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

A dusting of snow. Milder later with heavy rain (total 41mm) on Wed morning. Low air temperatures (max 6°C on Wed morning, min 1°C on Mon morning). Winds increasing (calm on Mon morning, near gales from the ESE by Tue night).

Days 5–7 Weather Summary

Heavy rain (total 61mm), heaviest during Thu night. Low air temperatures (max 7°C on Thu morning, min 3°C on Wed night). Winds decreasing (near gales from the SE on Wed night, light winds from the E by Fri morning).

Days 8–10 Weather Summary

Heavy rain (total 23mm), heaviest during Sat night. Mild temperatures (max 8°C on Tue afternoon, min 3°C on Mon morning). Winds decreasing (strong winds from the SE on Sat night, light winds from the NNE by Mon afternoon).

Days 11–13 Weather Summary

Heavy rain (total 69mm), heaviest during Wed morning. Mild temperatures (max 8°C on Wed afternoon, min 3°C on Fri morning). Winds decreasing (strong winds from the S on Wed afternoon, light winds from the NNE by Fri afternoon).

Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Fri
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
Wave Height Map
High Tide
3:48AM5.41m
4:16PM4.98m
4:19AM5.32m
4:57PM4.75m
4:54AM5.18m
5:43PM4.51m
5:32AM5.02m
6:36PM4.27m
6:18AM4.85m
7:42PM4.10m
7:18AM4.72m
8:59PM4.07m
8:30AM4.69m
10:10PM4.20m
9:44AM4.80m
11:07PM4.44m
10:49AM5.01m
11:53PM4.76m
11:45AM5.25m
00:33AM5.11m
12:36PM5.47m
1:11AM5.45m
1:25PM5.61m
Low Tide
9:42PM1.61m
10:11AM1.32m
10:14PM1.87m
10:49AM1.40m
10:48PM2.16m
11:32AM1.52m
11:25PM2.44m
12:20PM1.68m
00:09AM2.70m
1:18PM1.80m
1:08AM2.90m
2:27PM1.84m
2:24AM2.96m
3:37PM1.74m
3:43AM2.85m
4:39PM1.55m
4:49AM2.56m
5:31PM1.31m
5:44AM2.16m
6:17PM1.11m
6:33AM1.72m
6:59PM0.98m
7:19AM1.28m
Wave
height (m) 
direction
period (s) 
0.1
W
2
0.1
S
11
0.1
S
3
0.2
SSE
3
0.5
SSE
4
0.6
SSE
4
0.6
SE
4
0.4
SE
4
0.3
SSW
11
0.7
SSE
5
0.4
SSW
3
0.6
SSE
4
0.6
SSE
4
0.2
SSW
10
0.3
S
3
0.4
SSE
4
0.4
SSE
4
0.6
S
4
0.5
SE
4
0.3
SSW
3
0.2
S
3
0.1
S
4
0.1
NE
2
0.1
S
11
0.1
S
14
0.1
E
2
0.1
SW
8
0.3
E
3
0.4
SE
3
0.6
S
4
0.5
S
4
0.4
SSE
4
0.4
SE
3
0.2
SSE
3
0.1
S
4
0.1
SW
3
part cloud
light snow
snow showers
part cloud
cloud
light rain
mod rain
heavy rain
heavy rain
mod rain
rain showers
light rain
heavy rain
light rain
light rain
mod rain
light rain
light rain
heavy rain
rain showers
rain showers
rain showers
part cloud
cloud
part cloud
part cloud
cloud
mod rain
heavy rain
light rain
light rain
light rain
heavy rain
rain showers
mod rain
light rain
some clouds
light snow
snow shwrs
some clouds
cloudy
light rain
mod rain
heavy rain
heavy rain
mod rain
rain shwrs
light rain
heavy rain
light rain
light rain
mod rain
light rain
light rain
heavy rain
rain shwrs
rain shwrs
rain shwrs
some clouds
cloudy
some clouds
some clouds
cloudy
mod rain
heavy rain
light rain
light rain
light rain
heavy rain
rain shwrs
mod rain
light rain
 km/h
15
WNW
5
SSE
10
ESE
15
SSE
40
SSE
45
SE
50
ESE
25
ESE
20
NE
45
S
30
S
45
SE
40
SE
10
SE
15
SSE
25
SSE
25
SSE
45
SSE
40
SE
20
SW
20
S
15
E
15
NNE
5
NNE
10
ENE
15
ENE
15
ENE
25
ENE
30
SE
45
S
35
SSW
35
SE
30
SE
15
SE
15
ENE
15
N
 mm 
2.0
9
15
15
10
2.0
2.0
27
2.0
2.0
8
4
4
18
3
1.0
1.0
8
14
5
5
4
12
8
8
4
max°C
4
3
3
5
5
4
5
6
3
6
7
7
7
4
6
6
7
6
5
7
7
7
4
7
7
5
8
7
7
8
7
6
5
6
3
5
Moonrise
11:00
12:15
1:32
2:48
3:58
4:57
5:40
6:11
6:32
6:47
6:59
7:09
Moonset
8:20
8:30
8:42
8:59
9:23
10:00
10:54
12:05
1:28
2:58
4:29
6:01
7:34
Sunrise
7:48
7:47
7:43
7:41
7:39
7:37
7:35
7:31
7:30
7:26
7:24
7:22
Sunset
7:45
7:47
7:50
7:51
7:52
7:54
7:57
7:59
8:00
8:01
8:04
8:06
Today's sea temperature in Block Islands is 7.1 °C (Statistics for 16 Mar 1981-2005 – mean: 7.2 max: 8.9 min: 6.2°C)
Issued (local time): 10 pm Sunday 16 Mar 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest