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 05:40 PM.

Days 1–4 Weather Summary

A light covering of new snow, mostly falling on Thu night. Becoming milder with moderate rain (total 12mm) heaviest on Thu night. Icy conditions (max 10°C on Sun morning, min 0°C on Fri morning). Winds decreasing (strong winds from the ENE on Thu night, light winds from the SSE by Fri night).

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Sun afternoon. Cool air temperatures (max 15°C on Tue morning, min 3°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 30mm), heaviest during Wed afternoon. Freeze-thaw conditions (max 8°C on Wed afternoon, min 0°C on Wed night). Winds decreasing (strong winds from the NW on Wed night, calm by Thu night).

Days 11–13 Weather Summary

Heavy rain (total 25mm), heaviest during Sat night. Freeze-thaw conditions (max 10°C on Tue morning, min 0°C on Sun night). Winds decreasing (near gales from the SSW on Sat night, light winds from the WSW by Mon morning).

Thu
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
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
9:10PM0.91m
9:31AM0.79m
9:51PM0.86m
10:11AM0.73m
10:33PM0.80m
10:53AM0.66m
11:18PM0.74m
11:39AM0.59m
00:08AM0.68m
12:33PM0.55m
1:05AM0.64m
1:35PM0.52m
2:08AM0.62m
2:39PM0.53m
3:09AM0.64m
3:40PM0.57m
4:05AM0.68m
4:32PM0.64m
4:55AM0.74m
5:19PM0.72m
5:41AM0.79m
6:02PM0.80m
6:24AM0.84m
6:43PM0.87m
7:06AM0.87m
7:25PM0.93m
7:48AM0.88m
Low Tide
2:39PM-0.08m
3:09AM-0.07m
3:08PM-0.05m
3:41AM-0.02m
3:38PM-0.02m
4:13AM0.04m
4:10PM0.03m
4:48AM0.09m
4:47PM0.07m
5:29AM0.14m
5:30PM0.12m
6:21AM0.18m
6:25PM0.15m
7:29AM0.20m
7:34PM0.17m
8:54AM0.18m
8:55PM0.15m
10:08AM0.13m
10:09PM0.10m
10:55AM0.07m
11:05PM0.03m
11:35AM0.01m
11:52PM-0.04m
12:13PM-0.05m
00:35AM-0.10m
12:50PM-0.10m
1:18AM-0.15m
1:29PM-0.14m
Wave
height (m) 
direction
period (s) 
0.6
SE
7
1.1
ENE
4
1.2
NE
4
1.1
SE
9
0.9
SE
9
0.8
ESE
9
0.8
ESE
9
1.1
SSE
7
1.1
S
7
0.9
S
7
0.8
S
7
0.6
S
7
0.6
S
7
0.7
S
7
0.6
S
7
0.6
S
7
0.5
S
7
0.7
SE
5
0.8
SSE
5
0.8
S
6
0.9
S
7
0.7
S
8
0.4
S
8
0.6
S
4
0.8
S
4
0.7
S
5
0.4
SSE
5
0.5
SSE
5
1.8
SSE
7
2.4
S
9
2
S
10
1.5
S
10
0.8
SSE
9
0.8
SSE
9
1.2
S
7
1.5
S
8
1
S
8
0.7
S
7
0.7
S
7
1
S
4
1.2
S
6
0.7
S
7
0.8
S
7
0.8
ENE
3
0.9
ENE
4
0.8
ENE
4
0.8
SE
5
light rain
mod snow
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
part cloud
cloud
part cloud
clear
clear
cloud
heavy rain
rain showers
clear
clear
clear
part cloud
cloud
light rain
heavy rain
light rain
heavy rain
rain showers
clear
clear
part cloud
cloud
light rain
cloud
clear
clear
part cloud
part cloud
light rain
light rain
light snow
part cloud
clear
clear
part cloud
light rain
mod snow
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
light rain
light rain
cloudy
cloudy
some clouds
cloudy
some clouds
clear
clear
cloudy
heavy rain
rain shwrs
clear
clear
clear
some clouds
cloudy
light rain
heavy rain
light rain
heavy rain
rain shwrs
clear
clear
some clouds
cloudy
light rain
cloudy
clear
clear
some clouds
some clouds
light rain
light rain
light snow
some clouds
clear
clear
some clouds
 km/h
25
NE
40
ENE
40
NNE
30
NE
20
ENE
15
S
20
SSW
30
SW
20
WSW
15
WSW
10
W
15
SW
15
SW
25
WSW
15
W
15
NW
20
E
25
ESE
25
S
15
NNW
30
NNW
15
N
5
SSE
25
S
30
SSW
15
SW
5
ESE
20
S
45
SSW
45
W
50
WSW
35
WNW
15
WSW
25
SSW
35
SSW
30
W
20
NW
20
ENE
20
S
30
SW
35
SW
15
N
30
NNE
30
NE
30
NE
30
ENE
25
SE
 mm 
1
8
2
1
3
14
4
1
11
4
12
5
4
5
4
max°C
4
2
0
0
2
6
9
9
10
12
9
9
11
12
15
15
11
7
8
7
5
6
2
4
7
8
8
8
9
8
7
0
1
3
8
10
10
5
5
7
8
6
1
1
0
-1
1
Moonrise
8:19
9:24
10:29
12:33
1:35
2:34
3:26
4:11
4:49
5:21
5:48
6:12
6:35
6:57
7:21
Moonset
7:21
7:44
9:11
9:42
10:20
11:06
12:00
1:01
2:07
3:15
4:25
5:35
6:46
7:59
9:14
Sunrise
6:11
6:11
7:09
6:07
6:05
6:03
6:01
6:01
5:58
5:56
5:56
5:54
5:52
5:50
5:48
Sunset
5:40
5:43
5:44
6:45
5:45
5:46
5:47
5:49
5:50
5:51
5:52
5:53
5:54
5:55
5:57
5:58
Today's sea temperature in Block Island (Great Salt Pond) is
1.8° C
(Statistics for 05 Mar 1981-2005 – mean: 4.4 max: 6.1 min: 3.1°C)
Issued (local time): 6 pm Thursday 05 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest