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 — and sunset is at 07:58 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Sun afternoon, min 13°C on Mon afternoon). Winds decreasing (fresh winds from the SW on Sat night, calm by Sun night).

Days 5–7 Weather Summary

Some drizzle, heaviest during Wed night. Warm air temperatures (max 22°C on Tue afternoon, min 11°C on Thu night). Winds decreasing (strong winds from the SSW on Wed afternoon, calm by Thu night).

Days 8–10 Weather Summary

Heavy rain (total 28mm), heaviest during Sat afternoon. Very mild (max 13°C on Fri afternoon, min 8°C on Sun night). Winds increasing (light winds from the S on Fri night, strong winds from the E by Sat night).

Days 11–13 Weather Summary

Moderate rain (total 16mm), heaviest on Tue night. Very mild (max 17°C on Wed night, min 10°C on Mon night). Wind will be generally light.

Days 14–17 Weather Summary

Light rain (total 2mm), mostly falling on Mon morning. Warm (max 23°C on Fri night, min 11°C on Thu night). Wind will be generally light.

Sat
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
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
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High Tide
8:14PM1.16m
8:43AM0.87m
9:06PM1.17m
9:36AM0.88m
9:59PM1.13m
10:30AM0.87m
10:54PM1.07m
11:28AM0.85m
11:51PM0.99m
12:31PM0.84m
00:51AM0.91m
1:36PM0.84m
1:55AM0.83m
2:43PM0.85m
3:00AM0.77m
3:46PM0.87m
4:03AM0.73m
4:43PM0.89m
5:00AM0.71m
5:34PM0.91m
5:53AM0.70m
6:21PM0.93m
6:41AM0.70m
7:04PM0.94m
7:25AM0.70m
7:45PM0.95m
8:06AM0.71m
Low Tide
1:29PM-0.12m
2:56AM-0.12m
2:19PM-0.12m
3:50AM-0.10m
3:12PM-0.11m
4:47AM-0.07m
4:09PM-0.06m
5:47AM-0.04m
5:15PM-0.00m
6:48AM-0.00m
6:36PM0.06m
7:49AM0.02m
8:01PM0.11m
8:48AM0.04m
9:15PM0.13m
9:43AM0.05m
10:20PM0.13m
10:33AM0.07m
11:17PM0.12m
11:19AM0.08m
00:07AM0.10m
11:59AM0.09m
00:53AM0.09m
12:34PM0.11m
1:35AM0.07m
1:03PM0.11m
2:14AM0.06m
1:30PM0.11m
Wave
Height (m)
Direction
Period (s)
0.9
SSE
9
1.2
S
7
0.8
S
7
0.9
SSE
8
0.7
SSE
8
0.7
SSE
7
0.7
SSE
7
0.4
SSE
7
0.6
SE
8
0.8
S
6
1
S
6
0.9
S
6
1.2
SSW
5
0.8
S
7
0.6
S
7
0.6
S
7
0.5
S
7
0.4
SSE
7
0.4
SE
8
0.4
SE
8
0.5
SE
4
0.9
ESE
4
1.5
SE
7
1.1
SE
7
0.8
SE
7
0.8
SE
7
0.8
SE
7
0.8
SE
7
0.8
SE
6
0.9
ESE
5
0.8
ESE
8
0.6
ESE
8
0.6
ESE
8
0.7
ESE
8
0.7
SE
8
0.8
SE
8
0.9
SSE
8
0.8
SE
9
0.8
SSE
8
0.7
SSE
8
0.5
SSE
8
0.4
SSE
7
0.4
SE
7
0.3
SSE
6
0.3
SSE
6
0.3
SSE
6
0.4
SSE
7
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
rain showers
clear
part cloud
part cloud
cloud
cloud
part cloud
cloud
mod rain
heavy rain
mod rain
light rain
cloud
cloud
cloud
part cloud
cloud
light rain
heavy rain
cloud
cloud
part cloud
cloud
rain showers
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
some clouds
clear
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
clear
clear
clear
rain shwrs
clear
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
mod rain
heavy rain
mod rain
light rain
cloudy
cloudy
cloudy
some clouds
cloudy
light rain
heavy rain
cloudy
cloudy
some clouds
cloudy
rain shwrs
some clouds
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
km/h
30
SW
30
SW
20
WSW
25
SW
5
N
20
E
15
ESE
15
SW
25
SW
30
SW
30
WSW
30
SW
40
SSW
20
NNW
15
ENE
20
SSE
10
NNW
15
ENE
15
S
10
S
20
ESE
35
E
25
ENE
25
NE
25
NNE
25
NE
25
NE
25
ENE
20
ENE
25
E
20
ESE
10
SW
15
SW
20
SW
15
NNW
10
WNW
25
WSW
25
WNW
25
WSW
25
WSW
15
NW
5
ENE
15
SSW
5
WSW
10
S
15
S
10
SE
1
7
12
6
3
4
11
1
max °C
17
15
21
23
22
16
13
17
19
22
19
19
20
20
14
16
12
12
13
12
11
11
11
9
9
9
10
11
11
12
14
15
15
16
17
13
13
14
15
21
23
19
20
20
18
19
19
Moonrise
5:32
6:29
7:37
8:54
10:11
11:26
12:36
1:43
2:48
3:52
4:55
5:59
7:03
8:05
9:03
Moonset
8:22
9:41
10:51
11:47
12:31
1:04
1:31
1:54
2:16
2:36
2:57
3:20
3:46
4:17
4:55
Sunrise
5:26
5:24
5:24
5:24
5:22
5:22
5:20
5:20
5:20
5:18
5:18
5:18
5:16
5:16
5:16
Sunset
7:58
7:59
8:00
8:00
8:01
8:02
8:04
8:05
8:05
8:06
8:07
8:07
8:08
8:09
8:09
8:10
Today's sea temperature in Block Island (SW end), Block Island Sound is
9.2° C
(Statistics for 16 May 1981-2005 – mean: 10.9 max: 12.8 min: 9.4°C)
Issued (local time): 1 pm Saturday 16 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest