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Surf Forecasts:

Block Island surfForecast / Rhode Island / USA

information circle48hr Weather and Surf, issued 7 pm Wednesday 11 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
2.8° C
 (Which is 1.8°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 2AM is: 2.2m 7s primary swell from a South-southwest direction and 0.2m 8s secondary swell from a East-southeast direction (forecast issued at 07:00pm March 11). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (12 Mar)7ft (2.2m)7s
Afternoon (12 Mar)5ft (1.6m)7s
Evening (12 Mar)3.5ft (1.0m)8s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
11
Thursday
12
Friday
13
Saturday
14
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
SSW
1.7
S
2
SSW
2.2
SSW
2.2
SSW
2.2
SSW
2
SSW
1.7
SSW
1.4
S
1.1
SSW
0.9
SSW
0.9
SSE
0.9
S
0.9
S
0.9
S
1.1
SSW
1.4
SSW
1.5
SSW
2
SSW
3
SSW
3
SW
3
SW
3
SW
2.5
SW
Period(s) (?)666777778888888856788998
Wave
Graph
(?)Metric surfscale
Energy kJ (?)131217319458467475435302221131102118113112115173931483501170126513791341931
Wind
(km/h)
25
SSW
25
SSW
35
SW
40
SW
35
SW
30
SW
35
NNW
35
NW
35
NW
35
NW
45
NW
40
WNW
35
WNW
25
WNW
25
WSW
35
SW
35
SSW
45
SSW
50
SSW
60
SW
60
WSW
60
W
60
W
55
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		offoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
on		cross-
on		cross-
on		cross-
on		crosscrosscross-
off		cross-
off		cross-
off
High Tide
/ height (m)
2:09PM
0.48
3:34AM
0.61
3:51PM
0.49
4:42AM
0.63
5:02PM
0.55
5:34AM
0.67
Low Tide
/ height (m)
7:43PM
0.16
10:19AM
0.19
9:48PM
0.16
11:12AM
0.15
11:06PM
0.12
11:56AM
0.09
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunrise-----7:03-------7:01-------7:00--
Sunset6:47-------6:49-------6:50-------
part cloud
cloud
rain showers
light rain
light rain
cloud
cloud
light rain
cloud
light snow
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
part cloud
clear
Rain (mm)
--111--1----------------
Temp. °C1110910877221000-10236776324
Feels °C (?)652311-1-7-7-8-11-11-9-9-8-8-6-5-4-6-8-11-12-9
  • 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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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.

View detailed surf forecast for Block Island at:
surf-forecast.com

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