Block Island surfForecast / Rhode Island / USA

information circle48hr Weather and Surf, issued 1 pm Saturday 16 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
9.2° C
(Which is 1.7°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 7PM is: 1.5m 5s primary swell from a South-southwest direction and 0.6m 9s secondary swell from a East-southeast direction, 0.2m 10s secondary swell from a South-southeast direction (forecast issued at 01:00pm May 16). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (16 May)3ft (0.9m)9s
Afternoon (16 May)2.5ft (0.7m)9s
Evening (16 May)5.5ft (1.7m)5s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 23°C on Sun afternoon, min 13°C on Mon afternoon). Winds decreasing (strong winds from the SW on Sat night, calm by Sun night).

Sat
16
Sunday
17
Monday
18
Tue
19
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)
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
SSE
9
0.7
ESE
9
0.7
ESE
9
1.5
SSW
5
2
SSW
6
1.8
SW
6
1.6
SW
6
1.4
SW
7
1
SSE
8
1
SSE
8
1.1
SW
7
1.3
SSW
7
1.1
SW
7
1.1
SSW
7
0.9
SSE
8
0.9
SSW
7
0.7
SSE
8
0.7
SSE
8
0.7
SSE
8
0.7
SSE
7
0.6
SSE
7
0.6
SSE
9
0.5
SE
9
0.6
SE
9
Wave Graph
Metric surfscale
Energy kJ
126
86
73
113
289
247
200
171
122
122
97
150
114
113
81
66
51
50
50
48
37
50
38
46
Wind (km/h)
15
SW
25
SW
30
SW
35
SSW
40
SW
30
SW
25
SW
20
WSW
15
WSW
25
SW
25
SW
20
WSW
20
W
5
NNW
25
ENE
25
E
20
E
20
E
15
ESE
10
ESE
10
S
15
SSW
20
SW
25
SW
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross
cross
cross-off
glassy
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
8:14PM1.16m
8:43AM0.87m
9:06PM1.17m
9:36AM0.88m
9:59PM1.13m
Low Tide
1:29PM-0.12m
2:56AM-0.12m
2:19PM-0.12m
3:50AM-0.10m
3:12PM-0.11m
4:47AM-0.07m
clear
clear
clear
clear
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
5:24
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:58
7:59
8:00
8:00
Temp °C
15
17
16
15
14
14
14
17
20
22
23
22
22
21
18
16
14
13
14
15
17
17
17
17
12
12
10
8
6
8
10
14
18
19
19
20
20
21
13
11
9
9
12
14
17
16
15
14
Swell 1
Height (m)
Direction
Period (s)
0.9
SSE
9
0.7
SSE
8
0.7
SSE
8
0.6
ESE
9
0.5
ESE
9
0.9
SSE
8
1
SSE
8
1
SSE
8
1.1
SW
6
1
SSE
8
0.9
SSE
8
0.6
SE
8
0.7
SE
8
1.1
SSW
7
0.8
SSW
7
0.9
SSW
7
0.7
SSE
8
0.7
SSE
8
0.7
SSE
8
0.7
SSE
7
0.6
SSE
7
0.6
SSE
9
0.5
SE
9
0.6
SE
9
Energy kJ
126
75
73
62
44
113
133
133
106
122
92
54
65
113
59
66
51
50
50
48
37
50
38
46
Swell 2
Height (m)
Direction
Period (s)
0.7
ESE
9
0.7
ESE
9
0.7
ESE
9
0.2
SSE
10
0.4
ESE
9
0.4
ESE
9
0.3
ESE
8
1
SSE
8
0.2
E
8
0.3
SSE
8
0.6
S
7
0.7
SE
8
0.9
SSE
8
0.7
SSE
8
0.7
SSW
7
0.6
SSW
6
0.6
SSW
6
0.3
E
4
0.2
E
4
0.1
SE
13
0.1
SE
13
Energy kJ
84
86
68
10
25
25
13
122
5
11
37
64
81
52
38
25
25
2
1
7
7
Swell 3
Height (m)
Direction
Period (s)
0.6
ESE
10
0.6
ESE
9
0.3
E
8
0.2
E
8
0.2
S
8
0.3
E
4
0.1
S
13
0.1
SE
13
0.1
SE
13
Energy kJ
63
58
12
5
4
2
4
7
7
Wind waves
Height (m)
Direction
Period (s)
0.3
SW
2
0.6
SW
3
0.9
SSW
4
1.5
SSW
5
2
SSW
6
1.8
SW
6
1.6
SW
6
1.4
SW
7
1.1
SW
6
1.1
SW
7
1.3
SSW
7
1.1
SW
7
0.3
ENE
3
0.5
E
3
0.4
ENE
4
0.6
SSW
6
0.7
SSW
5
0.8
SSW
5
0.9
SSW
5
0.9
SSW
5
Energy kJ
1
6
31
113
289
247
200
171
94
97
150
114
1
6
4
25
28
24
32
33
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
24
24
133
1084
415
24
24
24
24
26
24
24
24
0
25
156
157
634
25
25
634
24
25
209
Best forecast wave conditions in Rhode Island
Rating
(10 max)
1
1
2
2
2
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
4
2
2
3
3
4
4
4
4
2
2
4
2
4
3
4
4
1
1
2
2
3
4
4
Header Global
Rating
(10 max)
5
6
5
4
4
4
6
9
9
7
4
4
5
7
5
4
5
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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Block Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest