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 05:43 PM.

Days 1–4 Weather Summary

Light rain (total 7mm), mostly falling on Sat night. Icy conditions (max 11°C on Sun afternoon, min 0°C on Fri afternoon). Winds decreasing (fresh winds from the NNE on Fri afternoon, calm by Fri night).

Days 5–7 Weather Summary

Light rain (total 2mm), mostly falling on Wed night. Cool air temperatures (max 13°C on Tue morning, min 7°C on Mon afternoon). Mainly strong winds.

Days 8–10 Weather Summary

Light rain (total 3mm) at first, then becoming colder with a dusting of snow on Thu night. Freeze-thaw conditions (max 9°C on Thu afternoon, min -4°C on Thu night). Winds decreasing (strong winds from the WNW on Thu night, light winds from the NNW by Sat night).

Days 11–13 Weather Summary

Light rain (total 3mm) at first, then becoming colder with a dusting of snow on Wed afternoon. Freeze-thaw conditions (max 9°C on Mon morning, min -3°C on Tue night). Winds increasing (light winds from the SSW on Sun afternoon, near gales from the SSE by Mon morning).

Fri
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
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
High Tide
9:56PM0.86m
10:09AM0.68m
10:34PM0.80m
10:43AM0.61m
11:14PM0.74m
11:19AM0.55m
00:01AM0.68m
12:02PM0.51m
1:08AM0.63m
1:09PM0.48m
2:34AM0.61m
2:51PM0.49m
3:42AM0.63m
4:02PM0.55m
4:34AM0.67m
4:54PM0.62m
5:15AM0.72m
5:36PM0.70m
5:51AM0.77m
6:13PM0.79m
6:27AM0.82m
6:48PM0.87m
7:04AM0.86m
7:23PM0.94m
7:43AM0.88m
8:01PM0.99m
8:24AM0.88m
Low Tide
3:11PM-0.03m
4:04AM-0.02m
3:34PM0.01m
4:42AM0.05m
4:05PM0.05m
5:27AM0.12m
4:45PM0.09m
6:39AM0.18m
5:35PM0.13m
8:11AM0.20m
6:43PM0.16m
9:19AM0.19m
8:48PM0.16m
10:12AM0.15m
10:06PM0.12m
10:56AM0.09m
10:58PM0.07m
11:33AM0.02m
11:43PM0.02m
12:06PM-0.04m
00:23AM-0.05m
12:36PM-0.09m
1:02AM-0.10m
1:05PM-0.12m
1:41AM-0.14m
1:36PM-0.15m
2:21AM-0.16m
2:10PM-0.15m
Wave
height (m) 
direction
period (s) 
1.1
NE
4
0.8
ESE
9
0.7
SE
9
0.7
SE
9
0.9
ESE
9
1.1
S
7
1
S
8
0.9
S
7
0.7
S
7
0.7
S
7
0.7
S
7
0.7
S
7
0.6
SSE
7
0.5
S
6
0.6
S
6
1.5
S
6
1.2
S
7
1.2
S
8
2
S
8
1.7
S
9
1.4
S
9
0.9
S
9
1
S
8
1.5
S
7
1.2
S
7
0.7
S
7
0.6
S
7
0.4
SE
7
0.4
SSE
7
2.3
SSE
6
3
SSE
8
2.1
SSE
8
1.5
SSW
7
0.9
SSE
8
0.6
SSE
8
0.5
SE
8
0.8
SE
5
1.4
SE
7
1.4
SE
9
1.1
SE
9
0.7
SE
9
0.6
ESE
9
0.4
ESE
9
1.8
SE
5
1.8
SSE
8
1.6
S
9
1.5
SW
7
cloud
cloud
cloud
cloud
light rain
cloud
light rain
part cloud
cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
snow showers
clear
clear
part cloud
clear
cloud
part cloud
clear
part cloud
cloud
cloud
light rain
rain showers
clear
clear
part cloud
cloud
light snow
light snow
part cloud
clear
clear
cloud
cloud
heavy rain
cloud
clear
clear
cloudy
cloudy
cloudy
cloudy
light rain
cloudy
light rain
some clouds
cloudy
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
light rain
light rain
light rain
snow shwrs
clear
clear
some clouds
clear
cloudy
some clouds
clear
some clouds
cloudy
cloudy
light rain
rain shwrs
clear
clear
some clouds
cloudy
light snow
light snow
some clouds
clear
clear
cloudy
cloudy
heavy rain
cloudy
clear
clear
 km/h
30
NNE
20
ENE
15
SSW
25
SW
30
SW
25
SW
20
WSW
20
W
15
SSW
20
SW
20
WSW
20
WSW
20
SW
15
SSW
25
SSW
40
SW
25
SW
25
SSW
40
SSW
45
WNW
40
NW
20
WSW
35
SSW
40
SW
25
SW
10
NNW
20
NNW
15
WSW
25
SE
55
SSE
60
S
50
W
40
WNW
30
NW
15
N
25
E
25
E
40
NNE
30
N
10
SSW
10
WSW
10
ESE
15
SSE
55
SE
35
W
45
W
50
W
 mm 
4
3
1
1
3
2
1
26
max°C
0
2
3
7
9
10
11
10
5
8
12
13
11
9
9
9
9
8
9
2
2
2
5
5
9
7
4
5
5
9
9
5
1
2
-2
1
-1
0
4
4
4
5
7
8
7
8
4
Moonrise
9:24
10:29
12:33
1:35
2:34
3:26
4:12
4:49
5:21
5:48
6:12
6:35
6:57
7:21
7:48
Moonset
7:45
9:11
9:43
10:20
11:06
12:00
1:01
2:07
3:15
4:25
5:35
6:46
7:59
9:15
10:33
Sunrise
6:11
7:09
6:07
6:05
6:03
6:03
6:01
5:58
5:58
5:56
5:54
5:52
5:50
5:48
5:48
Sunset
5:43
5:44
6:45
5:45
5:46
5:47
5:49
5:50
5:52
5:52
5:53
5:54
5:55
5:57
5:58
5:59
Today's sea temperature in Block Island (SW end), Block Island Sound is
2.4° C
(Statistics for 06 Mar 1981-2005 – mean: 4.4 max: 6.1 min: 3.1°C)
Issued (local time): 6 pm Friday 06 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest