Block Island surfForecast / Rhode Island / USA

information circle48hr Weather and Surf, issued 1 am Monday 04 May 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
8.2° C
(Which is slightly cooler than normal)

How big are the waves at Block Island today?

The current surf forecast for Block Island at 6AM is: 0.6m 8s primary swell from a East direction and 0.6m 8s secondary swell from a South-southeast direction, 1.0m 5s secondary swell from a Southwest direction (forecast issued at 01:00am May 04). The wind direction is predicted to be cross-shore.

Time (EDT) & DateWave HeightWave Period
Morning (04 May)4.5ft (1.4m)5s
Afternoon (04 May)6ft (1.9m)6s
Evening (04 May)6ft (1.9m)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 9mm), mostly falling on Wed night. Very mild (max 13°C on Tue night, min 10°C on Mon morning). Winds decreasing (near gales from the SSW on Tue night, light winds from the SW by Wed night).

Monday
4
Tuesday
5
Wednesday
6
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
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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>
Wave
Height (m)
Direction
Period (s)
0.7
ESE
8
0.6
E
8
1.2
SW
5
1.7
SW
6
1.9
SW
6
2
SSW
6
1.9
SSW
7
1.7
SSW
6
1.8
SSW
6
1.9
SSW
7
2.1
SSW
7
2.2
SSW
7
2.3
SSW
7
2.5
SSW
7
3
SSW
8
3
SSW
8
2.5
SSW
8
2.5
SSW
8
2.4
SSW
7
2.2
SSW
7
2.1
SSW
7
1.8
SSW
7
1.7
SSW
7
1.7
SSW
7
Wave Graph
Metric surfscale
Energy kJ
72
51
74
198
261
312
316
253
257
302
401
480
565
675
963
927
766
712
627
503
432
303
255
255
Wind (km/h)
15
WSW
25
WSW
35
WSW
35
SW
40
SW
35
SW
35
SSW
35
SSW
30
SSW
35
SSW
35
SSW
40
SSW
40
SSW
45
SSW
50
SSW
45
SSW
45
SSW
40
SSW
30
SSW
35
SSW
35
SSW
35
SSW
40
S
40
SW
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
10:17AM0.68m
10:33PM0.87m
10:52AM0.65m
11:08PM0.82m
11:30AM0.63m
Low Tide
4:21AM0.06m
3:29PM0.09m
4:58AM0.10m
4:08PM0.12m
5:38AM0.14m
4:52PM0.16m
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
mod rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:39
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:45
7:46
7:47
8
1
Temp °C
11
10
10
11
11
11
11
12
12
11
11
11
11
12
13
13
13
12
12
12
12
13
12
12
6
4
3
3
3
3
4
4
5
4
4
3
3
3
3
5
5
5
6
5
5
7
5
5
Swell 1
Height (m)
Direction
Period (s)
0.7
ESE
8
0.6
E
8
0.6
S
9
0.5
E
9
0.4
E
9
0.3
E
9
0.2
E
9
0.2
E
9
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
9
0.1
E
10
0.1
E
10
0.1
E
10
0.1
E
10
0.1
E
10
0.1
SE
10
0.2
ESE
10
0.1
SE
10
0.1
SE
10
0.1
E
9
Energy kJ
72
51
56
37
25
14
6
6
1
2
2
2
2
2
2
2
2
2
4
9
4
4
2
Swell 2
Height (m)
Direction
Period (s)
0.6
S
8
0.6
SSE
8
0.6
E
8
0.1
SE
9
0.1
E
10
0.1
E
9
0.1
E
9
Energy kJ
44
48
52
3
2
2
2
Swell 3
Height (m)
Direction
Period (s)
0.3
SSE
10
0.1
E
12
Energy kJ
19
3
Wind waves
Height (m)
Direction
Period (s)
0.6
WSW
5
0.9
SW
4
1.2
SW
5
1.7
SW
6
1.9
SW
6
2
SSW
6
1.9
SSW
7
1.7
SSW
6
1.8
SSW
6
1.9
SSW
7
2.1
SSW
7
2.2
SSW
7
2.3
SSW
7
2.5
SSW
7
3
SSW
8
3
SSW
8
2.5
SSW
8
2.5
SSW
8
2.4
SSW
7
2.2
SSW
7
2.1
SSW
7
1.8
SSW
7
1.7
SSW
7
1.7
SSW
7
Energy kJ
16
27
74
198
261
312
316
253
257
302
401
480
565
675
963
927
766
712
627
503
432
303
255
255
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
Distance (km)
24
24
131
1804
2371
2375
24
2371
24
24
24
1805
1805
1805
1805
1493
1157
1493
24
216
1157
24
216
216
Best forecast wave conditions in Rhode Island
Rating
(10 max)
1
1
1
1
1
2
1
Best forecast wave conditions in United States
Rating
(10 max)
4
3
4
3
3
3
3
3
3
3
3
3
2
2
2
2
2
3
2
2
2
2
1
Header Global
Rating
(10 max)
4
4
5
5
4
5
4
5
5
5
5
5
5
5
5
5
5
5
9
6
5
8
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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