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 07:03 AM and sunset is at 04:17 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 7°C on Tue night, min -7°C on Mon morning). Mainly near gales.

Days 4–6 Weather Summary

Moderate rain (total 12mm), heaviest on Fri morning. Icy conditions (max 14°C on Thu night, min -4°C on Sat morning). Winds increasing (light winds from the SSE on Thu morning, gales from the S by Fri morning).

Days 7–9 Weather Summary

A dusting of snow giving way to moderate rain (total 18mm) heaviest on Tue morning. Freeze-thaw conditions (max 10°C on Tue morning, min -5°C on Tue night). Winds decreasing (near gales from the SW on Sun morning, light winds from the N by Mon afternoon).

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Fri night. Freeze-thaw conditions (max 10°C on Fri night, min -5°C on Wed morning). Winds increasing (light winds from the ESE on Fri morning, strong winds from the SSW by Fri night).

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
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
4:27PM0.65m
4:54AM0.81m
5:13PM0.66m
5:38AM0.84m
5:57PM0.68m
6:20AM0.86m
6:39PM0.69m
7:01AM0.87m
7:22PM0.70m
7:41AM0.87m
8:03PM0.70m
8:22AM0.87m
8:45PM0.70m
9:02AM0.85m
9:27PM0.69m
9:44AM0.82m
10:09PM0.69m
10:27AM0.78m
10:55PM0.69m
11:13AM0.74m
11:45PM0.71m
12:04PM0.71m
00:39AM0.73m
Low Tide
10:59AM0.12m
10:23PM0.09m
11:36AM0.10m
11:00PM0.06m
12:08PM0.08m
11:36PM0.04m
12:38PM0.05m
00:12AM0.02m
1:09PM0.03m
00:49AM0.01m
1:41PM0.02m
1:26AM0.00m
2:14PM0.01m
2:05AM0.00m
2:48PM0.01m
2:45AM0.01m
3:25PM0.01m
3:28AM0.02m
4:04PM0.01m
4:15AM0.03m
4:47PM0.01m
5:08AM0.04m
5:35PM0.01m
6:07AM0.05m
Wave
height (m) 
direction
period (s) 
1
NW
4
1
WNW
4
0.7
W
3
0.6
W
3
0.5
SW
3
1.1
SW
4
1.5
SSW
5
1.6
SSW
5
1.2
S
8
0.5
S
8
0.8
S
4
1.6
S
6
3.5
SSE
8
2.5
SSE
10
2.3
SSE
11
1.2
SSE
10
0.8
SSE
10
1.3
SSE
9
2.1
S
8
1.5
S
8
1.3
SW
6
0.7
NW
3
0.4
SSE
7
0.4
SE
12
1.6
SSE
6
1.6
S
7
1.6
W
5
0.9
WNW
4
0.6
WNW
3
0.6
SSW
5
0.5
W
3
0.8
WNW
4
0.4
WNW
3
0.1
SE
9
0.4
SSW
2
1.3
S
5
clear
part cloud
cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
rain showers
heavy rain
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
cloud
light snow
heavy rain
rain showers
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
mod rain
clear
some clouds
cloudy
clear
clear
some clouds
clear
clear
some clouds
some clouds
clear
rain shwrs
heavy rain
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
cloudy
light snow
heavy rain
rain shwrs
clear
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
mod rain
 km/h
40
NW
40
WNW
30
W
20
W
20
WSW
40
WSW
45
SW
45
WSW
35
WNW
10
SSE
30
S
40
S
70
S
50
W
50
WNW
30
NW
20
WSW
45
SW
55
SW
35
W
45
WNW
30
NW
15
NNW
25
SSE
40
SSE
40
WSW
50
WNW
40
NW
30
WNW
25
W
25
WNW
40
NW
25
WNW
5
ESE
25
SSW
40
SSW
 mm 
1
11
2
15
1
6
max°C
-4
-2
-1
-2
-1
7
7
7
6
5
10
14
13
7
0
-1
1
8
9
6
5
-1
0
4
10
8
3
-3
-1
0
0
0
-1
1
4
10
Moonrise
3:01
4:03
5:06
6:08
7:06
7:58
8:42
9:19
9:50
10:16
10:39
11:00
Moonset
1:15
1:42
2:14
2:52
3:40
4:35
5:37
6:43
7:50
8:58
10:05
11:13
Sunrise
7:03
7:05
7:05
7:05
7:07
7:07
7:07
7:07
7:09
7:09
7:09
7:09
Sunset
4:17
4:17
4:17
4:19
4:19
4:20
4:20
4:21
4:21
4:22
4:22
4:22
Today's sea temperature in Block Island (Great Salt Pond) is
9.1° C
(Statistics for 15 Dec 1981-2005 – mean: 9.2 max: 11.8 min: 7.7°C)
Issued (local time): 6 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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