Block Island surfForecast / Rhode Island / USA

information circle48hr Weather and Surf, issued 1 pm Thursday 30 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
7.6° C
(Which is slightly cooler than normal)

How big are the waves at Block Island today?

The current surf forecast for Block Island at 6PM is: 1.2m 10s primary swell from a East-southeast direction (forecast issued at 01:00pm April 30). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (EDT) & DateWave HeightWave Period
Morning (30 Apr)4.5ft (1.3m)10s
Afternoon (30 Apr)4.5ft (1.3m)10s
Evening (30 Apr)4ft (1.2m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 14mm), heaviest on Sat night. Very mild (max 12°C on Fri night, min 7°C on Fri morning). Wind will be generally light.

Thu
30
Friday
1
Saturday
2
Sun
3
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
5 AM
8 AM
Rating
(10 max)
2
1
2
2
2
2
1
1
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>
<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)
1.3
ESE
10
1.3
ESE
10
1.2
ESE
10
1.2
ESE
10
1.2
ESE
10
1.1
ESE
10
1.1
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.8
ESE
9
0.8
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
8
0.7
ESE
8
0.7
ESE
8
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
Wave Graph
Metric surfscale
Energy kJ
325
295
253
248
248
210
197
153
149
146
116
106
103
79
77
75
75
75
77
77
79
82
82
80
Wind (km/h)
5
SE
5
WSW
15
W
15
W
15
WNW
15
NW
20
NW
15
NW
15
W
25
WSW
30
SW
25
WSW
30
WSW
20
WSW
20
SW
5
W
10
SSW
20
SSW
20
SSW
10
S
5
NE
15
N
20
N
20
NNW
glassy
cross
cross-off
cross-off
cross-off
off
off
off
cross-off
cross
cross
cross
cross
cross
cross
cross-off
cross-on
cross-on
cross-on
on
cross-off
off
off
off
High Tide
8:08PM0.97m
8:29AM0.75m
8:46PM0.96m
9:07AM0.73m
9:22PM0.94m
Low Tide
1:41PM0.04m
2:33AM-0.01m
2:03PM0.05m
3:10AM0.00m
2:26PM0.06m
3:45AM0.03m
cloud
cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:40
7:42
7:44
7:45
1
2
4
5
2
Temp °C
8
9
9
10
10
10
8
7
10
11
11
12
11
10
10
10
10
10
9
8
8
8
8
8
7
7
6
7
7
6
3
3
5
4
4
5
4
4
5
8
7
5
5
6
6
5
4
3
Swell 1
Height (m)
Direction
Period (s)
1.3
ESE
10
1.3
ESE
10
1.2
ESE
10
1.2
ESE
10
1.2
ESE
10
1.1
ESE
10
1.1
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.8
ESE
9
0.8
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
8
0.7
ESE
8
0.7
ESE
8
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
Energy kJ
325
295
253
248
248
210
197
153
149
146
116
106
103
79
77
75
75
75
77
77
79
82
82
80
Swell 2
Height (m)
Direction
Period (s)
0.1
S
7
0.1
S
6
0.1
S
6
0.6
SW
4
0.2
SSW
6
0.2
SSW
5
0.1
SW
5
0.4
SW
4
0.2
SSW
4
0.2
SSW
4
0.1
SW
4
Energy kJ
1
1
1
13
3
3
1
4
1
2
1
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
6
0.1
SW
5
0.1
S
5
0.1
SW
5
0.1
S
5
0.1
S
7
Energy kJ
3
1
1
1
1
1
Wind waves
Height (m)
Direction
Period (s)
0.3
WNW
2
0.5
NW
3
0.5
NW
3
0.4
WNW
3
0.7
W
4
0.8
WSW
4
0.8
WSW
4
0.9
SW
4
0.9
SW
4
0.6
SW
4
0.7
WSW
4
0.5
SW
5
0.6
SSW
5
0.6
SSW
4
0.4
SSW
4
Energy kJ
1
4
5
4
12
16
18
26
26
14
18
10
14
12
7
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
24
0
0
0
0
0
0
24
26
130
131
26
26
82
24
24
133
138
49
59
24
29
29
Best forecast wave conditions in Rhode Island
Rating
(10 max)
2
1
2
2
2
2
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
3
2
2
2
2
2
1
1
2
2
2
1
1
2
1
1
3
3
1
1
1
3
4
4
Header Global
Rating
(10 max)
5
6
6
6
7
7
5
6
5
5
5
9
7
5
5
4
4
4
4
4
4
5
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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