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 04:50 PM.

Days 1–4 Weather Summary

A dusting of new snow. Icy conditions (max 6°C on Thu afternoon, min -15°C on Fri night). Winds decreasing (strong winds from the W on Fri morning, light winds from the NNE by Sat night).

Days 5–7 Weather Summary

A heavy fall of snow, heaviest during Sun afternoon. Air temperatures will be below freezing (max -1°C on Sun night, min -10°C on Mon night). Winds decreasing (gales from the NE on Sun night, moderate winds from the WNW by Wed morning).

Days 8–10 Weather Summary

A moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 2°C on Fri morning, min -7°C on Fri night). Winds increasing (light winds from the N on Wed night, gales from the N by Fri morning).

Days 11–13 Weather Summary

Mostly dry. Temperatures will be below freezing (max -3°C on Mon afternoon, min -9°C on Mon night). Winds decreasing (strong winds from the WNW on Sat afternoon, moderate winds from the WNW by Mon morning).

Thu
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
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
10:11PM0.78m
10:27AM0.78m
10:53PM0.80m
11:14AM0.73m
11:43PM0.81m
12:08PM0.67m
00:40AM0.82m
1:09PM0.62m
1:49AM0.83m
2:20PM0.60m
3:06AM0.85m
3:35PM0.61m
4:20AM0.89m
4:44PM0.66m
5:23AM0.94m
5:45PM0.72m
6:19AM0.97m
6:40PM0.79m
7:09AM0.98m
7:30PM0.85m
7:55AM0.96m
8:19PM0.88m
8:39AM0.92m
9:05PM0.89m
9:22AM0.86m
9:50PM0.87m
10:03AM0.78m
Low Tide
3:49PM-0.08m
4:09AM-0.02m
4:23PM-0.07m
5:01AM-0.00m
5:04PM-0.05m
6:06AM0.02m
5:53PM-0.04m
7:35AM0.04m
6:51PM-0.03m
9:04AM0.03m
8:01PM-0.04m
10:15AM0.00m
9:21PM-0.06m
11:16AM-0.04m
10:37PM-0.10m
12:10PM-0.09m
11:43PM-0.14m
12:59PM-0.12m
00:41AM-0.17m
1:44PM-0.16m
1:34AM-0.18m
2:26PM-0.16m
2:23AM-0.16m
3:04PM-0.15m
3:10AM-0.12m
3:39PM-0.11m
3:56AM-0.07m
4:09PM-0.06m
Wave
height (m) 
direction
period (s) 
1
S
7
1.2
SW
6
1.1
WSW
4
1.4
WSW
5
1
WNW
4
0.8
NW
4
0.6
NW
3
0.4
SE
10
0.3
SE
10
0.6
E
3
1.9
ESE
6
2.3
SE
10
1.8
SE
10
1.3
SSE
10
0.9
SSE
10
1.3
SW
4
1.3
W
4
0.7
S
8
0.6
S
8
0.4
S
7
0.3
S
7
0.3
S
6
1.3
ENE
4
1.6
ENE
6
2.2
NNE
6
1.6
NW
5
1.7
WNW
5
1.4
WNW
5
1.1
WNW
4
0.9
WNW
4
0.8
WNW
4
0.5
WNW
3
0.4
NW
3
0.3
WNW
2
0.5
NW
3
0.4
NNW
3
0.4
NNW
3
0.5
NW
3
0.4
NW
3
0.4
W
3
0.2
SSW
4
0.3
S
4
0.4
SW
3
0.4
SSW
5
0.7
SW
3
1.2
WSW
4
1.3
SSW
6
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
light snow
mod snow
heavy snow
light snow
cloud
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
mod snow
snow showers
light snow
snow showers
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
clear
clear
part cloud
clear
cloudy
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
light snow
mod snow
heavy snow
light snow
cloudy
some clouds
some clouds
cloudy
some clouds
clear
some clouds
some clouds
cloudy
cloudy
mod snow
snow shwrs
light snow
snow shwrs
clear
clear
clear
clear
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
some clouds
clear
clear
some clouds
clear
 km/h
30
WSW
40
W
40
W
40
WNW
35
NW
30
NW
30
NW
20
NNW
20
ENE
35
ENE
55
ENE
55
NNE
40
N
35
NW
25
W
45
WSW
35
WNW
25
WNW
20
NW
15
NNW
10
NNE
20
ENE
55
NE
30
NE
65
NNW
55
NW
55
WNW
45
WNW
40
WNW
35
WNW
35
WNW
25
NW
20
WNW
20
NW
25
NW
25
NNW
25
NW
25
NW
20
NW
20
W
15
WNW
20
WSW
20
WSW
20
W
30
WSW
40
W
45
WNW
 mm 
max°C
6
4
-1
-1
-8
-11
-10
-11
-9
-6
-1
-1
-6
-6
-5
-3
-3
-4
-3
-4
-5
-4
1
2
-5
-6
-5
-4
-7
-5
-5
-6
-4
-3
-6
-4
-3
-4
-2
-1
-1
-1
0
0
1
2
2
Moonrise
9:27
9:49
10:14
10:43
11:20
12:07
1:06
2:17
3:34
4:52
6:07
7:18
8:26
9:32
10:36
Moonset
9:06
10:15
11:26
12:40
1:57
3:14
4:26
5:29
6:19
6:58
7:29
7:55
8:17
8:38
8:58
Sunrise
7:03
7:03
7:03
7:01
7:01
7:01
7:00
6:58
6:58
6:56
6:56
6:54
6:54
6:52
6:52
Sunset
4:50
4:52
4:52
4:53
4:54
4:55
4:58
4:59
5:00
5:00
5:02
5:04
5:05
5:06
5:07
5:08
Today's sea temperature in Block Island (SW end), Block Island Sound is
4.7° C
(Statistics for 22 Jan 1981-2005 – mean: 5.7 max: 7.5 min: 3.7°C)
Issued (local time): 6 pm Thursday 22 Jan 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest