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Block Island Surf Forecast
/ Rhode Island (33 breaks) / Rhode Island (34 breaks) /
Surf Forecasts:
Block Island surfForecast / Rhode Island / USA
48hr Weather and Surf, issued 1 pm Wednesday 29 Apr 2026 EDTForecast 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
7.4° C
(Which is slightly cooler than normal)How big are the waves at Block Island today?
The current surf forecast for Block Island at 5PM is: 1.3m 10s primary swell from a East direction (forecast issued at 01:00pm April 29). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 5ft (1.5m) | 10s |
| Afternoon (29 Apr) | 4.5ft (1.3m) | 10s |
| Evening (29 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 ForecastLight rain (total 3mm), mostly falling on Wed night. Very mild (max 13°C on Fri night, min 8°C on Wed night). Winds increasing (calm on Thu morning, fresh winds from the WSW by Fri afternoon). | ||||||||||||||||||||||||
Wed 29 | Thursday 30 | Friday 1 | Sat 2 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 | |
394 | 379 | 319 | 276 | 283 | 343 | 411 | 338 | 325 | 295 | 253 | 248 | 248 | 210 | 197 | 181 | 146 | 143 | 113 | 113 | 80 | 79 | 77 | 75 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross | cross | cross | cross-off | off | off | off | |
High Tide | 7:29PM0.96m | 7:49AM0.76m | 8:08PM0.97m | 8:29AM0.75m | 8:46PM0.96m | |||||||||||||||||||
Low Tide | 1:12PM0.03m | 1:55AM-0.01m | 1:41PM0.04m | 2:33AM-0.01m | 2:03PM0.05m | 3:10AM0.00m | ||||||||||||||||||
 |  |  |  | | |  |  | | | |  |  | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — |
 | — | — | 7:39 | — | — | — | — | — | — | — | 7:40 | — | — | — | — | — | — | — | 7:42 | — | — | — | — | 7:44 |
— | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 8 | 9 | 9 | 8 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 9 | 8 | 8 | 11 | 11 | 12 | 13 | 11 | 10 | 9 | 8 |
3 | 5 | 6 | 6 | 6 | 7 | 7 | 6 | 7 | 8 | 7 | 7 | 7 | 5 | 3 | 3 | 5 | 3 | 6 | 9 | 7 | 5 | 4 | 4 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 8 |
 kJ | 394 | 379 | 319 | 276 | 283 | 343 | 411 | 338 | 325 | 295 | 253 | 248 | 248 | 210 | 197 | 181 | 146 | 143 | 113 | 113 | 80 | 79 | 77 | 75 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 4 | SSW 5 | SSW 5 | SSW 5 | — | — | — | — | SW 5 | SW 5 | SW 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | 2 | 2 | — | — | — | — | 26 | 14 | 15 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 6 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 5 | NW 3 | NW 3 | WNW 3 | WSW 4 | WSW 4 | SW 4 | SW 5 | W 5 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 3 | 4 | 20 | 29 | 29 | 45 | 16 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 25 | 24 | 24 | 24 | 24 | 0 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 24 | 24 | 26 | 24 | 24 | 24 | 24 | 24 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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