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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 am Monday 27 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
7.0° 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 7AM is: 0.9m 7s primary swell from a East-southeast direction and 0.3m 7s secondary swell from a South direction (forecast issued at 01:00am April 27). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 3ft (0.9m) | 7s |
| Afternoon (27 Apr) | 3.5ft (1.1m) | 7s |
| Evening (27 Apr) | 4ft (1.2m) | 8s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Wed night. Very mild (max 13°C on Mon afternoon, min 6°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||||||||||
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 | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 8 | E 9 | ESE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | ESE 9 | ESE 9 | |
68 | 70 | 64 | 90 | 136 | 164 | 164 | 229 | 225 | 363 | 372 | 304 | 450 | 290 | 311 | 367 | 408 | 369 | 318 | 314 | 251 | 240 | 206 | 202 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | on | |
High Tide | 5:32AM0.76m | 6:02PM0.90m | 6:22AM0.76m | 6:48PM0.94m | 7:07AM0.77m | 7:29PM0.96m | ||||||||||||||||||
Low Tide | 11:39PM0.06m | 11:57AM0.02m | 00:30AM0.03m | 12:38PM0.02m | 1:15AM0.01m | 1:12PM0.03m | ||||||||||||||||||
 | |  | | | | | | | | | | | |  | | |  | | | |  | | | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:38 | — | — | — | — | — | — | — | 7:39 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 9 | 9 | 11 | 12 | 13 | 13 | 11 | 10 | 8 | 7 | 10 | 10 | 9 | 9 | 6 | 6 | 6 | 6 | 9 | 9 | 9 | 9 | 9 |
5 | 3 | 3 | 6 | 6 | 8 | 8 | 5 | 3 | 1 | 1 | 5 | 4 | 3 | 3 | 0 | 1 | 0 | 1 | 6 | 6 | 6 | 7 | 6 | |
Swell 1 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 12 | ESE 7 | ESE 7 | ESE 8 | E 9 | ESE 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | ESE 9 | ESE 9 |
 kJ | 68 | 70 | 64 | 90 | 14 | 164 | 164 | 229 | 225 | 363 | 372 | 304 | 450 | 290 | 311 | 367 | 408 | 369 | 318 | 314 | 251 | 240 | 206 | 202 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 6 | S 6 | S 6 | S 6 | S 6 | ESE 10 | — | — | — | — | — | — | — | — | — | — | — | ESE 10 | — | — | — |
| kJ | 15 | 8 | 8 | 7 | 3 | 3 | 1 | 1 | 94 | — | — | — | — | — | — | — | — | — | — | — | 183 | — | — | — |
Swell 3 Height (m) Direction Period (s) | ESE 12 | ESE 12 | ESE 12 | ESE 12 | S 6 | E 12 | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 29 | 28 | 28 | 14 | 3 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NNE 3 | NE 3 | ESE 7 | — | — | — | — | — | NNE 4 | — | ESE 8 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 3 | 5 | 136 | — | — | — | — | — | 9 | — | 290 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 59 | 25 | 25 | 377 | 1095 | 24 | 24 | 24 | 24 | 24 | 24 | 130 | 130 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 26 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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