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 06:13 AM and sunset is at 09:00 PM.

Days 1–3 Weather Summary

Heavy rain (total 36mm), heaviest during Sun night. Cool air temperatures (max 10°C on Mon afternoon, min 7°C on Sun morning). Winds increasing (calm on Sun morning, strong winds from the SE by Sun night).

Days 4–6 Weather Summary

Heavy rain (total 90mm), heaviest during Thu night. Low air temperatures (max 9°C on Wed night, min 6°C on Fri morning). Winds decreasing (fresh winds from the ESE on Thu morning, calm by Fri morning).

Days 7–9 Weather Summary

Heavy rain (total 40mm), heaviest during Sun night. Mild temperatures (max 9°C on Sat morning, min 6°C on Sun morning). Winds decreasing (fresh winds from the SE on Sun afternoon, calm by Mon night).

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Thu afternoon. Mild temperatures (max 9°C on Wed afternoon, min 5°C on Wed night). Wind will be generally light.

Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
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
1:58PM5.35m
1:54AM6.09m
2:48PM5.30m
2:37AM6.11m
3:38PM5.18m
3:22AM6.01m
4:30PM5.00m
4:09AM5.80m
5:24PM4.80m
5:01AM5.51m
6:23PM4.62m
5:59AM5.19m
7:27PM4.52m
7:05AM4.90m
8:33PM4.52m
8:18AM4.69m
9:35PM4.63m
9:30AM4.60m
10:26PM4.79m
10:35AM4.60m
11:09PM4.97m
11:31AM4.65m
11:48PM5.14m
Low Tide
7:44AM0.53m
7:49PM1.53m
8:32AM0.31m
8:34PM1.68m
9:19AM0.26m
9:20PM1.87m
10:08AM0.38m
10:09PM2.08m
11:00AM0.62m
11:02PM2.30m
11:56AM0.93m
00:02AM2.49m
12:56PM1.24m
1:10AM2.60m
1:59PM1.50m
2:25AM2.58m
3:02PM1.68m
3:36AM2.42m
4:00PM1.79m
4:38AM2.17m
4:50PM1.86m
5:29AM1.87m
5:35PM1.91m
Wave
height (m) 
direction
period (s) 
0.1
S
19
0.1
S
3
0.4
SSE
4
0.4
S
4
0.2
SSW
4
0.1
SW
4
0.1
SW
4
0.2
WSW
3
0.1
S
18
0.1
S
3
0.1
S
4
0.3
SSE
3
0.4
SE
3
0.4
SE
3
0.3
SE
3
0.1
S
15
0.1
S
15
0.1
S
14
0.1
W
2
0.1
SW
3
0.2
SSE
3
0.4
SE
3
0.5
S
4
0.5
S
4
0.4
WSW
3
0.2
WSW
3
0.1
S
16
0.1
S
15
0.1
S
4
0.1
S
14
0.1
S
14
0.3
S
3
0.2
SSE
3
0.3
SSE
4
0.2
SSE
4
0.1
SE
3
part cloud
part cloud
heavy rain
heavy rain
light rain
rain showers
clear
part cloud
part cloud
part cloud
part cloud
light rain
heavy rain
heavy rain
heavy rain
heavy rain
cloud
part cloud
clear
clear
rain showers
light rain
mod rain
heavy rain
light rain
clear
rain showers
cloud
cloud
cloud
cloud
cloud
light rain
light rain
rain showers
light rain
some clouds
some clouds
heavy rain
heavy rain
light rain
rain shwrs
clear
some clouds
some clouds
some clouds
some clouds
light rain
heavy rain
heavy rain
heavy rain
heavy rain
cloudy
some clouds
clear
clear
rain shwrs
light rain
mod rain
heavy rain
light rain
clear
rain shwrs
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
light rain
rain shwrs
light rain
 km/h
5
SW
10
SSW
35
SE
25
SSW
10
WSW
15
WNW
15
NW
20
W
10
NNW
15
SE
15
SSE
30
SE
30
ESE
30
ESE
20
SE
0
SE
10
SSE
10
NW
20
NW
15
WSW
20
SSE
35
SE
30
SSE
35
S
30
WNW
20
WSW
5
SSW
10
E
15
ESE
5
NNE
5
W
25
SSE
15
SSE
25
SSE
20
SE
15
E
 mm 
20
14
1
1
2
18
24
35
11
2
4
6
22
5
1
3
2
3
1
max°C
8
9
9
9
10
9
8
9
8
7
8
9
8
9
9
7
8
8
9
9
8
7
8
9
9
8
8
6
7
7
8
9
7
7
7
7
Moonrise
5:50
6:08
6:35
7:16
8:17
9:35
10:59
12:23
1:43
2:59
4:12
5:24
Moonset
9:44
11:24
12:56
2:10
3:00
3:31
3:51
4:05
4:16
4:24
4:32
Sunrise
6:13
6:11
6:09
6:07
6:05
6:03
6:01
6:00
5:58
5:56
5:54
5:52
Sunset
9:00
9:01
9:02
9:05
9:07
9:08
9:09
9:12
9:14
9:15
9:16
9:19
Today's sea temperature in Block Islands is 8.5 °C (Statistics for 27 Apr 1981-2005 – mean: 8.6 max: 9.7 min: 7.4°C)
Issued (local time): 10 am Sunday 27 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest