Block Island (SW end), Block Island Sound Sea Conditions and Tide Table

Block Island (SW end), Block Island Sound 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 06:43 AM and sunset is at 07:01 PM.

Days 1–3 Weather Summary

Moderate rain (total 17mm), heaviest on Mon afternoon. Low air temperatures (max 8°C on Mon afternoon, min 1°C on Wed night). Winds decreasing (near gales from the SSE on Mon afternoon, calm by Tue night).

Days 4–6 Weather Summary

A dusting of new snow. Icy conditions (max 8°C on Fri afternoon, min 0°C on Sat night). Mainly fresh winds.

Days 7–9 Weather Summary

Moderate rain (total 14mm), heaviest on Mon night. Freeze-thaw conditions (max 11°C on Mon night, min 0°C on Sun morning). Winds increasing (light winds from the E on Sun night, strong winds from the SSW by Mon night).

Days 10–12 Weather Summary

Heavy rain (total 36mm), heaviest during Thu night. Freeze-thaw conditions (max 11°C on Thu night, min 0°C on Wed morning). Winds decreasing (near gales from the SE on Thu night, light winds from the SE by Fri night).

Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
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
4:38PM0.61m
5:08AM0.75m
5:37PM0.71m
6:01AM0.82m
6:26PM0.83m
6:50AM0.88m
7:12PM0.94m
7:36AM0.92m
7:57PM1.04m
8:22AM0.94m
8:43PM1.11m
9:09AM0.93m
9:29PM1.13m
9:56AM0.90m
10:18PM1.11m
10:45AM0.85m
11:10PM1.04m
11:37AM0.79m
00:07AM0.95m
12:37PM0.72m
1:11AM0.86m
1:46PM0.68m
2:26AM0.78m
Low Tide
11:01AM0.10m
10:47PM0.09m
11:45AM0.04m
11:50PM0.01m
12:23PM-0.04m
00:43AM-0.08m
1:00PM-0.10m
1:33AM-0.16m
1:37PM-0.16m
2:22AM-0.21m
2:15PM-0.19m
3:11AM-0.22m
2:55PM-0.20m
4:01AM-0.20m
3:38PM-0.18m
4:55AM-0.14m
4:24PM-0.14m
5:55AM-0.07m
5:15PM-0.07m
7:05AM0.01m
6:17PM0.01m
8:19AM0.06m
7:52PM0.09m
Wave
height (m) 
direction
period (s) 
1.3
SSE
5
1.9
S
7
1.2
S
8
1.2
S
9
1.1
S
8
0.8
SSE
8
0.7
SSE
7
1
SSW
6
0.8
SSE
7
0.7
SW
5
0.6
SW
4
0.6
S
5
0.5
WSW
3
0.8
SW
4
0.6
SSW
6
0.7
ENE
4
0.6
E
3
0.9
ESE
4
1
ESE
5
1.2
SE
6
0.9
SE
6
1
S
6
1.5
S
7
2
S
8
1.6
S
9
1.6
S
9
1.2
S
9
0.7
SSE
8
0.7
SSE
8
0.5
SSE
8
0.6
SSE
7
1.5
SE
5
2.1
SSE
8
1.7
SSE
9
1.7
SSE
9
1.5
SSE
10
light rain
mod rain
rain showers
clear
clear
light rain
part cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
cloud
part cloud
cloud
light snow
cloud
cloud
light rain
part cloud
part cloud
rain showers
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
light rain
heavy rain
mod rain
cloud
cloud
light rain
mod rain
rain shwrs
clear
clear
light rain
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
some clouds
cloudy
some clouds
cloudy
light snow
cloudy
cloudy
light rain
some clouds
some clouds
rain shwrs
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
light rain
heavy rain
mod rain
cloudy
cloudy
 km/h
45
SSE
40
SW
25
WSW
30
WSW
25
SW
5
ENE
20
W
30
W
30
WNW
25
W
30
SW
20
W
25
W
30
SW
20
WSW
25
ENE
25
E
30
E
30
E
35
ESE
20
S
30
SSW
35
SSW
35
SSW
35
W
40
W
35
WNW
20
WNW
25
SW
15
S
30
ESE
50
ESE
30
S
20
SSW
15
WSW
5
SE
 mm 
4
9
3
1.0
2.0
12
2.0
25
9
max°C
4
8
8
6
8
8
5
7
6
2
5
6
4
8
7
3
3
0
1
2
9
9
10
11
8
8
6
3
7
7
5
7
11
8
8
8
Moonrise
4:13
4:49
5:19
5:45
6:09
6:34
6:59
7:28
8:04
8:47
9:40
10:43
Moonset
1:20
2:34
3:50
5:07
6:25
7:44
9:05
10:27
11:48
1:03
2:06
Sunrise
6:43
6:41
6:39
6:37
6:37
6:35
6:33
6:31
6:30
6:28
6:26
6:24
Sunset
7:01
7:02
7:04
7:05
7:06
7:07
7:07
7:08
7:09
7:12
7:13
7:14
Today's sea temperature in Block Island (SW end), Block Island Sound is 5.1 °C (Statistics for 24 Mar 1981-2005 – mean: 5.0 max: 6.7 min: 3.5°C)
Issued (local time): 1 am Monday 24 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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