 PM 0.1 |
10:09 AM
6:02 PM
|
↑ 2:08 PM
↓ 5:04 AM
Waxing Gibbous · 75%
|
|
| Tue, Dec 30 | ▲ 11:35 AM 3.8 ▼ 7:09 PM -0.4 |
10:09 AM
6:03 PM
|
↑ 2:33 PM
↓ 6:36 AM
Waxing Gibbous · 85%
|
|
| Wed, Dec 31 | ▲ 12:01 PM 4.1 ▼ 7:54 PM -0.8 |
10:09 AM
6:04 PM
|
↑ 3:08 PM
↓ 8:07 AM
Waxing Gibbous · 92%
|
▲ high tide ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station TWC2303 · view the interactive daily chart