Block Island (Great Salt Pond) Sea Conditions and Tide Table

Block Island (Great Salt Pond) 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 04:21 PM.

Days 1–4 Weather Summary

Light rain (total 4mm) at first, then becoming colder with a dusting of snow on Thu morning. Icy conditions (max 5°C on Tue afternoon, min -8°C on Thu night). Winds decreasing (strong winds from the NW on Wed morning, light winds from the W by Wed night).

Days 5–7 Weather Summary

Light rain (total 4mm), mostly falling on Sun afternoon. Icy conditions (max 8°C on Sun night, min -5°C on Fri afternoon). Winds increasing (calm on Sat night, strong winds from the W by Sun night).

Days 8–10 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 4°C on Wed night, min -3°C on Mon afternoon). Winds decreasing (near gales from the W on Mon night, moderate winds from the W by Wed morning).

Days 11–13 Weather Summary

Mostly dry. Temperatures will be below freezing (max -2°C on Sat afternoon, min -9°C on Thu night). Winds decreasing (strong winds from the WNW on Fri morning, moderate winds from the NW by Sun morning).

Tue
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sun
4
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
Wave Height Map
High Tide
10:09PM0.69m
10:27AM0.78m
10:55PM0.69m
11:13AM0.74m
11:45PM0.71m
12:04PM0.71m
00:39AM0.73m
1:01PM0.69m
1:38AM0.77m
2:01PM0.68m
2:38AM0.83m
3:02PM0.68m
3:37AM0.89m
4:03PM0.71m
4:35AM0.95m
5:00PM0.75m
5:30AM1.01m
5:56PM0.79m
6:24AM1.05m
6:49PM0.84m
7:16AM1.06m
7:40PM0.87m
8:06AM1.05m
Low Tide
3:25PM0.01m
3:28AM0.02m
4:04PM0.01m
4:15AM0.03m
4:47PM0.01m
5:08AM0.04m
5:35PM0.01m
6:07AM0.05m
6:29PM0.00m
7:14AM0.06m
7:28PM-0.01m
8:26AM0.04m
8:31PM-0.03m
9:40AM0.01m
9:36PM-0.06m
10:48AM-0.03m
10:40PM-0.09m
11:49AM-0.08m
11:42PM-0.13m
12:44PM-0.12m
00:39AM-0.16m
1:35PM-0.13m
1:33AM-0.16m
Wave
height (m) 
direction
period (s) 
0.3
S
6
0.8
WSW
3
1.2
NW
4
1.2
NNE
5
0.4
ESE
10
1.1
SW
4
1
S
7
0.9
NNW
4
0.7
N
4
0.4
ESE
11
0.4
SE
12
0.7
SE
13
0.7
SE
13
0.6
ESE
13
0.4
ESE
13
0.5
SE
13
1.4
S
6
1.2
W
4
1.3
W
4
1.7
WSW
5
1.8
WSW
5
1.5
W
5
1.1
W
4
0.7
W
4
0.6
WSW
3
0.8
SW
4
1.6
SW
5
1.2
W
4
0.7
WNW
3
1
W
4
1.2
W
4
0.9
W
4
0.6
W
3
0.9
WSW
4
0.9
W
4
0.5
WNW
3
light rain
rain showers
clear
part cloud
part cloud
light snow
part cloud
clear
clear
cloud
cloud
part cloud
clear
clear
part cloud
light rain
light rain
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
part cloud
cloud
light snow
cloud
clear
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
light rain
rain shwrs
clear
some clouds
some clouds
light snow
some clouds
clear
clear
cloudy
cloudy
some clouds
clear
clear
some clouds
light rain
light rain
some clouds
some clouds
some clouds
cloudy
some clouds
clear
clear
some clouds
cloudy
light snow
cloudy
clear
some clouds
some clouds
clear
some clouds
cloudy
some clouds
some clouds
 km/h
10
ESE
35
W
50
NW
40
NNE
10
W
45
SW
35
WNW
40
NNW
25
N
20
NE
20
NNE
30
NE
25
NE
15
NE
5
SSW
20
S
35
SW
45
WNW
50
W
55
W
50
W
50
W
40
W
30
WNW
30
W
35
WSW
45
WSW
45
NW
35
WNW
40
WNW
45
WNW
35
WNW
30
W
40
WSW
35
W
30
NW
 mm 
3
1
2
2
max°C
5
5
5
2
3
4
3
-3
-6
-4
-3
-1
-1
-3
1
5
8
-1
-2
-3
-1
0
-1
-1
0
4
1
-3
-8
-7
-7
-7
-4
-2
-3
-6
Moonrise
10:16
10:39
11:00
11:22
11:45
12:12
12:44
1:26
2:20
3:27
4:43
Moonset
7:50
8:58
10:05
11:13
12:23
1:37
2:54
4:14
5:33
6:44
7:43
8:28
Sunrise
7:09
7:09
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:11
7:11
Sunset
4:21
4:22
4:22
4:22
4:23
4:23
4:24
4:25
4:27
4:28
4:29
4:30
Today's sea temperature in Block Island (Great Salt Pond) is
7.7° C
(Statistics for 23 Dec 1981-2005 – mean: 8.3 max: 10.3 min: 6.7°C)
Issued (local time): 6 pm Tuesday 23 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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