Cos Cob Harbor Location

Cos Cob Harbor Monthly Tide Charts

December, 2025

Sunday Monday Tuesday Wednesday Thursday Friday Saturday

1

Tide Chart for 12/1
Tide Time Height
Low 1:18 AM 0.17 ft
High 7:26 AM 7.98 ft
Low 2:03 PM -0.16 ft
High 7:58 PM 7.11 ft

2

Tide Chart for 12/2
Tide Time Height
Low 2:11 AM -0.05 ft
High 8:19 AM 8.41 ft
Low 2:58 PM -0.57 ft
High 8:52 PM 7.3 ft

3

Tide Chart for 12/3
Tide Time Height
Low 3:03 AM -0.24 ft
High 9:10 AM 8.74 ft
Low 3:52 PM -0.87 ft
High 9:45 PM 7.43 ft

4

Tide Chart for 12/4
Tide Time Height
Low 3:56 AM -0.38 ft
High 10:01 AM 8.91 ft
Low 4:44 PM -1.02 ft
High 10:37 PM 7.49 ft

5

Tide Chart for 12/5
Tide Time Height
Low 4:48 AM -0.42 ft
High 10:53 AM 8.89 ft
Low 5:36 PM -1 ft
High 11:30 PM 7.47 ft

6

Tide Chart for 12/6
Tide Time Height
Low 5:42 AM -0.37 ft
High 11:46 AM 8.7 ft
Low 6:29 PM -0.85 ft

7

Tide Chart for 12/7
Tide Time Height
High 12:24 AM 7.37 ft
Low 6:36 AM -0.2 ft
High 12:41 PM 8.37 ft
Low 7:22 PM -0.59 ft

8

Tide Chart for 12/8
Tide Time Height
High 1:19 AM 7.23 ft
Low 7:33 AM 0.04 ft
High 1:37 PM 7.96 ft
Low 8:16 PM -0.29 ft

9

Tide Chart for 12/9
Tide Time Height
High 2:15 AM 7.09 ft
Low 8:31 AM 0.32 ft
High 2:34 PM 7.5 ft
Low 9:12 PM 0.01 ft

10

Tide Chart for 12/10
Tide Time Height
High 3:13 AM 6.98 ft
Low 9:33 AM 0.57 ft
High 3:33 PM 7.05 ft
Low 10:08 PM 0.28 ft

11

Tide Chart for 12/11
Tide Time Height
High 4:11 AM 6.91 ft
Low 10:35 AM 0.74 ft
High 4:33 PM 6.66 ft
Low 11:03 PM 0.5 ft

12

Tide Chart for 12/12
Tide Time Height
High 5:09 AM 6.9 ft
Low 11:38 AM 0.8 ft
High 5:33 PM 6.36 ft
Low 11:58 PM 0.68 ft

13

Tide Chart for 12/13
Tide Time Height
High 6:06 AM 6.94 ft
Low 12:37 PM 0.75 ft
High 6:33 PM 6.19 ft

14

Tide Chart for 12/14
Tide Time Height
Low 12:50 AM 0.79 ft
High 7:00 AM 7.03 ft
Low 1:33 PM 0.61 ft
High 7:30 PM 6.14 ft

15

Tide Chart for 12/15
Tide Time Height
Low 1:40 AM 0.85 ft
High 7:50 AM 7.13 ft
Low 2:24 PM 0.44 ft
High 8:21 PM 6.2 ft

16

Tide Chart for 12/16
Tide Time Height
Low 2:28 AM 0.86 ft
High 8:35 AM 7.23 ft
Low 3:10 PM 0.27 ft
High 9:08 PM 6.29 ft

17

Tide Chart for 12/17
Tide Time Height
Low 3:12 AM 0.83 ft
High 9:18 AM 7.29 ft
Low 3:53 PM 0.13 ft
High 9:50 PM 6.39 ft

18

Tide Chart for 12/18
Tide Time Height
Low 3:55 AM 0.78 ft
High 9:58 AM 7.32 ft
Low 4:33 PM 0.05 ft
High 10:31 PM 6.46 ft

19

Tide Chart for 12/19
Tide Time Height
Low 4:36 AM 0.73 ft
High 10:37 AM 7.32 ft
Low 5:11 PM 0 ft
High 11:10 PM 6.5 ft

20

Tide Chart for 12/20
Tide Time Height
Low 5:15 AM 0.69 ft
High 11:16 AM 7.3 ft
Low 5:50 PM 0 ft
High 11:48 PM 6.51 ft

21

Tide Chart for 12/21
Tide Time Height
Low 5:54 AM 0.66 ft
High 11:55 AM 7.27 ft
Low 6:28 PM 0.01 ft

22

Tide Chart for 12/22
Tide Time Height
High 12:27 AM 6.51 ft
Low 6:34 AM 0.65 ft
High 12:34 PM 7.23 ft
Low 7:07 PM 0.02 ft

23

Tide Chart for 12/23
Tide Time Height
High 1:07 AM 6.54 ft
Low 7:15 AM 0.64 ft
High 1:15 PM 7.17 ft
Low 7:47 PM 0.04 ft

24

Tide Chart for 12/24
Tide Time Height
High 1:48 AM 6.6 ft
Low 7:59 AM 0.63 ft
High 1:58 PM 7.09 ft
Low 8:29 PM 0.06 ft

25

Tide Chart for 12/25
Tide Time Height
High 2:32 AM 6.71 ft
Low 8:47 AM 0.61 ft
High 2:45 PM 6.97 ft
Low 9:13 PM 0.09 ft

26

Tide Chart for 12/26
Tide Time Height
High 3:18 AM 6.86 ft
Low 9:40 AM 0.56 ft
High 3:35 PM 6.81 ft
Low 10:02 PM 0.13 ft

27

Tide Chart for 12/27
Tide Time Height
High 4:08 AM 7.04 ft
Low 10:38 AM 0.46 ft
High 4:31 PM 6.64 ft
Low 10:54 PM 0.16 ft

28

Tide Chart for 12/28
Tide Time Height
High 5:01 AM 7.26 ft
Low 11:38 AM 0.29 ft
High 5:30 PM 6.52 ft
Low 11:49 PM 0.16 ft

29

Tide Chart for 12/29
Tide Time Height
High 5:58 AM 7.5 ft
Low 12:40 PM 0.05 ft
High 6:32 PM 6.49 ft

30

Tide Chart for 12/30
Tide Time Height
Low 12:47 AM 0.11 ft
High 6:57 AM 7.77 ft
Low 1:41 PM -0.23 ft
High 7:34 PM 6.58 ft

31

Tide Chart for 12/31
Tide Time Height
Low 1:46 AM -0.02 ft
High 7:56 AM 8.04 ft
Low 2:40 PM -0.52 ft
High 8:33 PM 6.67 ft