Cos Cob Harbor Sea Conditions and Tide Table

Cos Cob Harbor Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 07:18 AM and sunset is at 04:34 PM.

Days 1–3 Weather Summary

Heavy rain (total 26mm), heaviest during Sun night. Cool air temperatures (max 13°C on Sun night, min 5°C on Sat morning). Winds increasing (calm on Sat morning, fresh winds from the S by Sun night).

Days 4–6 Weather Summary

Heavy rain (total 23mm), heaviest during Tue night. Icy conditions (max 11°C on Tue night, min 0°C on Thu night). Wind will be generally light.

Days 7–9 Weather Summary

Some drizzle, heaviest during Sun night. Freeze-thaw conditions (max 3°C on Fri afternoon, min -4°C on Sat night). Winds increasing (light winds from the WNW on Sun afternoon, fresh winds from the S by Sun night).

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Mon morning. Freeze-thaw conditions (max 5°C on Mon morning, min -8°C on Wed night). Mainly fresh winds.

Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
9:11AM2.19m
9:48PM1.92m
9:55AM2.24m
10:30PM1.98m
10:37AM2.28m
11:12PM2.02m
11:20AM2.33m
11:52PM2.09m
12:02PM2.39m
00:35AM2.13m
12:46PM2.39m
1:19AM2.17m
1:33PM2.36m
2:06AM2.22m
2:23PM2.29m
2:55AM2.25m
3:17PM2.19m
3:49AM2.28m
4:16PM2.09m
4:45AM2.31m
5:19PM2.01m
5:45AM2.33m
6:23PM1.97m
6:46AM2.35m
Low Tide
3:47PM0.04m
3:51AM0.24m
4:30PM-0.02m
4:34AM0.19m
5:13PM-0.07m
5:17AM0.15m
5:55PM-0.11m
5:59AM0.07m
6:36PM-0.16m
6:44AM0.04m
7:20PM-0.17m
7:32AM0.02m
8:05PM-0.15m
8:24AM0.02m
8:53PM-0.12m
9:20AM0.02m
9:43PM-0.06m
10:20AM0.03m
10:38PM0.00m
11:23AM0.02m
11:36PM0.05m
12:28PM-0.01m
00:37AM0.09m
Wave
height (m) 
direction
period (s) 
mod rain
part cloud
light rain
rain showers
part cloud
heavy rain
clear
clear
clear
part cloud
cloud
rain showers
part cloud
rain showers
clear
cloud
part cloud
clear
part cloud
cloud
clear
part cloud
part cloud
clear
clear
part cloud
rain showers
mod rain
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
mod rain
some clouds
light rain
rain shwrs
some clouds
heavy rain
clear
clear
clear
some clouds
cloudy
rain shwrs
some clouds
rain shwrs
clear
cloudy
some clouds
clear
some clouds
cloudy
clear
some clouds
some clouds
clear
clear
some clouds
rain shwrs
mod rain
clear
clear
clear
some clouds
clear
some clouds
some clouds
clear
 km/h
0
NNW
5
SW
5
W
5
E
20
S
30
S
20
W
20
WSW
10
WSW
5
SSW
10
E
5
SE
15
WSW
30
WNW
25
WNW
20
W
20
WNW
25
W
25
W
20
W
15
W
20
NW
20
WNW
20
NW
15
NW
5
WNW
15
S
20
SSW
25
WSW
30
W
35
WNW
30
WNW
30
W
30
WNW
30
WNW
25
W
 mm 
6
2.0
4
14
22
1.0
1.0
9
max°C
6
5
7
10
12
13
11
11
8
9
10
11
9
5
4
4
3
1
2
3
2
1
2
-2
-1
0
3
5
4
-1
-1
-2
-5
-6
-6
-7
Moonrise
5:26
6:30
7:28
8:19
9:00
9:34
10:02
10:27
10:49
11:12
11:36
12:04
Moonset
2:17
3:05
4:04
5:11
6:24
7:38
8:52
10:05
11:17
12:30
1:45
Sunrise
7:18
7:18
7:18
7:18
7:18
7:18
7:18
7:18
7:18
7:18
7:18
7:18
Sunset
4:34
4:35
4:35
4:35
4:36
4:37
4:37
4:38
4:39
4:40
4:42
4:43
Today's sea temperature in Cos Cob Harbor is 5.5 °C (Statistics for 28 Dec 1981-2005 – mean: 6.9 max: 9.3 min: 4.7°C)
Issued (local time): 12 pm Saturday 28 Dec 2024
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest