Alaska
Constantine Harbor, Amchitka Island — Tide Calendar
September 2025 · Local station time · Heights in ft (MLLW)| Date | Tide Curve | High & Low Tides | Sun | Moon |
|---|---|---|---|---|
| Mon, Sep 1 | ▼ 6:14 AM -0.2 ▲ 10:45 PM 2.9 |
8:16 AM
9:52 PM
|
↑ 7:10 PM
↓ 12:59 AM
First Quarter · 66%
|
|
| Tue, Sep 2 | ▼ 6:58 AM -0.2 ▲ 11:23 PM 3.0 |
8:17 AM
9:50 PM
|
↑ 7:53 PM
↓ 1:53 AM
Waxing Gibbous · 75%
|
|
| Wed, Sep 3 | ▼ 7:42 AM -0.3 |
8:19 AM
9:48 PM
|
↑ 8:24 PM
↓ 3:01 AM
Waxing Gibbous · 83%
|
|
| Thu, Sep 4 | ▲ 12:05 AM 3.0 ▼ 8:25 AM -0.3 |
8:21 AM
9:46 PM
|
↑ 8:47 PM
↓ 4:18 AM
Waxing Gibbous · 90%
|
|
| Fri, Sep 5 | ▲ 12:52 AM 3.0 ▼ 9:06 AM -0.2 |
8:22 AM
9:43 PM
|
↑ 9:05 PM
↓ 5:40 AM
Waxing Gibbous · 95%
|
|
| Sat, Sep 6 | ▲ 1:47 AM 2.8 ▼ 9:46 AM -0.1 |
8:24 AM
9:41 PM
|
↑ 9:20 PM
↓ 7:03 AM
Full Moon · 99%
|
|
| Sun, Sep 7 | ▲ 2:58 AM 2.5 ▼ 10:24 AM 0.2 |
8:25 AM
9:39 PM
|
↑ 9:33 PM
↓ 8:26 AM
Full Moon · 100%
|
|
| Mon, Sep 8 | ▲ 4:38 AM 2.2 ▼ 11:02 AM 0.6 ▲ 7:26 PM 1.9 ▼ 11:35 PM 1.3 |
8:27 AM
9:37 PM
|
↑ 9:46 PM
↓ 9:50 AM
Full Moon · 99%
|
|
| Tue, Sep 9 | ▲ 6:44 AM 1.9 ▼ 11:39 AM 1.0 ▲ 7:25 PM 2.1 |
8:28 AM
9:34 PM
|
↑ 10:00 PM
↓ 11:16 AM
Waning Gibbous · 94%
|
|
| Wed, Sep 10 | ▼ 12:50 AM 0.7 ▲ 9:00 AM 1.9 ▼ 12:16 PM 1.5 ▲ 7:39 PM 2.4 |
8:30 AM
9:32 PM
|
↑ 10:16 PM
↓ 12:44 PM
Waning Gibbous · 88%
|
|
| Thu, Sep 11 | ▼ 1:52 AM 0.2 ▲ 8:04 PM 2.7 |
8:32 AM
9:30 PM
|
↑ 10:37 PM
↓ 2:16 PM
Waning Gibbous · 79%
|
|
| Fri, Sep 12 | ▼ 2:49 AM -0.3 ▲ 8:39 PM 3.0 |
8:33 AM
9:27 PM
|
↑ 11:07 PM
↓ 3:48 PM
Last Quarter · 69%
|
|
| Sat, Sep 13 | ▼ 3:45 AM -0.6 ▲ 9:23 PM 3.2 |
8:35 AM
9:25 PM
|
↑ 11:51 PM
↓ 5:14 PM
Last Quarter · 58%
|
|
| Sun, Sep 14 | ▼ 4:41 AM -0.8 ▲ 10:15 PM 3.2 |
8:36 AM
9:23 PM
|
↑ —
↓ 6:25 PM
Last Quarter · 46%
|
|
| Mon, Sep 15 | ▼ 5:36 AM -0.8 ▲ 11:11 PM 3.2 |
8:38 AM
9:21 PM
|
↑ 12:52 AM
↓ 7:16 PM
Last Quarter · 35%
|
