Name: Cos Cob Harbor Tides – Dec 2025
Start: 2025-12-01T00:00:00-07:00
End: 2025-12-31T23:59:59-07:00
Location: Cos Cob Harbor

Cos Cob Harbor Tide Chart for (Mon) December 1, 2025

Cos Cob Harbor tide chart for Monday, December 1, 2025

Cos Cob Harbor tides for Dec 1st, the sunrise is 7:00am-4:26pm and the tide times are L 1:20am 0'1" H 7:26am 8'0" L 2:04pm -0'2" H 8:00pm 7'1" .

Cos Cob Harbor Tide Chart for (Tue) December 2, 2025

Cos Cob Harbor tide chart for Tuesday, December 2, 2025

Cos Cob Harbor tides for Dec 2nd, the sunrise is 7:01am-4:26pm and the tide times are L 2:12am -0'0" H 8:19am 8'5" L 2:59pm -0'7" H 8:55pm 7'3" .

Cos Cob Harbor Tide Chart for (Wed) December 3, 2025

Cos Cob Harbor tide chart for Wednesday, December 3, 2025

Cos Cob Harbor tides for Dec 3rd, the sunrise is 7:02am-4:26pm and the tide times are L 3:05am -0'2" H 9:11am 8'9" L 3:52pm -0'11" H 9:48pm 7'5" .

Cos Cob Harbor Tide Chart for (Thu) December 4, 2025

Cos Cob Harbor tide chart for Thursday, December 4, 2025

Cos Cob Harbor tides for Dec 4th, the sunrise is 7:03am-4:26pm and the tide times are L 3:57am -0'4" H 10:03am 8'11" L 4:45pm -1'0" H 10:41pm 7'6" .

Cos Cob Harbor Tide Chart for (Fri) December 5, 2025

Cos Cob Harbor tide chart for Friday, December 5, 2025

Cos Cob Harbor tides for Dec 5th, the sunrise is 7:04am-4:25pm and the tide times are L 4:50am -0'5" H 10:56am 8'11" L 5:37pm -1'0" H 11:33pm 7'6" .

Cos Cob Harbor Tide Chart for (Sat) December 6, 2025

Cos Cob Harbor tide chart for Saturday, December 6, 2025

Cos Cob Harbor tides for Dec 6th, the sunrise is 7:05am-4:25pm and the tide times are L 5:43am -0'4" H 11:49am 8'9" L 6:30pm -0'10" .

Cos Cob Harbor Tide Chart for (Sun) December 7, 2025

Cos Cob Harbor tide chart for Sunday, December 7, 2025

Cos Cob Harbor tides for Dec 7th, the sunrise is 7:06am-4:25pm and the tide times are H 12:26am 7'5" L 6:37am -0'3" H 12:43pm 8'5" L 7:23pm -0'7" .

Cos Cob Harbor Tide Chart for (Mon) December 8, 2025

Cos Cob Harbor tide chart for Monday, December 8, 2025

Cos Cob Harbor tides for Dec 8th, the sunrise is 7:06am-4:25pm and the tide times are H 1:20am 7'4" L 7:34am -0'0" H 1:38pm 8'0" L 8:17pm -0'3" .

Cos Cob Harbor Tide Chart for (Tue) December 9, 2025

Cos Cob Harbor tide chart for Tuesday, December 9, 2025

Cos Cob Harbor tides for Dec 9th, the sunrise is 7:07am-4:25pm and the tide times are H 2:15am 7'2" L 8:33am 0'3" H 2:36pm 7'6" L 9:12pm 0'0" .

Cos Cob Harbor Tide Chart for (Wed) December 10, 2025

Cos Cob Harbor tide chart for Wednesday, December 10, 2025

Cos Cob Harbor tides for Dec 10th, the sunrise is 7:08am-4:25pm and the tide times are H 3:12am 7'1" L 9:33am 0'6" H 3:34pm 7'0" L 10:07pm 0'3" .

Cos Cob Harbor Tide Chart for (Thu) December 11, 2025

Cos Cob Harbor tide chart for Thursday, December 11, 2025

Cos Cob Harbor tides for Dec 11th, the sunrise is 7:09am-4:26pm and the tide times are H 4:10am 7'0" L 10:36am 0'8" H 4:34pm 6'8" L 11:03pm 0'6" .

Cos Cob Harbor Tide Chart for (Fri) December 12, 2025

Cos Cob Harbor tide chart for Friday, December 12, 2025

Cos Cob Harbor tides for Dec 12th, the sunrise is 7:10am-4:26pm and the tide times are H 5:08am 7'0" L 11:38am 0'8" H 5:35pm 6'4" L 11:57pm 0'8" .

Cos Cob Harbor Tide Chart for (Sat) December 13, 2025

Cos Cob Harbor tide chart for Saturday, December 13, 2025

Cos Cob Harbor tides for Dec 13th, the sunrise is 7:10am-4:26pm and the tide times are H 6:04am 7'0" L 12:37pm 0'8" H 6:33pm 6'3" .

Cos Cob Harbor Tide Chart for (Sun) December 14, 2025

Cos Cob Harbor tide chart for Sunday, December 14, 2025

Cos Cob Harbor tides for Dec 14th, the sunrise is 7:11am-4:26pm and the tide times are L 12:49am 0'9" H 6:56am 7'1" L 1:33pm 0'6" H 7:28pm 6'2" .

Cos Cob Harbor Tide Chart for (Mon) December 15, 2025

Cos Cob Harbor tide chart for Monday, December 15, 2025

Cos Cob Harbor tides for Dec 15th, the sunrise is 7:12am-4:26pm and the tide times are L 1:38am 0'10" H 7:46am 7'2" L 2:23pm 0'4" H 8:19pm 6'2" .

Cos Cob Harbor Tide Chart for (Tue) December 16, 2025

Cos Cob Harbor tide chart for Tuesday, December 16, 2025

Cos Cob Harbor tides for Dec 16th, the sunrise is 7:13am-4:27pm and the tide times are L 2:25am 0'10" H 8:32am 7'3" L 3:08pm 0'3" H 9:06pm 6'3" .

Cos Cob Harbor Tide Chart for (Wed) December 17, 2025

Cos Cob Harbor tide chart for Wednesday, December 17, 2025

Cos Cob Harbor tides for Dec 17th, the sunrise is 7:13am-4:27pm and the tide times are L 3:10am 0'10" H 9:15am 7'4" L 3:50pm 0'1" H 9:49pm 6'5" .

Cos Cob Harbor Tide Chart for (Thu) December 18, 2025

Cos Cob Harbor tide chart for Thursday, December 18, 2025

Cos Cob Harbor tides for Dec 18th, the sunrise is 7:14am-4:27pm and the tide times are L 3:52am 0'10" H 9:56am 7'4" L 4:30pm 0'0" H 10:31pm 6'6" .

Cos Cob Harbor Tide Chart for (Fri) December 19, 2025

Cos Cob Harbor tide chart for Friday, December 19, 2025

Cos Cob Harbor tides for Dec 19th, the sunrise is 7:14am-4:28pm and the tide times are L 4:33am 0'9" H 10:37am 7'4" L 5:09pm 0'0" H 11:10pm 6'6" .

Cos Cob Harbor Tide Chart for (Sat) December 20, 2025

Cos Cob Harbor tide chart for Saturday, December 20, 2025

Cos Cob Harbor tides for Dec 20th, the sunrise is 7:15am-4:28pm and the tide times are L 5:13am 0'9" H 11:15am 7'4" L 5:47pm -0'0" H 11:49pm 6'7" .

Cos Cob Harbor Tide Chart for (Sun) December 21, 2025

Cos Cob Harbor tide chart for Sunday, December 21, 2025

Cos Cob Harbor tides for Dec 21st, the sunrise is 7:16am-4:29pm and the tide times are L 5:52am 0'8" H 11:54am 7'3" L 6:26pm -0'0" .

Cos Cob Harbor Tide Chart for (Mon) December 22, 2025

Cos Cob Harbor tide chart for Monday, December 22, 2025

Cos Cob Harbor tides for Dec 22nd, the sunrise is 7:16am-4:29pm and the tide times are H 12:28am 6'7" L 6:32am 0'8" H 12:33pm 7'3" L 7:05pm -0'0" .

Cos Cob Harbor Tide Chart for (Tue) December 23, 2025

Cos Cob Harbor tide chart for Tuesday, December 23, 2025

Cos Cob Harbor tides for Dec 23rd, the sunrise is 7:16am-4:30pm and the tide times are H 1:07am 6'7" L 7:14am 0'8" H 1:13pm 7'3" L 7:46pm -0'0" .

Cos Cob Harbor Tide Chart for (Wed) December 24, 2025

Cos Cob Harbor tide chart for Wednesday, December 24, 2025

Cos Cob Harbor tides for Dec 24th, the sunrise is 7:17am-4:30pm and the tide times are H 1:48am 6'8" L 7:58am 0'8" H 1:57pm 7'1" L 8:29pm 0'0" .

Cos Cob Harbor Tide Chart for (Thu) December 25, 2025

Cos Cob Harbor tide chart for Thursday, December 25, 2025

Cos Cob Harbor tides for Dec 25th, the sunrise is 7:17am-4:31pm and the tide times are H 2:31am 6'9" L 8:46am 0'8" H 2:44pm 7'0" L 9:14pm 0'1" .

Cos Cob Harbor Tide Chart for (Fri) December 26, 2025

Cos Cob Harbor tide chart for Friday, December 26, 2025

Cos Cob Harbor tides for Dec 26th, the sunrise is 7:18am-4:32pm and the tide times are H 3:18am 6'11" L 9:39am 0'7" H 3:36pm 6'10" L 10:03pm 0'2" .

Cos Cob Harbor Tide Chart for (Sat) December 27, 2025

Cos Cob Harbor tide chart for Saturday, December 27, 2025

Cos Cob Harbor tides for Dec 27th, the sunrise is 7:18am-4:32pm and the tide times are H 4:08am 7'1" L 10:38am 0'5" H 4:33pm 6'8" L 10:55pm 0'2" .

Cos Cob Harbor Tide Chart for (Sun) December 28, 2025

Cos Cob Harbor tide chart for Sunday, December 28, 2025

Cos Cob Harbor tides for Dec 28th, the sunrise is 7:18am-4:33pm and the tide times are H 5:02am 7'4" L 11:39am 0'3" H 5:34pm 6'6" L 11:51pm 0'3" .

Cos Cob Harbor Tide Chart for (Mon) December 29, 2025

Cos Cob Harbor tide chart for Monday, December 29, 2025

Cos Cob Harbor tides for Dec 29th, the sunrise is 7:18am-4:34pm and the tide times are H 5:59am 7'7" L 12:41pm 0'0" H 6:36pm 6'6" .

Cos Cob Harbor Tide Chart for (Tue) December 30, 2025

Cos Cob Harbor tide chart for Tuesday, December 30, 2025

Cos Cob Harbor tides for Dec 30th, the sunrise is 7:19am-4:35pm and the tide times are L 12:49am 0'2" H 6:57am 7'10" L 1:42pm -0'3" H 7:37pm 6'7" .

Cos Cob Harbor Tide Chart for (Wed) December 31, 2025

Cos Cob Harbor tide chart for Wednesday, December 31, 2025

Cos Cob Harbor tides for Dec 31st, the sunrise is 7:19am-4:36pm and the tide times are L 1:47am 0'1" H 7:56am 8'1" L 2:41pm -0'6" H 8:36pm 6'9" .

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Cos Cob Harbor Tide Table for December 2025

View tide tables in a column-row format below, with a "diff" column to spot large tide height swings—great for anglers. Scroll down for a textual format, ideal for reading or sharing.

-	diff	Tides			diff	Tides			diff	Tides			diff	Tides			diff	Sun	Moon
12/1	N/A	L	0'1"	1:20AM	7'10"	H	8'0"	7:26AM	8'3"	L	-0'2"	2:04PM	7'4"	H	7'1"	8:00PM	7'2"	07:00-16:26	13:53-02:48
12/2	7'2"	L	-0'0"	2:12AM	8'6"	H	8'5"	8:19AM	9'1"	L	-0'7"	2:59PM	7'11"	H	7'3"	8:55PM	7'6"	07:01-16:26	14:24-04:06
12/3	7'6"	L	-0'2"	3:05AM	9'0"	H	8'9"	9:11AM	9'8"	L	-0'11"	3:52PM	8'4"	H	7'5"	9:48PM	7'9"	07:02-16:26	15:02-05:28
12/4	7'9"	L	-0'4"	3:57AM	9'3"	H	8'11"	10:03AM	10'0"	L	-1'0"	4:45PM	8'7"	H	7'6"	10:41PM	7'11"	07:03-16:26	15:51-06:51
12/5	7'11"	L	-0'5"	4:50AM	9'4"	H	8'11"	10:56AM	9'11"	L	-1'0"	5:37PM	8'6"	H	7'6"	11:33PM	7'11"	07:04-16:25	16:52-08:08
12/6	7'11"	L	-0'4"	5:43AM	9'1"	H	8'9"	11:49AM	9'7"	L	-0'10"	6:30PM	8'4"	-	-	-	-	07:05-16:25	18:05-09:14
12/7	8'4"	H	7'5"	12:26AM	7'8"	L	-0'3"	6:37AM	8'8"	H	8'5"	12:43PM	9'0"	L	-0'7"	7:23PM	7'11"	07:06-16:25	19:22-10:05
12/8	7'11"	H	7'4"	1:20AM	7'4"	L	-0'0"	7:34AM	8'0"	H	8'0"	1:38PM	8'3"	L	-0'3"	8:17PM	7'6"	07:06-16:25	20:38-10:45
12/9	7'6"	H	7'2"	2:15AM	6'11"	L	0'3"	8:33AM	7'3"	H	7'6"	2:36PM	7'6"	L	0'0"	9:12PM	7'1"	07:07-16:25	21:50-11:15
12/10	7'1"	H	7'1"	3:12AM	6'7"	L	0'6"	9:33AM	6'6"	H	7'0"	3:34PM	6'9"	L	0'3"	10:07PM	6'8"	07:08-16:25	22:58-11:40
12/11	6'8"	H	7'0"	4:10AM	6'4"	L	0'8"	10:36AM	6	H	6'8"	4:34PM	6'2"	L	0'6"	11:03PM	6'6"	07:09-16:26	00:00-12:01
12/12	6'6"	H	7'0"	5:08AM	6'3"	L	0'8"	11:38AM	5'8"	H	6'4"	5:35PM	5'8"	L	0'8"	11:57PM	6'4"	07:10-16:26	00:03-12:21
12/13	6'4"	H	7'0"	6:04AM	6'4"	L	0'8"	12:37PM	5'6"	H	6'3"	6:33PM	5'5"	-	-	-	-	07:10-16:26	01:05-12:40
12/14	5'5"	L	0'9"	12:49AM	6'3"	H	7'1"	6:56AM	6'6"	L	0'6"	1:33PM	5'7"	H	6'2"	7:28PM	5'3"	07:11-16:26	02:07-13:01
12/15	5'3"	L	0'10"	1:38AM	6'4"	H	7'2"	7:46AM	6'9"	L	0'4"	2:23PM	5'9"	H	6'2"	8:19PM	5'3"	07:12-16:26	03:09-13:24
