Block Islands Sea Conditions and Tide Table

Block Islands 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 06:54 AM and sunset is at 08:27 PM.

Days 1–3 Weather Summary

Mostly dry. Cool air temperatures (max 10°C on Fri afternoon, min 3°C on Thu morning). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 14mm) heaviest on Tue morning, then becoming colder with a dusting of snow on Tue afternoon. Cool air temperatures (max 10°C on Sun afternoon, min 2°C on Tue morning). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 8mm), mostly falling on Fri night. Mild temperatures (max 7°C on Wed afternoon, min 4°C on Wed morning). Winds decreasing (fresh winds from the NW on Wed afternoon, calm by Fri night).

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Sat morning. Mild temperatures (max 9°C on Sun afternoon, min 4°C on Sat morning). Winds increasing (calm on Sat night, fresh winds from the NE by Tue morning).

Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Fri
24
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
6:40AM4.72m
8:10PM4.15m
7:46AM4.60m
9:18PM4.22m
8:58AM4.60m
10:16PM4.40m
10:05AM4.70m
11:03PM4.66m
11:03AM4.87m
11:44PM4.96m
11:56AM5.05m
00:22AM5.27m
12:44PM5.20m
00:58AM5.56m
1:31PM5.31m
1:35AM5.79m
2:17PM5.34m
2:14AM5.94m
3:04PM5.28m
2:55AM5.98m
3:53PM5.15m
3:38AM5.92m
4:44PM4.97m
4:26AM5.75m
5:40PM4.76m
5:19AM5.50m
6:43PM4.59m
6:21AM5.22m
Low Tide
1:41PM1.82m
1:46AM2.89m
2:46PM1.86m
3:01AM2.82m
3:48PM1.79m
4:08AM2.59m
4:42PM1.67m
5:04AM2.25m
5:28PM1.55m
5:53AM1.83m
6:10PM1.45m
6:38AM1.40m
6:51PM1.42m
7:21AM1.00m
7:30PM1.44m
8:04AM0.67m
8:11PM1.54m
8:49AM0.47m
8:52PM1.69m
9:34AM0.41m
9:36PM1.88m
10:23AM0.50m
10:24PM2.10m
11:17AM0.71m
11:17PM2.32m
12:15PM0.98m
00:21AM2.51m
1:19PM1.24m
Wave
height (m) 
direction
period (s) 
0.1
NW
2
0.2
W
3
0.1
W
2
0.1
SW
3
0.1
SW
4
0.2
WNW
3
0.1
SW
4
0.2
W
3
0.1
S
16
0.1
S
16
0.1
SW
4
0.1
W
2
0.2
SSW
2
0.1
SW
3
0.3
SSW
3
0.2
S
3
0.1
S
15
0.1
S
14
0.2
WNW
3
0.4
NW
2
0.2
W
3
0.1
S
13
0.1
W
2
0.1
W
2
0
W
14
0.1
SW
3
0.1
S
14
0.2
SSE
3
0.1
SE
3
0.1
SW
3
0.1
S
14
0.1
S
13
0.1
S
15
0.2
E
3
0.1
S
4
0.1
S
3
0.4
NE
3
0.4
NE
2
0.1
NE
2
0.1
NE
2
0.1
SW
3
0.2
W
2
0.2
WNW
2
0.2
WSW
3
0.2
SSE
3
0.3
SSE
4
0.4
S
3
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
light rain
cloud
light rain
mod rain
light snow
rain showers
clear
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
mod rain
light rain
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
light rain
mod rain
light rain
clear
clear
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
light rain
cloudy
light rain
mod rain
light snow
rain shwrs
clear
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
mod rain
light rain
light rain
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
clear
clear
clear
some clouds
some clouds
some clouds
light rain
mod rain
light rain
 km/h
15
NNW
25
NW
15
NNW
10
NNW
25
WNW
20
NW
15
NW
25
WNW
5
N
5
SW
20
NW
15
NW
20
WSW
15
SW
25
SSW
5
SE
5
NW
10
NNW
30
NW
35
NW
25
NW
15
NW
20
WNW
15
NW
10
NW
10
WSW
5
SW
20
SE
15
ESE
15
NW
5
N
5
SW
10
NNE
20
ENE
10
S
15
SE
30
NE
25
NE
20
NNE
15
NE
15
WNW
20
NW
25
NW
15
WSW
25
SE
25
S
30
S
 mm 
1
3
6
2
2
1
7
2
1
1
7
5
max°C
5
9
8
7
10
8
8
9
9
8
10
8
7
7
6
3
2
3
6
7
6
6
7
6
6
6
4
4
5
5
6
9
8
6
8
7
6
9
9
7
10
9
7
8
7
7
7
Moonrise
4:14
4:43
5:04
5:19
5:31
5:42
5:52
6:02
6:15
6:33
6:58
7:37
8:35
9:52
11:20
12:48
Moonset
10:43
11:57
1:17
2:38
4:00
5:23
6:49
8:19
9:53
11:30
1:03
2:21
3:16
3:51
4:14
Sunrise
6:54
6:52
6:48
6:47
6:45
6:43
6:39
6:37
6:35
6:33
6:31
6:28
6:26
6:24
6:22
6:20
Sunset
8:27
8:29
8:30
8:32
8:35
8:37
8:37
8:39
8:42
8:44
8:45
8:46
8:49
8:51
8:52
8:53
Today's sea temperature in Block Islands is
7.4° C
(Statistics for 09 Apr 1981-2005 – mean: 7.7 max: 9.0 min: 6.7°C)
Issued (local time): 4 am Thursday 09 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest