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 06:58 AM and sunset is at 04:16 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 5°C on Sun afternoon, min -5°C on Mon morning). Winds decreasing (strong winds from the NNW on Sun night, calm by Mon night).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Wed night. Cool air temperatures (max 10°C on Wed afternoon, min 1°C on Thu afternoon). Winds decreasing (near gales from the SW on Wed afternoon, light winds from the NNW by Thu night).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Sat afternoon, min -5°C on Sat night). Winds decreasing (fresh winds from the NW on Sun afternoon, calm by Mon afternoon).

Days 10–12 Weather Summary

A light covering of new snow, mostly falling on Tue afternoon. Freeze-thaw conditions (max 8°C on Thu night, min -3°C on Tue night). Winds decreasing (gales from the N on Tue afternoon, light winds from the W by Wed night).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
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
Wave Height Map
High Tide
9:14AM1.04m
9:41PM0.83m
10:07AM0.97m
10:36PM0.80m
11:02AM0.89m
11:32PM0.77m
11:58AM0.81m
00:30AM0.75m
12:55PM0.74m
1:28AM0.74m
1:52PM0.69m
2:25AM0.74m
2:47PM0.66m
3:18AM0.76m
3:39PM0.65m
4:08AM0.78m
4:27PM0.65m
4:54AM0.81m
5:13PM0.66m
5:38AM0.84m
5:57PM0.68m
6:20AM0.86m
6:39PM0.69m
Low Tide
3:26PM-0.09m
3:25AM-0.08m
4:18PM-0.04m
4:21AM-0.02m
5:11PM0.01m
5:22AM0.04m
6:07PM0.05m
6:32AM0.09m
7:06PM0.09m
7:52AM0.13m
8:04PM0.11m
9:10AM0.14m
8:59PM0.11m
10:12AM0.13m
9:44PM0.10m
10:59AM0.12m
10:23PM0.09m
11:36AM0.10m
11:00PM0.06m
12:08PM0.08m
11:36PM0.04m
12:38PM0.05m
Wave
height (m) 
direction
period (s) 
0.6
SE
8
0.6
SE
8
0.9
SSW
6
0.9
NNW
4
0.7
NNE
4
0.4
SE
8
0.2
ESE
9
0.4
SSW
3
1.6
SW
5
1.2
SSW
5
2.3
SSW
6
1.9
SSW
6
1.1
S
9
0.9
S
9
0.6
S
8
0.5
S
8
0.5
S
7
0.4
SSE
7
0.5
S
8
0.4
S
8
0.4
SSE
7
0.5
NW
3
0.6
WNW
3
0.6
WNW
3
0.2
SSE
10
0.2
SSE
10
0.8
ENE
4
1.7
NE
5
2.5
NE
6
2.3
NNE
6
1.3
ESE
12
1
ESE
12
0.7
ESE
12
0.4
ESE
12
0.9
SW
4
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
rain showers
clear
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
light snow
light snow
light snow
snow showers
clear
clear
part cloud
part cloud
cloud
some clouds
some clouds
clear
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
rain shwrs
clear
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
light snow
light snow
light snow
snow shwrs
clear
clear
some clouds
some clouds
cloudy
 km/h
5
NNW
15
SW
40
WNW
40
NNW
30
NNE
15
N
10
SSW
30
SSW
50
WSW
40
SSW
55
SW
45
WSW
30
NW
20
NW
10
NW
10
NNW
25
NW
15
NNW
10
WNW
15
WNW
25
NNW
30
NW
35
NW
30
WNW
10
W
0
SW
40
ENE
60
NE
65
NNE
60
N
40
NNW
35
NW
20
WNW
20
SW
35
WSW
 mm 
2
max°C
3
5
4
-4
-3
-4
-1
5
7
9
10
9
3
3
1
3
4
0
-1
1
-1
-2
-1
-2
0
1
1
1
0
0
2
2
-1
4
6
Moonrise
7:13
8:29
9:42
10:50
11:54
12:57
1:59
3:01
4:03
5:06
6:08
Moonset
9:58
10:37
11:07
11:32
11:53
12:13
12:32
12:53
1:15
1:42
2:14
2:52
Sunrise
6:58
6:58
6:58
7:00
7:01
7:01
7:03
7:03
7:03
7:05
7:05
7:05
Sunset
4:16
4:16
4:16
4:16
4:16
4:16
4:16
4:17
4:17
4:17
4:17
4:19
Today's sea temperature in Block Island (Great Salt Pond) is
10.0° C
(Statistics for 07 Dec 1981-2005 – mean: 10.0 max: 12.8 min: 8.5°C)
Issued (local time): 12 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest