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 06:52 PM.

Days 1–4 Weather Summary

Heavy rain (total 57mm), heaviest during Mon morning. Cool air temperatures (max 13°C on Sun afternoon, min 6°C on Tue morning). Winds decreasing (strong winds from the S on Sun night, light winds from the WSW by Mon afternoon).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 8°C on Thu night, min 0°C on Fri morning). Winds increasing (light winds from the ESE on Wed night, strong winds from the WNW by Fri afternoon).

Days 8–10 Weather Summary

Light rain (total 9mm), mostly falling on Sun morning. Freeze-thaw conditions (max 8°C on Sat night, min 0°C on Fri night). Winds decreasing (strong winds from the NW on Fri night, calm by Mon morning).

Days 11–13 Weather Summary

Heavy rain (total 27mm), heaviest during Mon night. Mild temperatures (max 8°C on Tue morning, min 2°C on Thu morning). Winds decreasing (strong winds from the ESE on Tue morning, light winds from the SW by Wed morning).

Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thu
27
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
Wave Height Map
High Tide
9:36PM0.87m
9:56AM0.77m
10:13PM0.84m
10:32AM0.73m
10:51PM0.80m
11:10AM0.67m
11:30PM0.76m
11:51AM0.62m
00:13AM0.71m
12:37PM0.56m
1:03AM0.67m
1:34PM0.53m
2:03AM0.65m
2:39PM0.53m
3:09AM0.66m
3:44PM0.56m
4:12AM0.69m
4:44PM0.64m
5:09AM0.75m
5:37PM0.73m
6:02AM0.82m
6:26PM0.84m
6:51AM0.88m
Low Tide
3:29AM-0.04m
3:29PM-0.03m
3:57AM-0.02m
3:57PM-0.02m
4:28AM0.01m
4:28PM0.01m
5:02AM0.05m
5:02PM0.04m
5:41AM0.09m
5:43PM0.08m
6:27AM0.12m
6:32PM0.11m
7:25AM0.14m
7:33PM0.13m
8:35AM0.15m
8:47PM0.12m
9:51AM0.12m
10:07PM0.08m
10:58AM0.05m
11:18PM0.01m
11:54AM-0.02m
00:18AM-0.07m
12:42PM-0.09m
Wave
height (m) 
direction
period (s) 
0.7
SE
6
0.9
SSE
5
1.3
S
6
2
S
7
2
S
10
1.9
S
10
1.7
SSE
10
1.6
SSE
10
1.4
SSE
10
1.4
SSE
10
1.2
SE
10
1.1
SE
9
1
SE
9
1.1
SE
11
1.1
SE
11
1.1
SE
10
1.2
SSW
7
1.2
NW
4
1
NW
4
0.6
SSW
6
0.6
WSW
3
0.4
SE
10
1.1
ESE
5
1.2
SE
6
0.8
S
8
0.6
S
9
0.6
S
9
0.9
SSE
5
2.1
SE
7
1.5
SSE
8
1.1
SSE
8
0.9
SSE
8
0.8
SSE
8
0.8
SSE
8
0.9
SSE
8
0.8
SSW
5
part cloud
cloud
part cloud
heavy rain
heavy rain
heavy rain
light rain
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
clear
clear
part cloud
rain showers
light rain
light rain
rain showers
part cloud
cloud
mod rain
mod rain
mod rain
rain showers
part cloud
rain showers
part cloud
clear
part cloud
some clouds
cloudy
some clouds
heavy rain
heavy rain
heavy rain
light rain
cloudy
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
clear
clear
some clouds
rain shwrs
light rain
light rain
rain shwrs
some clouds
cloudy
mod rain
mod rain
mod rain
rain shwrs
some clouds
rain shwrs
some clouds
clear
some clouds
 km/h
25
SSW
30
S
40
S
45
S
25
S
10
WSW
25
NNW
30
NNE
30
NNE
35
NE
30
NE
25
ENE
20
E
15
S
25
SW
35
WNW
45
WNW
45
NW
40
NW
25
WNW
25
WSW
20
SSE
35
ENE
30
NNE
10
NW
15
SSW
20
S
30
SE
35
SE
20
NNW
15
NW
15
WSW
15
WNW
30
WNW
30
WNW
30
W
 mm 
11
27
15
4
1.0
3
3
2.0
9
9
7
1.0
1.0
max°C
12
12
13
12
10
9
11
7
9
6
5
7
6
6
7
8
0
3
3
4
6
8
7
7
6
7
7
7
8
8
6
7
8
7
3
6
Moonrise
8:28
9:29
10:31
11:35
12:39
1:41
2:39
3:30
4:13
4:49
5:19
5:45
Moonset
7:26
7:45
8:05
8:29
8:57
9:31
10:15
11:08
12:10
1:20
2:34
3:50
5:07
Sunrise
6:56
6:54
6:52
6:52
6:50
6:48
6:47
6:45
6:43
6:41
6:39
6:37
Sunset
6:52
6:52
6:53
6:54
6:55
6:57
6:59
7:00
7:00
7:01
7:02
7:04
7:05
Today's sea temperature in Block Island (Great Salt Pond) is 4.3 °C (Statistics for 15 Mar 1981-2005 – mean: 4.6 max: 6.4 min: 2.6°C)
Issued (local time): 7 pm Saturday 15 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest