Connecticut

Cos Cob Harbor — Tide Calendar

September 2026 · Local station time · Heights in ft (MLLW)
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Minus Tides Weekly View Daily Chart
Date Tide Curve High & Low Tides Sun Moon
Tue, Sep 1 ▲ 2:32 AM 7.6 ▼ 8:45 AM 0.4 ▲ 2:50 PM 8.3 ▼ 9:25 PM 0.4
6:21 AM
7:31 PM
↑ 9:19 PM
↓ 11:15 AM
Waning Gibbous · 79%
Wed, Sep 2 ▲ 3:20 AM 7.4 ▼ 9:31 AM 0.6 ▲ 3:38 PM 8.2 ▼ 10:18 PM 0.5
6:22 AM
7:29 PM
↑ 9:56 PM
↓ 12:31 PM
Last Quarter · 69%
Thu, Sep 3 ▲ 4:13 AM 7.1 ▼ 10:24 AM 0.9 ▲ 4:32 PM 8.1 ▼ 11:19 PM 0.7
6:23 AM
7:27 PM
↑ 10:42 PM
↓ 1:48 PM
Last Quarter · 57%
Fri, Sep 4 ▲ 5:12 AM 6.8 ▼ 11:26 AM 1.1 ▲ 5:34 PM 7.9
6:24 AM
7:26 PM
↑ 11:40 PM
↓ 3:01 PM
Last Quarter · 46%
Sat, Sep 5 ▼ 12:25 AM 0.9 ▲ 6:18 AM 6.7 ▼ 12:34 PM 1.2 ▲ 6:43 PM 7.8
6:25 AM
7:24 PM
↑ —
↓ 4:05 PM
Last Quarter · 34%
Sun, Sep 6 ▼ 1:32 AM 0.9 ▲ 7:28 AM 6.8 ▼ 1:44 PM 1.1 ▲ 7:53 PM 7.8
6:26 AM
7:22 PM
↑ 12:49 AM
↓ 4:57 PM
Waning Crescent · 23%
Mon, Sep 7 ▼ 2:37 AM 0.7 ▲ 8:34 AM 7.1 ▼ 2:51 PM 0.9 ▲ 8:59 PM 8.0
6:27 AM
7:21 PM
↑ 2:05 AM
↓ 5:39 PM
Waning Crescent · 14%
Tue, Sep 8 ▼ 3:37 AM 0.4 ▲ 9:35 AM 7.5 ▼ 3:52 PM 0.5 ▲ 9:57 PM 8.2
6:28 AM
7:19 PM
↑ 3:24 AM
↓ 6:12 PM
Waning Crescent · 7%
Wed, Sep 9 ▼ 4:31 AM 0.1 ▲ 10:29 AM 7.9 ▼ 4:49 PM 0.2 ▲ 10:50 PM 8.3
6:29 AM
7:17 PM
↑ 4:40 AM
↓ 6:39 PM
New Moon · 2%
Thu, Sep 10 ▼ 5:19 AM -0.1 ▲ 11:18 AM 8.3 ▼ 5:40 PM 0.0 ▲ 11:39 PM 8.3
6:30 AM
7:16 PM
↑ 5:53 AM
↓ 7:03 PM
New Moon · 0%
Fri, Sep 11 ▼ 6:04 AM -0.1 ▲ 12:03 PM 8.5 ▼ 6:28 PM -0.1
6:31 AM
7:14 PM
↑ 7:04 AM
↓ 7:25 PM
New Moon · 1%
Sat, Sep 12 ▲ 12:25 AM 8.2 ▼ 6:47 AM 0.0 ▲ 12:47 PM 8.5 ▼ 7:14 PM 0.0
6:32 AM
7:12 PM
↑ 8:12 AM
↓ 7:47 PM
New Moon · 3%
Sun, Sep 13 ▲ 1:10 AM 7.9 ▼ 7:28 AM 0.2 ▲ 1:30 PM 8.4 ▼ 7:59 PM 0.1
6:33 AM
7:11 PM
↑ 9:19 AM
↓ 8:09 PM
Waxing Crescent · 8%
Mon, Sep 14 ▲ 1:55 AM 7.6 ▼ 8:09 AM 0.6 ▲ 2:12 PM 8.2 ▼ 8:43 PM 0.4
6:34 AM
7:09 PM
↑ 10:25 AM
↓ 8:35 PM
Waxing Crescent · 14%
Tue, Sep 15 ▲ 2:40 AM 7.3 ▼ 8:52 AM 0.9 ▲ 2:56 PM 7.9 ▼ 9:29 PM 0.7
6:35 AM
7:07 PM
↑ 11:31 AM
↓ 9:04 PM
Waxing Crescent · 22%
Wed, Sep 16 ▲ 3:27 AM 7.0 ▼ 9:36 AM 1.3 ▲ 3:42 PM 7.6 ▼ 10:18 PM 1.0
6:36 AM
7:05 PM
↑ 12:34 PM
↓ 9:40 PM
Waxing Crescent · 30%
Thu, Sep 17 ▲ 4:16 AM 6.7 ▼ 10:26 AM 1.6 ▲ 4:31 PM 7.2 ▼ 11:10 PM 1.3
6:37 AM
7:04 PM
↑ 1:35 PM
↓ 10:22 PM
First Quarter · 39%
Fri, Sep 18 ▲ 5:09 AM 6.4 ▼ 11:20 AM 1.9 ▲ 5:26 PM 7.0
6:38 AM
7:02 PM
↑ 2:29 PM
↓ 11:12 PM
First Quarter · 49%
Sat, Sep 19 ▼ 12:06 AM 1.5 ▲ 6:07 AM 6.3 ▼ 12:19 PM 2.0 ▲ 6:25 PM 6.8
6:39 AM
7:00 PM
↑ 3:16 PM
↓ —
First Quarter · 58%
Sun, Sep 20 ▼ 1:03 AM 1.6 ▲ 7:06 AM 6.3 ▼ 1:19 PM 1.9 ▲ 7:25 PM 6.9
6:40 AM
6:59 PM
↑ 3:55 PM
↓ 12:08 AM
First Quarter · 67%
Mon, Sep 21 ▼ 1:59 AM 1.5 ▲ 8:03 AM 6.5 ▼ 2:15 PM 1.7 ▲ 8:22 PM 7.0
6:41 AM
6:57 PM
↑ 4:28 PM
↓ 1:10 AM
Waxing Gibbous · 76%
Tue, Sep 22 ▼ 2:50 AM 1.3 ▲ 8:54 AM 6.8 ▼ 3:07 PM 1.4 ▲ 9:12 PM 7.3
6:42 AM
6:55 PM
↑ 4:56 PM
↓ 2:13 AM
Waxing Gibbous · 83%
Wed, Sep 23 ▼ 3:36 AM 1.0 ▲ 9:40 AM 7.2 ▼ 3:55 PM 1.0 ▲ 9:57 PM 7.5
6:43 AM
6:53 PM
↑ 5:20 PM
↓ 3:18 AM
Waxing Gibbous · 90%
Thu, Sep 24 ▼ 4:18 AM 0.7 ▲ 10:20 AM 7.6 ▼ 4:39 PM 0.6 ▲ 10:39 PM 7.7
6:44 AM
6:52 PM
↑ 5:43 PM
↓ 4:23 AM
Waxing Gibbous · 95%
Fri, Sep 25 ▼ 4:58 AM 0.4 ▲ 10:59 AM 8.0 ▼ 5:22 PM 0.3 ▲ 11:19 PM 7.9
6:44 AM
6:50 PM
↑ 6:04 PM
↓ 5:29 AM
Full Moon · 99%
Sat, Sep 26 ▼ 5:36 AM 0.3 ▲ 11:36 AM 8.3 ▼ 6:03 PM 0.0 ▲ 11:59 PM 8.0
6:45 AM
6:48 PM
↑ 6:27 PM
↓ 6:36 AM
Full Moon · 100%
Sun, Sep 27 ▼ 6:14 AM 0.2 ▲ 12:14 PM 8.5 ▼ 6:45 PM -0.1
6:46 AM
6:47 PM
↑ 6:51 PM
↓ 7:45 AM
Full Moon · 99%
Mon, Sep 28 ▲ 12:40 AM 7.9 ▼ 6:53 AM 0.2 ▲ 12:54 PM 8.7 ▼ 7:29 PM -0.2
6:47 AM
6:45 PM
↑ 7:18 PM
↓ 8:57 AM
Waning Gibbous · 96%
Tue, Sep 29 ▲ 1:24 AM 7.8 ▼ 7:35 AM 0.3 ▲ 1:38 PM 8.7 ▼ 8:15 PM -0.1
6:48 AM
6:43 PM
↑ 7:52 PM
↓ 10:12 AM
Waning Gibbous · 90%
Wed, Sep 30 ▲ 2:11 AM 7.6 ▼ 8:21 AM 0.5 ▲ 2:26 PM 8.5 ▼ 9:06 PM 0.2
6:50 AM
6:41 PM
↑ 8:34 PM
↓ 11:29 AM
Waning Gibbous · 82%

▲ high tide   ▼ low tide · heights in ft above MLLW · predictions derived from NOAA data for station 8469549 · view the interactive daily chart