12/16	5'3"	L	0'10"	2:25AM	6'4"	H	7'3"	8:32AM	7'0"	L	0'3"	3:08PM	6'0"	H	6'3"	9:06PM	5'5"	07:13-16:27	04:11-13:50
12/17	5'5"	L	0'10"	3:10AM	6'5"	H	7'4"	9:15AM	7'2"	L	0'1"	3:50PM	6'3"	H	6'5"	9:49PM	5'6"	07:13-16:27	05:14-14:22
12/18	5'6"	L	0'10"	3:52AM	6'6"	H	7'4"	9:56AM	7'3"	L	0'0"	4:30PM	6'5"	H	6'6"	10:31PM	5'8"	07:14-16:27	06:16-15:01
12/19	5'8"	L	0'9"	4:33AM	6'6"	H	7'4"	10:37AM	7'4"	L	0'0"	5:09PM	6'6"	H	6'6"	11:10PM	5'9"	07:14-16:28	07:14-15:49
12/20	5'9"	L	0'9"	5:13AM	6'7"	H	7'4"	11:15AM	7'4"	L	-0'0"	5:47PM	6'7"	H	6'7"	11:49PM	5'10"	07:15-16:28	08:06-16:44
12/21	5'10"	L	0'8"	5:52AM	6'7"	H	7'3"	11:54AM	7'4"	L	-0'0"	6:26PM	6'7"	-	-	-	-	07:16-16:29	08:50-17:46
12/22	6'7"	H	6'7"	12:28AM	5'11"	L	0'8"	6:32AM	6'6"	H	7'3"	12:33PM	7'3"	L	-0'0"	7:05PM	6'8"	07:16-16:29	09:27-18:52
12/23	6'8"	H	6'7"	1:07AM	5'11"	L	0'8"	7:14AM	6'6"	H	7'3"	1:13PM	7'3"	L	-0'0"	7:46PM	6'8"	07:16-16:30	09:58-19:59
12/24	6'8"	H	6'8"	1:48AM	6	L	0'8"	7:58AM	6'5"	H	7'1"	1:57PM	7'1"	L	0'0"	8:29PM	6'9"	07:17-16:30	10:24-21:06
12/25	6'9"	H	6'9"	2:31AM	6'1"	L	0'8"	8:46AM	6'4"	H	7'0"	2:44PM	6'11"	L	0'1"	9:14PM	6'9"	07:17-16:31	10:47-22:13
12/26	6'9"	H	6'11"	3:18AM	6'3"	L	0'7"	9:39AM	6'2"	H	6'10"	3:36PM	6'8"	L	0'2"	10:03PM	6'11"	07:18-16:32	11:08-23:22
12/27	6'11"	H	7'1"	4:08AM	6'7"	L	0'5"	10:38AM	6'2"	H	6'8"	4:33PM	6'5"	L	0'2"	10:55PM	7'1"	07:18-16:32	11:30-00:00
12/28	7'1"	H	7'4"	5:02AM	7'0"	L	0'3"	11:39AM	6'3"	H	6'6"	5:34PM	6'3"	L	0'3"	11:51PM	7'4"	07:18-16:33	11:53-00:31
12/29	7'4"	H	7'7"	5:59AM	7'6"	L	0'0"	12:41PM	6'6"	H	6'6"	6:36PM	6'4"	-	-	-	-	07:18-16:34	12:20-01:45
12/30	6'4"	L	0'2"	12:49AM	7'7"	H	7'10"	6:57AM	8'1"	L	-0'3"	1:42PM	6'10"	H	6'7"	7:37PM	6'6"	07:19-16:35	12:53-03:02
12/31	6'6"	L	0'1"	1:47AM	8'0"	H	8'1"	7:56AM	8'8"	L	-0'6"	2:41PM	7'3"	H	6'9"	8:36PM	N/A	07:19-16:36	13:35-04:22

Cos Cob Harbor Textual Tide Table for December 2025

Dec 1st (Mon)

the sunrise is 7:00am-4:26pm and the tide times are L 1:20am 0'1" H 7:26am 8'0" L 2:04pm -0'2" H 8:00pm 7'1" .

Dec 2nd (Tue)

the sunrise is 7:01am-4:26pm and the tide times are L 2:12am -0'0" H 8:19am 8'5" L 2:59pm -0'7" H 8:55pm 7'3" .

Dec 3rd (Wed)

the sunrise is 7:02am-4:26pm and the tide times are L 3:05am -0'2" H 9:11am 8'9" L 3:52pm -0'11" H 9:48pm 7'5" .

Dec 4th (Thu)

the sunrise is 7:03am-4:26pm and the tide times are L 3:57am -0'4" H 10:03am 8'11" L 4:45pm -1'0" H 10:41pm 7'6" .

Dec 5th (Fri)

the sunrise is 7:04am-4:25pm and the tide times are L 4:50am -0'5" H 10:56am 8'11" L 5:37pm -1'0" H 11:33pm 7'6" .

Dec 6th (Sat)

the sunrise is 7:05am-4:25pm and the tide times are L 5:43am -0'4" H 11:49am 8'9" L 6:30pm -0'10" .

Dec 7th (Sun)

the sunrise is 7:06am-4:25pm and the tide times are H 12:26am 7'5" L 6:37am -0'3" H 12:43pm 8'5" L 7:23pm -0'7" .

Dec 8th (Mon)

the sunrise is 7:06am-4:25pm and the tide times are H 1:20am 7'4" L 7:34am -0'0" H 1:38pm 8'0" L 8:17pm -0'3" .

Dec 9th (Tue)

the sunrise is 7:07am-4:25pm and the tide times are H 2:15am 7'2" L 8:33am 0'3" H 2:36pm 7'6" L 9:12pm 0'0" .

Dec 10th (Wed)

the sunrise is 7:08am-4:25pm and the tide times are H 3:12am 7'1" L 9:33am 0'6" H 3:34pm 7'0" L 10:07pm 0'3" .

Dec 11th (Thu)

the sunrise is 7:09am-4:26pm and the tide times are H 4:10am 7'0" L 10:36am 0'8" H 4:34pm 6'8" L 11:03pm 0'6" .

Dec 12th (Fri)

the sunrise is 7:10am-4:26pm and the tide times are H 5:08am 7'0" L 11:38am 0'8" H 5:35pm 6'4" L 11:57pm 0'8" .

Dec 13th (Sat)

the sunrise is 7:10am-4:26pm and the tide times are H 6:04am 7'0" L 12:37pm 0'8" H 6:33pm 6'3" .

Dec 14th (Sun)

the sunrise is 7:11am-4:26pm and the tide times are L 12:49am 0'9" H 6:56am 7'1" L 1:33pm 0'6" H 7:28pm 6'2" .

Dec 15th (Mon)

the sunrise is 7:12am-4:26pm and the tide times are L 1:38am 0'10" H 7:46am 7'2" L 2:23pm 0'4" H 8:19pm 6'2" .

Dec 16th (Tue)

the sunrise is 7:13am-4:27pm and the tide times are L 2:25am 0'10" H 8:32am 7'3" L 3:08pm 0'3" H 9:06pm 6'3" .

Dec 17th (Wed)

the sunrise is 7:13am-4:27pm and the tide times are L 3:10am 0'10" H 9:15am 7'4" L 3:50pm 0'1" H 9:49pm 6'5" .

Dec 18th (Thu)

the sunrise is 7:14am-4:27pm and the tide times are L 3:52am 0'10" H 9:56am 7'4" L 4:30pm 0'0" H 10:31pm 6'6" .

Dec 19th (Fri)

the sunrise is 7:14am-4:28pm and the tide times are L 4:33am 0'9" H 10:37am 7'4" L 5:09pm 0'0" H 11:10pm 6'6" .

Dec 20th (Sat)

the sunrise is 7:15am-4:28pm and the tide times are L 5:13am 0'9" H 11:15am 7'4" L 5:47pm -0'0" H 11:49pm 6'7" .

Dec 21st (Sun)

the sunrise is 7:16am-4:29pm and the tide times are L 5:52am 0'8" H 11:54am 7'3" L 6:26pm -0'0" .

Dec 22nd (Mon)

the sunrise is 7:16am-4:29pm and the tide times are H 12:28am 6'7" L 6:32am 0'8" H 12:33pm 7'3" L 7:05pm -0'0" .

Dec 23rd (Tue)

the sunrise is 7:16am-4:30pm and the tide times are H 1:07am 6'7" L 7:14am 0'8" H 1:13pm 7'3" L 7:46pm -0'0" .

Dec 24th (Wed)

the sunrise is 7:17am-4:30pm and the tide times are H 1:48am 6'8" L 7:58am 0'8" H 1:57pm 7'1" L 8:29pm 0'0" .

Dec 25th (Thu)

the sunrise is 7:17am-4:31pm and the tide times are H 2:31am 6'9" L 8:46am 0'8" H 2:44pm 7'0" L 9:14pm 0'1" .

Dec 26th (Fri)

the sunrise is 7:18am-4:32pm and the tide times are H 3:18am 6'11" L 9:39am 0'7" H 3:36pm 6'10" L 10:03pm 0'2" .

Dec 27th (Sat)

the sunrise is 7:18am-4:32pm and the tide times are H 4:08am 7'1" L 10:38am 0'5" H 4:33pm 6'8" L 10:55pm 0'2" .

Dec 28th (Sun)

the sunrise is 7:18am-4:33pm and the tide times are H 5:02am 7'4" L 11:39am 0'3" H 5:34pm 6'6" L 11:51pm 0'3" .

Dec 29th (Mon)

the sunrise is 7:18am-4:34pm and the tide times are H 5:59am 7'7" L 12:41pm 0'0" H 6:36pm 6'6" .

Dec 30th (Tue)

the sunrise is 7:19am-4:35pm and the tide times are L 12:49am 0'2" H 6:57am 7'10" L 1:42pm -0'3" H 7:37pm 6'7" .

Dec 31st (Wed)

the sunrise is 7:19am-4:36pm and the tide times are L 1:47am 0'1" H 7:56am 8'1" L 2:41pm -0'6" H 8:36pm 6'9" .

Cos Cob Harbor (Guide)

Cos Cob Harbor on Long Island Sound features productive fishing for striped bass, summer flounder, and bluefish from the harbor or small boats with lower tides revealing structure for better casting. Boat ramps at Cos Cob Harbor and the marina provide convenient launches slips and fuel for sound trips targeting tautog and black sea bass. Beaches at Cos Cob waterfront and the adjacent Greenwich parks offer sandy spots for family picnics swimming and light shore casting with harbor views. The upscale harbor setting enhances enjoyable tide planned days.

Connecticut State Parks and beaches with coastal access, day use fees, and shoreline tidepooling opportunities

Connecticut Department of Energy and Environmental Protection with current fishing regulations seasons bag size limits and area specific rules

L	1:20 am	0'1"
H	7:26 am	8'0"
L	2:04 pm	-0'2"
H	8:00 pm	7'1"
Sun:	7:00 am - 4:26 pm
Moon:	1:53 pm - 2:48 am

L	2:12 am	-0'0"
H	8:19 am	8'5"
L	2:59 pm	-0'7"
H	8:55 pm	7'3"
Sun:	7:01 am - 4:26 pm
Moon:	2:24 pm - 4:06 am

L	3:05 am	-0'2"
H	9:11 am	8'9"
L	3:52 pm	-0'11"
H	9:48 pm	7'5"
Sun:	7:02 am - 4:26 pm
Moon:	3:02 pm - 5:28 am

L	3:57 am	-0'4"
H	10:03 am	8'11"
L	4:45 pm	-1'0"
H	10:41 pm	7'6"
Sun:	7:03 am - 4:26 pm
Moon:	3:51 pm - 6:51 am

L	4:50 am	-0'5"
H	10:56 am	8'11"
L	5:37 pm	-1'0"
H	11:33 pm	7'6"
Sun:	7:04 am - 4:25 pm
Moon:	4:52 pm - 8:08 am

Cos Cob Harbor Tides December 2025 | Tide Charts & Tables | CT