|
| Tue, Sep 16 | ▼ 6:32 AM -0.7 |
8:39 AM
9:18 PM
|
↑ 2:10 AM
↓ 7:51 PM
Waning Crescent · 24%
|
|
| Wed, Sep 17 | ▲ 12:10 AM 3.1 ▼ 7:26 AM -0.5 |
8:41 AM
9:16 PM
|
↑ 3:35 AM
↓ 8:14 PM
Waning Crescent · 15%
|
|
| Thu, Sep 18 | ▲ 1:11 AM 2.9 ▼ 8:18 AM -0.3 |
8:43 AM
9:14 PM
|
↑ 5:01 AM
↓ 8:30 PM
Waning Crescent · 8%
|
|
| Fri, Sep 19 | ▲ 2:16 AM 2.6 ▼ 9:07 AM 0.0 ▲ 6:47 PM 2.1 ▼ 9:03 PM 1.9 |
8:44 AM
9:11 PM
|
↑ 6:23 AM
↓ 8:43 PM
New Moon · 3%
|
|
| Sat, Sep 20 | ▲ 3:29 AM 2.3 ▼ 9:53 AM 0.4 ▲ 6:58 PM 2.0 ▼ 10:28 PM 1.6 |
8:46 AM
9:09 PM
|
↑ 7:41 AM
↓ 8:53 PM
New Moon · 1%
|
|
| Sun, Sep 21 | ▲ 4:58 AM 2.0 ▼ 10:37 AM 0.8 ▲ 7:01 PM 1.9 ▼ 11:37 PM 1.2 |
8:47 AM
9:07 PM
|
↑ 8:55 AM
↓ 9:03 PM
New Moon · 0%
|
|
| Mon, Sep 22 | ▲ 6:49 AM 1.8 ▼ 11:20 AM 1.2 ▲ 6:56 PM 1.9 |
8:49 AM
9:04 PM
|
↑ 10:08 AM
↓ 9:13 PM
New Moon · 1%
|
|
| Tue, Sep 23 | ▼ 12:30 AM 0.9 ▲ 8:56 AM 1.9 ▼ 12:06 PM 1.6 ▲ 6:51 PM 2.0 |
8:50 AM
9:02 PM
|
↑ 11:20 AM
↓ 9:24 PM
Waxing Crescent · 4%
|
|
| Wed, Sep 24 | ▼ 1:12 AM 0.6 ▲ 10:51 AM 2.1 ▼ 1:00 PM 1.9 ▲ 6:46 PM 2.1 |
8:52 AM
9:00 PM
|
↑ 12:32 PM
↓ 9:37 PM
Waxing Crescent · 9%
|
|
| Thu, Sep 25 | ▼ 1:51 AM 0.3 ▲ 6:41 PM 2.3 |
8:54 AM
8:57 PM
|
↑ 1:45 PM
↓ 9:55 PM
Waxing Crescent · 15%
|
|
| Fri, Sep 26 | ▼ 2:29 AM 0.1 ▲ 6:39 PM 2.5 |
8:55 AM
8:55 PM
|
↑ 2:57 PM
↓ 10:20 PM
Waxing Crescent · 23%
|
|
| Sat, Sep 27 | ▼ 3:08 AM 0.0 ▲ 6:57 PM 2.6 |
8:57 AM
8:53 PM
|
↑ 4:04 PM
↓ 10:55 PM
First Quarter · 31%
|
|
| Sun, Sep 28 | ▼ 3:49 AM -0.1 ▲ 7:45 PM 2.7 |
8:58 AM
8:50 PM
|
↑ 5:03 PM
↓ 11:44 PM
First Quarter · 40%
|
|
| Mon, Sep 29 | ▼ 4:32 AM -0.2 ▲ 8:41 PM 2.8 |
9:00 AM
8:48 PM
|
↑ 5:50 PM
↓ —
First Quarter · 50%
|
|
| Tue, Sep 30 | ▼ 5:16 AM -0.2 ▲ 9:38 PM 2.8 |
9:02 AM
8:46 PM
|
↑ 6:25 PM
↓ 12:46 AM
First Quarter · 60%
|
▲ high tide ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station TWC2303 · view the interactive daily chart