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 08:24 PM.

Days 1–4 Weather Summary

Light rain (total 5mm), mostly falling on Wed afternoon. Very warm air temperatures (max 33°C on Thu afternoon, min 19°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Fri night. Very warm air temperatures (max 31°C on Sun afternoon, min 14°C on Mon morning). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 16mm), heaviest on Mon night. Warm (max 27°C on Tue afternoon, min 14°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Warm (max 25°C on Thu afternoon, min 15°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the NW by Sat morning).

Days 14–17 Weather Summary

Light rain (total 6mm), mostly falling on Mon afternoon. Warm (max 23°C on Sun afternoon, min 16°C on Sun night). Wind will be generally light.

Tue
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
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
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High Tide
6:44PM2.43m
7:13AM2.15m
7:39PM2.51m
8:12AM2.16m
8:35PM2.59m
9:10AM2.19m
9:30PM2.66m
10:08AM2.23m
10:25PM2.72m
11:05AM2.29m
11:21PM2.76m
12:00PM2.34m
00:16AM2.75m
12:55PM2.38m
1:12AM2.70m
1:51PM2.40m
2:08AM2.62m
2:47PM2.40m
3:06AM2.51m
3:43PM2.40m
4:05AM2.38m
4:40PM2.38m
5:05AM2.26m
5:38PM2.37m
6:06AM2.15m
6:34PM2.36m
7:06AM2.08m
7:30PM2.37m
Low Tide
12:27PM0.24m
1:11AM0.20m
1:21PM0.21m
2:09AM0.09m
2:17PM0.17m
3:07AM-0.02m
3:14PM0.12m
4:04AM-0.12m
4:10PM0.08m
4:59AM-0.20m
5:07PM0.05m
5:53AM-0.24m
6:03PM0.03m
6:47AM-0.24m
7:01PM0.03m
7:41AM-0.21m
7:59PM0.05m
8:36AM-0.14m
8:57PM0.09m
9:30AM-0.05m
9:58PM0.12m
10:26AM0.04m
10:59PM0.16m
11:22AM0.13m
00:01AM0.18m
12:19PM0.20m
1:01AM0.18m
1:14PM0.26m
Wave
Height (m)
Direction
Period (s)
clear
clear
part cloud
light rain
rain showers
clear
part cloud
rain showers
part cloud
part cloud
rain showers
clear
clear
clear
clear
part cloud
thunderstorm
part cloud
cloud
heavy rain
light rain
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
light rain
cloud
light rain
light rain
cloud
part cloud
part cloud
cloud
cloud
cloud
clear
clear
some clouds
light rain
rain shwrs
clear
some clouds
rain shwrs
some clouds
some clouds
rain shwrs
clear
clear
clear
clear
some clouds
risk tstorm
some clouds
cloudy
heavy rain
light rain
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
clear
some clouds
light rain
cloudy
light rain
light rain
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
km/h
20
SSW
15
SW
15
SSW
5
SSE
15
SW
15
WNW
20
WNW
5
NNW
10
E
15
SE
0
SE
10
NW
20
WNW
5
NW
15
WSW
20
W
15
N
10
NE
15
SSE
20
E
5
W
15
SW
10
NW
10
SW
25
S
0
WNW
20
W
15
NW
5
WNW
20
SW
25
WSW
25
WNW
30
NW
25
NW
15
NW
10
ENE
10
SSE
15
SSE
15
S
10
SSE
10
ESE
0
E
5
ESE
5
S
10
S
10
SE
10
S
1
3
1
2
1
13
3
1
3
2
max °C
26
21
24
25
22
30
33
30
24
27
24
26
30
28
28
31
25
19
22
17
20
27
26
23
26
23
23
25
24
20
22
24
21
25
22
20
23
20
17
17
17
17
20
20
22
22
20
Moonrise
1:52
2:18
2:49
3:28
4:18
5:22
6:37
7:57
9:16
10:30
11:41
12:48
1:52
2:56
3:59
Moonset
3:24
4:40
6:00
7:20
8:36
9:40
10:30
11:09
11:40
12:05
12:27
12:48
1:09
1:32
Sunrise
5:22
5:20
5:20
5:20
5:20
5:20
5:20
5:20
5:20
5:20
5:22
5:22
5:22
5:22
5:22
Sunset
8:24
8:24
8:25
8:25
8:27
8:27
8:28
8:28
8:28
8:29
8:29
8:29
8:30
8:30
8:30
8:30
Today's sea temperature in Old Greenwich is
17.3° C
(Statistics for 09 Jun 1981-2005 – mean: 15.4 max: 17.4 min: 12.8°C)
Issued (local time): 1 pm Tuesday 09 Jun 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest