Block Island (Old Harbor) Sea Conditions and Tide Table

Block Island (Old Harbor) 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 07:09 AM and sunset is at 04:23 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Sat morning. Icy conditions (max 14°C on Sun morning, min -1°C on Thu night). Winds increasing (light winds from the NW on Thu night, fresh winds from the S by Sun afternoon).

Days 4–6 Weather Summary

Heavy rain (total 33mm), heaviest during Sun night. Cool air temperatures (max 13°C on Sun night, min 7°C on Mon night). Winds decreasing (strong winds from the S on Sun night, light winds from the S by Tue afternoon).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 7°C on Wed night, min -1°C on Fri night). Mainly strong winds.

Days 10–12 Weather Summary

Heavy rain (total 31mm), heaviest during Mon night. Freeze-thaw conditions (max 12°C on Mon night, min -7°C on Sat night). Winds increasing (calm on Sun night, gales from the S by Mon night).

Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tue
7
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
5:06PM0.62m
5:31AM0.88m
5:47PM0.66m
6:11AM0.92m
6:26PM0.71m
6:50AM0.96m
7:07PM0.75m
7:30AM0.98m
7:49PM0.78m
8:12AM0.99m
8:34PM0.81m
8:56AM0.98m
9:22PM0.84m
9:43AM0.95m
10:11PM0.86m
10:32AM0.91m
11:04PM0.87m
11:23AM0.85m
11:58PM0.89m
12:18PM0.79m
00:56AM0.91m
1:19PM0.73m
Low Tide
11:24AM0.06m
10:38PM0.05m
12:10PM0.02m
11:22PM0.01m
12:52PM-0.01m
00:06AM-0.03m
1:31PM-0.04m
00:49AM-0.06m
2:08PM-0.06m
1:32AM-0.08m
2:42PM-0.07m
2:16AM-0.08m
3:16PM-0.08m
3:02AM-0.06m
3:52PM-0.09m
3:53AM-0.03m
4:32PM-0.08m
4:52AM0.01m
5:18PM-0.07m
6:12AM0.04m
6:11PM-0.06m
7:48AM0.05m
Wave
height (m) 
direction
period (s) 
0.3
ESE
11
0.3
ESE
11
0.4
SE
11
0.4
SE
10
0.4
ESE
10
0.4
ESE
9
0.4
SE
9
0.7
S
4
1.6
S
6
1.6
S
8
1.5
S
9
1.2
S
9
0.9
S
8
0.8
S
8
0.9
SSE
7
1.2
SSE
6
0.9
SSE
6
1.1
SW
5
0.8
W
4
1.2
WSW
4
0.9
W
4
0.9
W
4
0.9
WSW
4
1
W
4
0.8
W
4
0.9
W
4
0.8
WNW
4
0.8
WNW
4
0.5
NW
3
0.1
SE
12
0.2
ESE
2
0.8
SSE
4
3
S
8
2.1
S
10
1.9
S
10
clear
clear
part cloud
light rain
cloud
cloud
cloud
part cloud
heavy rain
rain showers
clear
clear
clear
part cloud
mod rain
light rain
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
cloud
light rain
heavy rain
mod rain
part cloud
clear
clear
some clouds
light rain
cloudy
cloudy
cloudy
some clouds
heavy rain
rain shwrs
clear
clear
clear
some clouds
mod rain
light rain
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
light rain
heavy rain
mod rain
some clouds
 km/h
10
W
20
WSW
15
WSW
15
SSW
20
SW
15
SW
15
S
30
S
45
S
25
SW
25
WSW
25
W
15
W
10
S
30
ESE
15
SSE
20
W
45
WNW
35
W
45
W
40
W
40
WNW
40
W
40
W
35
WNW
40
WNW
40
WNW
35
NW
30
NW
10
NNW
15
SE
35
SSE
65
S
35
SW
45
WNW
 mm 
2.0
15
9
8
1.0
3
18
10
max°C
0
3
7
10
10
11
14
14
13
11
9
9
8
10
10
9
8
7
4
5
3
2
2
1
0
1
-2
-4
-3
-3
1
7
12
10
4
Moonrise
4:12
5:18
6:22
7:20
8:11
8:52
9:26
9:54
10:18
10:41
11:04
11:28
Moonset
1:31
2:08
2:56
3:55
5:02
6:15
7:29
8:43
9:56
11:09
12:22
Sunrise
7:09
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
7:11
Sunset
4:23
4:24
4:25
4:27
4:27
4:28
4:29
4:30
4:30
4:30
4:31
4:32
Today's sea temperature in Block Island (Old Harbor) is 8.4 °C (Statistics for 27 Dec 1981-2005 – mean: 7.7 max: 9.9 min: 5.5°C)
Issued (local time): 12 am Friday 27 Dec 2024
Forecast update inUpdates in  hr  min  sUpdate imminent
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