Block Island surfForecast / Rhode Island / USA

information circle48hr Weather and Surf, issued 7 pm Tuesday 31 Mar 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
3.8° 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 1AM is: 3.0m 8s primary swell from a South-southwest direction (forecast issued at 07:00pm March 31). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (01 Apr)10ft (3.0m)9s
Afternoon (01 Apr)8ft (2.4m)8s
Evening (01 Apr)6ft (1.9m)8s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM
Rating
(10 max)
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.5
SSW
3
SSW
3
SSW
3
SSW
3
SSW
3
SSW
2.5
SSW
2.5
SSW
2.2
SSW
2
SSW
1.6
SSW
1.4
SSW
1.2
SSW
1.9
ENE
1.9
ENE
1.9
ENE
1.8
ENE
1.7
ENE
1.3
ENE
1
ENE
0.8
E
0.7
E
0.6
E
0.9
SSW
Period(s) (?)888889988888766666666676
Wave
Graph
(?)Metric surfscale
Energy kJ (?)908998109312231431140911018446664983162321642722662662331981216941403559
Wind
(km/h)
40
SSW
40
SW
45
SSW
45
SW
40
SW
40
SW
35
SW
30
SW
10
W
25
NE
35
ENE
35
ENE
40
ENE
40
ENE
40
NE
35
NE
35
NE
30
ENE
25
ENE
20
ENE
20
ESE
10
SE
10
SW
20
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
off
cross-
off
crosscrosscrosscrosscross-
off
cross-
off
cross-
off
crosscrosscrosscross-
on
cross-
on
cross-
on
cross
High Tide
/ height (m)
7:54PM
0.94
8:14AM
0.82
8:34PM
0.96
8:53AM
0.80
9:12PM
0.95
9:31AM
0.77
Low Tide
/ height (m)
2:14AM
-0.08
2:20PM
-0.05
2:53AM
-0.08
2:45PM
-0.03
3:29AM
-0.06
Tuesday
31
Wednesday
01
Thursday
02
Friday
03
Sunrise-----6:30-------6:28-------6:26--
Sunset7:08-------7:09-------7:10-------
part cloud
part cloud
cloud
part cloud
clear
cloud
cloud
cloud
part cloud
light rain
light rain
cloud
cloud
cloud
light snow
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
---------23-------------
Temp. °C910109910131514743210100122368
Feels °C (?)121012711131-4-6-7-9-10-8-9-8-6-4-3044
  • 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.


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