Cos Cob Harbor Monthly Table

The tidal range at Cos Cob Harbor for the month of October, 2026 is approximately 9.36 ft with a minimum tide of -0.5 ft and maximum tide of 8.86 ft. Below is a combined tide table and solunar table. Today is highlighted in green. You can click or tap a particular row to see the details for that day. Or, you can see today’s tide and fishing time details on the Day tab.

October, 2026

▲ Blue = High Tide ▼ Red = Low Tide

Cos Cob Harbor, Connecticut — Tide predictions for Thursday, October 1, 2026 – Saturday, October 31, 2026. Local times: UTC−04:00. Heights in ft relative to MLLW.
Day	Moon phase	1^st Tide	2^nd Tide	3^rd Tide	4^th Tide	☀ Sun	Major Times	Minor Times
1 Thu	78%	3:02 AM ▲ 7.35 ft	9:12 AM ▼ 0.69 ft	3:19 PM ▲ 8.29 ft	10:03 PM ▼ 0.43 ft	▲ 6:51 AM ▼ 6:36 PM	3:39 AM → 5:39 AM 4:08 PM → 6:08 PM	12:13 PM → 1:13 PM 9:04 PM → 10:04 PM
2 Fri	68%	3:59 AM ▲ 7.09 ft	10:11 AM ▼ 0.96 ft	4:18 PM ▲ 7.98 ft	11:06 PM ▼ 0.7 ft	▲ 6:52 AM ▼ 6:35 PM	4:41 AM → 6:41 AM 5:13 PM → 7:13 PM	1:19 PM → 2:19 PM 10:07 PM → 11:07 PM
3 Sat	50%	5:01 AM ▲ 6.89 ft	11:18 AM ▼ 1.16 ft	5:24 PM ▲ 7.7 ft		▲ 6:53 AM ▼ 6:33 PM	5:44 AM → 7:44 AM 6:16 PM → 8:16 PM	2:14 PM → 3:14 PM 11:19 PM → 12:19 AM
4 Sun	45%	12:13 AM ▼ 0.84 ft	6:09 AM ▲ 6.84 ft	12:29 PM ▼ 1.2 ft	6:34 PM ▲ 7.55 ft	▲ 6:54 AM ▼ 6:31 PM	6:44 AM → 8:44 AM 7:16 PM → 9:16 PM	2:58 PM → 3:58 PM
5 Mon	34%	1:19 AM ▼ 0.81 ft	7:18 AM ▲ 7 ft	1:39 PM ▼ 1.05 ft	7:44 PM ▲ 7.56 ft	▲ 6:55 AM ▼ 6:30 PM	7:40 AM → 9:40 AM 8:11 PM → 10:11 PM	12:35 AM → 1:35 AM 3:33 PM → 4:33 PM
6 Tue	24%	2:22 AM ▼ 0.64 ft	8:23 AM ▲ 7.34 ft	2:44 PM ▼ 0.76 ft	8:48 PM ▲ 7.69 ft	▲ 6:56 AM ▼ 6:28 PM	8:32 AM → 10:32 AM 9:02 PM → 11:02 PM	1:50 AM → 2:50 AM 4:02 PM → 5:02 PM
7 Wed	15%	3:19 AM ▼ 0.41 ft	9:21 AM ▲ 7.77 ft	3:43 PM ▼ 0.43 ft	9:44 PM ▲ 7.83 ft	▲ 6:57 AM ▼ 6:26 PM	9:21 AM → 11:21 AM 9:50 PM → 11:50 PM	3:02 AM → 4:02 AM 4:27 PM → 5:27 PM
8 Thu	8%	4:09 AM ▼ 0.21 ft	10:11 AM ▲ 8.15 ft	4:36 PM ▼ 0.14 ft	10:34 PM ▲ 7.9 ft	▲ 6:58 AM ▼ 6:25 PM	10:07 AM → 12:07 PM 10:35 PM → 12:35 AM	4:13 AM → 5:13 AM 4:49 PM → 5:49 PM
9 Fri	3%	4:56 AM ▼ 0.12 ft	10:57 AM ▲ 8.42 ft	5:24 PM ▼ -0.06 ft	11:20 PM ▲ 7.88 ft	▲ 6:59 AM ▼ 6:23 PM	10:51 AM → 12:51 PM	5:21 AM → 6:21 AM 5:11 PM → 6:11 PM
10 Sat	0%	5:38 AM ▼ 0.15 ft	11:39 AM ▲ 8.53 ft	6:09 PM ▼ -0.11 ft		▲ 7:01 AM ▼ 6:22 PM	11:19 PM → 1:19 AM 11:36 AM → 1:36 PM	6:28 AM → 7:28 AM 5:34 PM → 6:34 PM
11 Sun	1%	12:04 AM ▲ 7.76 ft	6:19 AM ▼ 0.31 ft	12:19 PM ▲ 8.48 ft	6:51 PM ▼ -0.05 ft	▲ 7:02 AM ▼ 6:20 PM	12:04 AM → 2:04 AM 12:21 PM → 2:21 PM	7:35 AM → 8:35 AM 5:59 PM → 6:59 PM
12 Mon	2%	12:46 AM ▲ 7.56 ft	6:58 AM ▼ 0.55 ft	12:59 PM ▲ 8.3 ft	7:32 PM ▼ 0.13 ft	▲ 7:03 AM ▼ 6:18 PM	12:50 AM → 2:50 AM 1:08 PM → 3:08 PM	8:42 AM → 9:42 AM 6:28 PM → 7:28 PM
13 Tue	6%	1:28 AM ▲ 7.33 ft	7:38 AM ▼ 0.84 ft	1:39 PM ▲ 8.03 ft	8:13 PM ▼ 0.38 ft	▲ 7:04 AM ▼ 6:17 PM	1:38 AM → 3:38 AM 1:57 PM → 3:57 PM	9:48 AM → 10:48 AM 7:02 PM → 8:02 PM
14 Wed	11%	2:11 AM ▲ 7.07 ft	8:19 AM ▼ 1.14 ft	2:21 PM ▲ 7.72 ft	8:55 PM ▼ 0.67 ft	▲ 7:05 AM ▼ 6:15 PM	2:26 AM → 4:26 AM 2:48 PM → 4:48 PM	10:51 AM → 11:51 AM 7:41 PM → 8:41 PM
15 Thu	18%	2:56 AM ▲ 6.83 ft	9:02 AM ▼ 1.42 ft	3:05 PM ▲ 7.39 ft	9:41 PM ▼ 0.97 ft	▲ 7:06 AM ▼ 6:14 PM	3:16 AM → 5:16 AM 3:39 PM → 5:39 PM	11:49 AM → 12:49 PM 8:29 PM → 9:29 PM
16 Fri	26%	3:43 AM ▲ 6.6 ft	9:50 AM ▼ 1.66 ft	3:54 PM ▲ 7.09 ft	10:30 PM ▼ 1.23 ft	▲ 7:07 AM ▼ 6:12 PM	4:04 AM → 6:04 AM 4:30 PM → 6:30 PM	12:40 PM → 1:40 PM 9:23 PM → 10:23 PM
17 Sat	34%	4:33 AM ▲ 6.43 ft	10:43 AM ▼ 1.83 ft	4:46 PM ▲ 6.85 ft	11:23 PM ▼ 1.4 ft	▲ 7:08 AM ▼ 6:11 PM	4:53 AM → 6:53 AM 5:21 PM → 7:21 PM	1:24 PM → 2:24 PM 10:23 PM → 11:23 PM
18 Sun	50%	5:27 AM ▲ 6.34 ft	11:41 AM ▼ 1.88 ft	5:43 PM ▲ 6.71 ft		▲ 7:09 AM ▼ 6:09 PM	5:41 AM → 7:41 AM 6:09 PM → 8:09 PM	2:00 PM → 3:00 PM 11:25 PM → 12:25 AM
19 Mon	53%	12:19 AM ▼ 1.45 ft	6:23 AM ▲ 6.39 ft	12:39 PM ▼ 1.79 ft	6:42 PM ▲ 6.7 ft	▲ 7:10 AM ▼ 6:08 PM	6:27 AM → 8:27 AM 6:55 PM → 8:55 PM	2:30 PM → 3:30 PM
20 Tue	63%	1:13 AM ▼ 1.36 ft	7:19 AM ▲ 6.58 ft	1:36 PM ▼ 1.56 ft	7:38 PM ▲ 6.81 ft	▲ 7:12 AM ▼ 6:06 PM	7:13 AM → 9:13 AM 7:40 PM → 9:40 PM	12:30 AM → 1:30 AM 2:56 PM → 3:56 PM
21 Wed	72%	2:04 AM ▼ 1.17 ft	8:10 AM ▲ 6.92 ft	2:30 PM ▼ 1.21 ft	8:31 PM ▲ 7.02 ft	▲ 7:13 AM ▼ 6:05 PM	7:57 AM → 9:57 AM 8:25 PM → 10:25 PM	1:34 AM → 2:34 AM 3:20 PM → 4:20 PM
22 Thu	80%	2:51 AM ▼ 0.91 ft	8:57 AM ▲ 7.34 ft	3:19 PM ▼ 0.79 ft	9:19 PM ▲ 7.26 ft	▲ 7:14 AM ▼ 6:03 PM	8:41 AM → 10:41 AM 9:09 PM → 11:09 PM	2:40 AM → 3:40 AM 3:42 PM → 4:42 PM
23 Fri	88%	3:35 AM ▼ 0.64 ft	9:40 AM ▲ 7.79 ft	4:06 PM ▼ 0.36 ft	10:04 PM ▲ 7.48 ft	▲ 7:15 AM ▼ 6:02 PM	9:25 AM → 11:25 AM 9:54 PM → 11:54 PM	3:47 AM → 4:47 AM 4:04 PM → 5:04 PM
24 Sat	94%	4:17 AM ▼ 0.4 ft	10:21 AM ▲ 8.22 ft	4:51 PM ▼ -0.03 ft	10:47 PM ▲ 7.65 ft	▲ 7:16 AM ▼ 6:01 PM	10:11 AM → 12:11 PM 10:41 PM → 12:41 AM	4:55 AM → 5:55 AM 4:27 PM → 5:27 PM
25 Sun	98%	4:59 AM ▼ 0.21 ft	11:01 AM ▲ 8.57 ft	5:36 PM ▼ -0.33 ft	11:31 PM ▲ 7.75 ft	▲ 7:17 AM ▼ 5:59 PM	11:01 AM → 1:01 PM	6:08 AM → 7:08 AM 4:54 PM → 5:54 PM
26 Mon	100%	5:42 AM ▼ 0.09 ft	11:43 AM ▲ 8.79 ft	6:21 PM ▼ -0.49 ft		▲ 7:18 AM ▼ 5:58 PM	11:32 PM → 1:32 AM 11:54 AM → 1:54 PM	7:23 AM → 8:23 AM 5:26 PM → 6:26 PM
27 Tue	99%	12:16 AM ▲ 7.75 ft	6:26 AM ▼ 0.07 ft	12:28 PM ▲ 8.86 ft	7:08 PM ▼ -0.5 ft	▲ 7:19 AM ▼ 5:56 PM	12:28 AM → 2:28 AM 12:53 PM → 2:53 PM	8:41 AM → 9:41 AM 6:06 PM → 7:06 PM
28 Wed	95%	1:03 AM ▲ 7.66 ft	7:12 AM ▼ 0.14 ft	1:16 PM ▲ 8.77 ft	7:58 PM ▼ -0.36 ft	▲ 7:21 AM ▼ 5:55 PM	1:28 AM → 3:28 AM 1:58 PM → 3:58 PM	9:58 AM → 10:58 AM 6:58 PM → 7:58 PM
29 Thu	89%	1:54 AM ▲ 7.49 ft	8:03 AM ▼ 0.31 ft	2:08 PM ▲ 8.54 ft	8:51 PM ▼ -0.1 ft	▲ 7:22 AM ▼ 5:54 PM	2:32 AM → 4:32 AM 3:04 PM → 5:04 PM	11:09 AM → 12:09 PM 7:59 PM → 8:59 PM
30 Fri	81%	2:48 AM ▲ 7.29 ft	9:00 AM ▼ 0.54 ft	3:05 PM ▲ 8.21 ft	9:50 PM ▼ 0.19 ft	▲ 7:23 AM ▼ 5:53 PM	3:36 AM → 5:36 AM 4:09 PM → 6:09 PM	12:09 PM → 1:09 PM 9:10 PM → 10:10 PM
31 Sat	71%	3:47 AM ▲ 7.11 ft	10:02 AM ▼ 0.77 ft	4:07 PM ▲ 7.85 ft	10:52 PM ▼ 0.43 ft	▲ 7:24 AM ▼ 5:51 PM	4:39 AM → 6:39 AM 5:12 PM → 7:12 PM	12:58 PM → 1:58 PM 10:26 PM → 11:26 PM

About these predictions

Tide heights are predictions, not measurements. Wind, air pressure, storms, and river flow can cause actual water levels to differ. Not for navigation.

Tide prediction source: NOAA
Vertical datum: MLLW — Mean Lower Low Water