Block Island surfForecast / Rhode Island / USA

information circle48hr Weather and Surf, issued 7 am Monday 27 Apr 2026 EDT
Forecast update in hr  min  s Forecast update imminent
Block Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Block Island sea temperature is
7.0° C
(Which is 1.0°C colder than average for this time of year)

How big are the waves at Block Island today?

The current surf forecast for Block Island at 3PM is: 1.0m 7s primary swell from a East-southeast direction and 0.2m 12s secondary swell from a East-southeast direction, 0.2m 6s secondary swell from a South direction (forecast issued at 07:00am April 27). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (27 Apr)3ft (0.9m)7s
Afternoon (27 Apr)3.5ft (1.0m)7s
Evening (27 Apr)3.5ft (1.1m)7s

Table - waves today at Block Island. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Wed night. Very mild (max 13°C on Mon night, min 6°C on Tue night). Wind will be generally light.

Monday
27
Tuesday
28
Wednesday
29
Thu
30
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
Rating
(10 max)
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
2
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.8
ESE
7
0.8
ESE
7
0.9
ESE
7
1
ESE
7
1.1
ESE
7
1.1
E
7
1.3
ESE
10
1.5
ESE
10
1.4
ESE
10
1.4
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.6
E
10
1.4
E
10
1.3
E
10
1.2
E
10
1.2
E
10
1.1
E
10
1.1
E
9
1
ESE
9
1
ESE
9
1
ESE
9
Wave Graph
Metric surfscale
Energy kJ
57
64
81
111
136
131
315
391
363
332
325
304
311
325
453
363
305
260
268
226
207
173
169
169
Wind (km/h)
20
NNE
20
NNE
20
ENE
20
E
15
E
20
ENE
15
NE
20
NE
20
NNE
25
NNE
20
ENE
20
E
20
E
20
ENE
20
NE
20
NNE
20
NNE
15
NE
10
E
10
SSE
15
S
15
SSE
15
SE
15
SSE
cross-off
cross-off
cross
cross
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-on
on
on
on
on
on
High Tide
5:32AM0.76m
6:02PM0.90m
6:22AM0.76m
6:48PM0.94m
7:07AM0.77m
7:29PM0.96m
Low Tide
11:57AM0.02m
00:30AM0.03m
12:38PM0.02m
1:15AM0.01m
1:12PM0.03m
1:55AM-0.01m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:48
5:47
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:37
7:38
7:39
7:40
Temp °C
9
9
11
12
12
13
11
10
9
8
9
10
10
9
6
6
6
6
8
8
8
8
8
7
4
3
6
6
7
8
6
4
3
1
3
4
4
3
0
1
1
2
5
5
4
5
4
4
Swell 1
Height (m)
Direction
Period (s)
0.8
ESE
7
0.8
ESE
7
0.9
ESE
7
0.2
ESE
12
0.2
ESE
12
0.4
SE
10
1.3
ESE
10
1.5
ESE
10
1.4
ESE
10
1.4
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.4
E
9
1.6
E
10
1.4
E
10
1.3
E
10
1.2
E
10
1.2
E
10
1.1
E
10
1.1
E
9
1
ESE
9
1
ESE
9
1
ESE
9
Energy kJ
57
64
81
14
14
28
315
391
363
332
325
304
311
325
453
363
305
260
268
226
207
173
169
169
Swell 2
Height (m)
Direction
Period (s)
0.3
S
7
0.3
S
7
0.3
S
6
0.2
S
6
0.1
S
6
0.1
S
6
0.1
S
6
Energy kJ
8
8
7
3
1
1
1
Swell 3
Height (m)
Direction
Period (s)
0.3
ESE
12
0.3
ESE
12
0.2
ESE
12
0.1
S
6
0.1
S
6
0.1
S
6
0.1
S
6
Energy kJ
28
28
14
1
1
1
1
Wind waves
Height (m)
Direction
Period (s)
0.4
NNE
3
0.4
NE
3
1
ESE
7
1.1
ESE
7
1.1
E
7
Energy kJ
3
3
111
136
131
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
2
1
1
1
2
2
1
Distance (km)
49
25
25
1095
24
24
24
24
24
24
25
130
130
24
24
24
24
0
24
24
26
115
161
26
Best forecast wave conditions in Rhode Island
Rating
(10 max)
1
1
1
1
1
1
1
1
1
3
2
1
1
2
1
1
Best forecast wave conditions in United States
Rating
(10 max)
1
1
1
2
2
1
2
2
2
2
2
1
1
3
2
2
3
3
3
3
2
2
2
4
Header Global
Rating
(10 max)
6
6
6
6
5
5
5
5
5
5
5
8
9
9
9
8
7
6
9
9
8
6
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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