Old Greenwich Sea Conditions and Tide Table

Old Greenwich 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 — and sunset is at 05:27 PM.

Days 1–4 Weather Summary

A dusting of new snow. Icy conditions (max 6°C on Tue morning, min -3°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

A light fall of snow, heaviest on Wed night. Turning milder with light rain (total 4mm) on Fri morning. Icy conditions (max 8°C on Tue afternoon, min -2°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Some drizzle, heaviest during Fri night. Freeze-thaw conditions (max 5°C on Sat morning, min -5°C on Sun night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 11°C on Thu afternoon, min -11°C on Mon night). Wind will be generally light.

Sat
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
1
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
9:19PM2.10m
9:34AM2.36m
10:00PM2.21m
10:15AM2.41m
10:38PM2.30m
10:55AM2.45m
11:17PM2.38m
11:34AM2.45m
11:55PM2.43m
12:15PM2.41m
00:35AM2.46m
12:57PM2.34m
1:18AM2.46m
1:43PM2.24m
2:05AM2.42m
2:34PM2.11m
2:57AM2.36m
3:32PM1.99m
3:58AM2.28m
4:39PM1.90m
5:06AM2.22m
5:51PM1.87m
6:19AM2.22m
7:04PM1.93m
7:30AM2.27m
8:10PM2.05m
8:34AM2.34m
Low Tide
3:16PM0.11m
3:26AM0.18m
3:57PM0.02m
4:08AM0.07m
4:35PM-0.06m
4:48AM-0.04m
5:12PM-0.13m
5:29AM-0.13m
5:49PM-0.17m
6:09AM-0.20m
6:27PM-0.18m
6:52AM-0.22m
7:08PM-0.15m
7:38AM-0.19m
7:51PM-0.08m
8:29AM-0.12m
8:41PM0.03m
9:27AM-0.02m
9:39PM0.15m
10:33AM0.08m
10:47PM0.25m
11:44AM0.13m
00:01AM0.28m
12:56PM0.12m
1:14AM0.23m
2:02PM0.05m
2:20AM0.12m
3:00PM-0.04m
Wave
height (m) 
direction
period (s) 
clear
clear
cloud
cloud
snow showers
part cloud
cloud
light snow
part cloud
clear
part cloud
cloud
light snow
mod snow
cloud
cloud
light snow
light rain
cloud
light rain
cloud
clear
clear
part cloud
cloud
clear
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
cloud
light rain
part cloud
light rain
clear
clear
clear
cloudy
cloudy
snow shwrs
some clouds
cloudy
light snow
some clouds
clear
some clouds
cloudy
light snow
mod snow
cloudy
cloudy
light snow
light rain
cloudy
light rain
cloudy
clear
clear
some clouds
cloudy
clear
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
cloudy
light rain
some clouds
light rain
clear
 km/h
10
W
5
WNW
5
NNE
10
E
20
ENE
15
ENE
5
S
10
SW
15
WSW
10
WNW
5
NNW
5
NE
5
ESE
20
ENE
15
ENE
15
ENE
15
ENE
10
E
5
WNW
15
W
10
NW
20
NW
10
W
25
NW
20
NW
20
WNW
25
NW
25
NW
20
NW
25
NNW
25
NW
10
NW
15
WSW
15
SSW
10
WSW
10
WSW
5
W
5
ESE
10
S
10
SSW
10
SW
15
WSW
10
NW
5
NNE
15
SSW
25
SW
30
WNW
 mm 
4
1
3
1
max°C
5
2
1
1
-1
1
1
1
6
8
2
1
-1
0
0
0
2
4
3
4
5
5
2
1
1
-2
-3
-3
-7
-8
-6
-9
0
3
5
8
11
8
10
13
11
18
18
14
17
16
7
Moonrise
6:00
6:29
6:55
7:18
7:41
8:02
8:27
8:55
9:29
10:12
11:06
12:11
1:24
2:40
3:54
Moonset
3:35
4:44
5:53
7:03
8:13
9:25
10:39
11:55
1:11
2:24
3:28
4:21
5:03
5:36
Sunrise
6:48
6:47
6:46
6:43
6:43
6:41
6:39
6:39
6:37
6:35
6:33
6:33
6:31
6:30
6:28
Sunset
5:27
5:28
5:30
5:30
5:31
5:32
5:34
5:36
5:37
5:37
5:38
5:39
5:42
5:43
5:44
5:45
Today's sea temperature in Old Greenwich is
-0.8° C
(Statistics for 14 Feb 1981-2005 – mean: 3.6 max: 5.3 min: 1.8°C)
Issued (local time): 6 pm Saturday 14 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest