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 06:30 AM and sunset is at 07:09 PM.

Days 1–3 Weather Summary

Moderate rain (total 17mm) heaviest on Wed night, then becoming colder with a dusting of snow on Thu morning. Icy conditions (max 15°C on Wed afternoon, min 0°C on Thu morning). Winds decreasing (strong winds from the ENE on Wed night, light winds from the S by Fri morning).

Days 4–6 Weather Summary

Moderate rain (total 11mm), heaviest on Sun afternoon. Cool air temperatures (max 15°C on Sat morning, min 4°C on Sat night). Winds increasing (light winds from the SSE on Sat morning, near gales from the SSW by Sun afternoon).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 7°C on Tue night, min 0°C on Tue night). Winds decreasing (strong winds from the NNE on Tue night, calm by Thu morning).

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Sat morning. Very mild (max 14°C on Sat afternoon, min 2°C on Fri morning). Winds increasing (light winds from the NW on Sun morning, fresh winds from the S by Mon morning).

Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thu
16
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
AM
PM
Wave Height Map
High Tide
8:14AM0.82m
8:34PM0.96m
8:53AM0.80m
9:12PM0.95m
9:31AM0.77m
9:48PM0.93m
10:06AM0.72m
10:23PM0.89m
10:39AM0.67m
10:58PM0.84m
11:12AM0.62m
11:34PM0.78m
11:48AM0.59m
00:15AM0.72m
12:32PM0.55m
1:06AM0.67m
1:32PM0.54m
2:12AM0.64m
2:57PM0.56m
3:28AM0.64m
4:13PM0.61m
4:30AM0.67m
5:06PM0.69m
5:19AM0.71m
5:50PM0.79m
6:05AM0.77m
6:30PM0.88m
6:49AM0.82m
7:09PM0.98m
Low Tide
2:20PM-0.05m
2:53AM-0.08m
2:45PM-0.03m
3:29AM-0.06m
3:04PM-0.00m
4:03AM-0.03m
3:26PM0.02m
4:37AM0.02m
3:55PM0.05m
5:12AM0.08m
4:31PM0.08m
5:52AM0.13m
5:13PM0.12m
6:48AM0.18m
6:04PM0.16m
8:14AM0.21m
7:10PM0.20m
9:25AM0.20m
8:58PM0.21m
10:17AM0.16m
10:28PM0.17m
10:59AM0.11m
11:24PM0.12m
11:36AM0.05m
00:11AM0.04m
12:10PM-0.01m
00:55AM-0.03m
12:44PM-0.06m
Wave
height (m) 
direction
period (s) 
1.7
S
9
1.3
S
8
1.3
SE
6
1.3
ESE
5
1.1
ESE
5
0.8
SSE
6
0.6
SSE
6
0.7
SSE
6
1
S
6
0.7
S
6
1
SSE
5
0.9
SE
5
1.8
S
7
1.8
S
8
1.3
S
8
1.3
S
8
1.1
S
8
0.7
S
8
0.5
S
7
0.4
SSE
7
0.4
SSE
7
0.8
NNE
4
0.5
E
4
0.3
SE
7
0.3
SE
10
0.4
SE
10
0.7
SE
10
0.6
SE
9
0.7
SE
9
0.8
S
4
0.7
S
5
0.6
S
5
0.5
SSE
6
0.4
SE
8
0.5
SSE
4
0.6
ESE
10
1.1
S
4
1.2
S
6
1
S
7
0.8
S
8
0.7
S
8
0.6
S
7
0.5
S
7
0.9
SE
4
2
SSE
7
1.3
SSE
8
1
SSE
8
part cloud
rain showers
heavy rain
light snow
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
heavy rain
part cloud
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
clear
light rain
light rain
part cloud
clear
clear
clear
part cloud
cloud
light rain
rain showers
clear
clear
clear
clear
part cloud
heavy rain
part cloud
part cloud
some clouds
rain shwrs
heavy rain
light snow
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
heavy rain
some clouds
clear
some clouds
clear
clear
some clouds
some clouds
some clouds
cloudy
clear
clear
clear
clear
clear
clear
light rain
light rain
some clouds
clear
clear
clear
some clouds
cloudy
light rain
rain shwrs
clear
clear
clear
clear
some clouds
heavy rain
some clouds
some clouds
 km/h
35
SW
20
WSW
40
ENE
40
NE
35
ENE
20
ENE
10
S
25
SW
30
SW
5
SSE
35
E
20
ESE
45
SSW
40
SW
30
WNW
35
W
25
W
15
NW
5
WSW
15
SW
25
NNE
25
NNE
15
SE
10
SW
5
SSE
25
SSW
30
SSW
25
SSW
25
SSW
25
SSW
20
WSW
20
SW
25
NNW
10
NW
25
SW
25
SSW
35
SSW
30
SSW
25
WNW
15
NNW
15
SW
10
S
20
SE
30
SE
40
SW
20
SW
15
WSW
 mm 
4
13
11
1
3
2
2
15
max°C
11
15
10
0
1
2
5
10
14
15
11
10
10
10
11
5
9
9
5
6
7
2
3
2
1
2
2
4
7
9
8
14
14
7
9
8
7
8
10
7
10
11
7
6
9
11
12
Moonrise
7:04
8:09
9:14
10:19
11:22
12:23
1:18
2:05
2:46
3:19
3:47
4:12
4:35
4:58
5:21
Moonset
6:04
6:25
6:47
7:12
7:42
8:17
9:00
9:50
10:48
11:51
12:57
2:05
3:13
4:23
5:35
6:50
Sunrise
6:30
6:28
6:26
6:24
6:22
6:22
6:20
6:18
6:16
6:15
6:13
6:11
6:11
6:09
6:07
6:05
Sunset
7:09
7:12
7:13
7:14
7:15
7:15
7:16
7:17
7:19
7:20
7:21
7:22
7:22
7:23
7:24
7:27
Today's sea temperature in Block Island (SW end), Block Island Sound is
3.6° C
(Statistics for 01 Apr 1981-2005 – mean: 5.5 max: 7.1 min: 4.2°C)
Issued (local time): 1 am Wednesday 01 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest