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 — and sunset is at —.

Days 1–4 Weather Summary

Moderate rain (total 18mm), heaviest on Thu night. Low air temperatures (max 6°C on Thu night, min 2°C on Fri night). Winds decreasing (fresh winds from the SSW on Thu night, calm by Fri afternoon).

Days 5–7 Weather Summary

Moderate rain (total 13mm), heaviest on Sun night. Icy conditions (max 5°C on Mon night, min -3°C on Tue night). Winds decreasing (fresh winds from the NE on Mon night, light winds from the NNE by Wed afternoon).

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Fri night, min -2°C on Wed night). Winds increasing (light winds from the NNE on Thu morning, fresh winds from the NE by Sat afternoon).

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Sat night, min -7°C on Mon night). Winds decreasing (strong winds from the NE on Sat night, light winds from the NNE by Tue night).

Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Sat
28
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
AM
Wave Height Map
High Tide
10:44PM4.18m
10:12AM5.01m
11:31PM4.41m
11:03AM5.20m
00:10AM4.65m
11:48AM5.38m
00:46AM4.88m
12:30PM5.52m
1:20AM5.11m
1:10PM5.60m
1:53AM5.32m
1:51PM5.59m
2:26AM5.48m
2:32PM5.49m
3:00AM5.59m
3:15PM5.29m
3:37AM5.64m
4:02PM5.02m
4:16AM5.61m
4:55PM4.71m
5:01AM5.51m
5:58PM4.40m
5:54AM5.37m
7:15PM4.18m
8:40PM4.15m
8:15AM5.18m
9:58PM4.32m
9:29AM5.26m
Low Tide
4:09AM2.77m
5:08PM1.40m
5:03AM2.56m
5:51PM1.16m
5:49AM2.30m
6:29PM0.95m
6:31AM2.05m
7:05PM0.81m
7:11AM1.81m
7:39PM0.77m
7:51AM1.59m
8:13PM0.84m
8:32AM1.43m
8:48PM1.01m
9:14AM1.32m
9:23PM1.28m
9:59AM1.28m
10:02PM1.62m
10:49AM1.32m
10:44PM1.99m
11:48AM1.40m
11:35PM2.35m
12:55PM1.48m
00:41AM2.64m
2:11PM1.48m
2:01AM2.77m
3:26PM1.36m
3:23AM2.69m
Wave
height (m) 
direction
period (s) 
0.4
SSW
4
0.2
SSW
3
0.1
S
2
0.1
SW
3
0.1
N
2
0.1
SW
4
0.1
W
2
0
W
15
0.2
SSE
3
0.3
SE
3
0.2
ESE
3
0.1
E
2
0.4
NE
2
0.4
NE
3
0.3
NE
2
0.1
E
2
0.1
E
2
0
E
2
0
E
2
0.1
W
2
0.1
N
2
0.1
N
2
0.1
E
2
0.1
E
2
0.3
ESE
2
0.4
E
3
0.4
E
4
0.5
E
4
0.4
E
4
0.5
NE
3
0.5
NE
3
0.4
NE
3
0.4
NE
3
0.3
NE
2
0.2
E
3
0.1
E
3
0.1
S
9
0
W
9
0.1
SE
2
0.6
SSE
4
0.3
WSW
3
0.1
SW
3
0.3
SW
3
0.4
WSW
3
0.1
SW
2
0.6
SSE
4
0.4
S
3
mod rain
rain showers
cloud
clear
clear
clear
part cloud
light rain
light rain
heavy rain
light rain
part cloud
cloud
clear
clear
clear
cloud
clear
part cloud
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
light snow
light snow
light rain
light snow
rain showers
cloud
light rain
heavy rain
light rain
mod rain
rain shwrs
cloudy
clear
clear
clear
some clouds
light rain
light rain
heavy rain
light rain
some clouds
cloudy
clear
clear
clear
cloudy
clear
some clouds
clear
clear
clear
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
some clouds
clear
clear
some clouds
some clouds
cloudy
light snow
light snow
light rain
light snow
rain shwrs
cloudy
light rain
heavy rain
light rain
 km/h
25
SSW
10
SW
5
ESE
10
N
15
N
20
NW
15
NNW
5
NE
25
SSE
30
ESE
20
ENE
15
NE
30
NE
35
NE
25
NE
15
NE
15
NE
10
NNE
10
N
10
NNE
10
NNE
10
NNE
10
E
20
ESE
30
ESE
30
ENE
35
NE
35
NE
35
NE
35
NE
40
NE
30
NE
30
NE
25
NE
20
NE
15
NE
10
NNE
10
ENE
25
SE
35
SSE
25
WNW
5
N
25
WSW
25
WNW
15
SW
40
SE
25
SSW
 mm 
10
2
1
5
12
1
26
5
1
2
1
29
2
max°C
6
6
5
4
4
5
4
4
4
3
4
4
5
0
0
-1
-2
-1
-2
-1
0
-2
-1
2
3
2
3
2
1
0
-2
-4
-3
-4
-5
-3
-4
-2
0
7
5
2
5
4
4
8
8
Moonrise
6:45
7:17
7:39
7:55
8:07
8:17
8:27
8:37
8:48
9:03
9:24
9:56
10:45
11:54
1:19
2:50
Moonset
1:07
2:22
3:44
5:07
6:30
7:53
9:17
10:43
12:12
1:44
3:14
4:34
5:35
6:17
6:43
Sunrise
8:00
7:58
7:56
7:54
7:52
7:48
7:47
7:45
7:43
7:41
7:39
7:35
7:33
7:31
7:30
7:28
Sunset
5:46
5:47
5:50
5:52
5:53
5:55
5:58
6:00
6:01
6:04
6:06
6:07
6:09
6:12
6:13
Today's sea temperature in Block Islands is
7.7° C
(Statistics for 12 Feb 1981-2005 – mean: 7.1 max: 9.0 min: 5.7°C)
Issued (local time): 9 pm Thursday 12 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest