Block Island surfForecast / Rhode Island / USA

information circle48hr Weather and Surf, issued 6 pm Wednesday 31 Dec 2025 EST
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
6.5° C
(Which is 1.0°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 9PM is: 1.6m 6s primary swell from a Southwest direction and 0.2m 11s secondary swell from a East-southeast direction, 0.1m 15s secondary swell from a East direction (forecast issued at 06:00pm December 31). The wind direction is predicted to be cross-shore.

Time (EST) & DateWave HeightWave Period
Morning (31 Dec)--
Afternoon (31 Dec)0.5ft (0.2m)11s
Evening (31 Dec)5ft (1.6m)6s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
31
Thursday
01
Friday
02
Saturday
03
4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM
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
Wave Height (m) & direction (?)
1.4
WSW
1.5
SW
1.6
SW
1.8
SW
2.3
SW
2.4
SW
2.1
SW
0.4
ESE
1.6
SW
1.3
SW
0.4
ESE
0.4
ESE
0.7
SW
0.3
ESE
1.1
SW
0.3
ESE
0.3
ESE
0.3
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
E
Period(s) (?)6666778128812127126121211111111111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)13616420326546460651050306210484854288827262512121212129
Wind
(km/h)
30
W
35
WSW
35
WSW
40
SW
40
WSW
45
WSW
45
WNW
45
WNW
40
WNW
40
WNW
35
WNW
30
W
35
W
35
W
35
W
35
W
35
WNW
35
WNW
35
WNW
30
WNW
25
WNW
25
WNW
20
WNW
20
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
Low Tide
/ height (m)
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunrise------7:11-------7:11-------7:11-
Sunset4:27-------4:28-------4:28-------
cloud
cloud
cloud
cloud
light rain
cloud
part cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
----3-------------------
Temp. °C000124-3-4-5-5-5-4-3-3-3-2-1-1-2-3-3-4-3-2
Feels °C (?)-9-10-10-9-8-7-15-16-17-16-15-13-13-13-13-12-11-11-12-12-11-12-10-9
  • 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

Latest Updates

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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