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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 7 pm Friday 22 May 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
11.9° C
(Which is normal for this time of year)How big are the waves at Block Island today?
The current surf forecast for Block Island at 2AM is: 0.3m 10s primary swell from a Southeast direction and 0.3m 6s secondary swell from a South direction, 0.6m 4s secondary swell from a East-southeast direction (forecast issued at 07:00pm May 22). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 3ft (0.9m) | 6s |
| Afternoon (23 May) | 3.5ft (1.1m) | 6s |
| Evening (23 May) | 4.5ft (1.3m) | 7s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 52mm), heaviest during Sun morning. Very mild (max 13°C on Sun night, min 8°C on Sat night). Winds decreasing (near gales from the E on Sun morning, calm by Mon afternoon). | ||||||||||||||||||||||||
Fri 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 5 | E 4 | SE 10 | SE 10 | ESE 5 | ESE 6 | ESE 7 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | |
29 | 26 | 17 | 14 | 24 | 43 | 78 | 108 | 120 | 174 | 237 | 340 | 429 | 638 | 1110 | 1643 | 1755 | 1684 | 1072 | 637 | 505 | 358 | 291 | 260 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | off | cross-off | cross-off | off | |
High Tide | 1:55AM0.83m | 2:43PM0.85m | 3:00AM0.77m | 3:46PM0.87m | 4:03AM0.73m | |||||||||||||||||||
Low Tide | 8:01PM0.11m | 8:48AM0.04m | 9:15PM0.13m | 9:43AM0.05m | 10:20PM0.13m | 10:33AM0.07m | ||||||||||||||||||
 | |  | | | | | |  | |  | |  |  |  | | | | | | | | | | |
 | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — |
 | — | 8:04 | — | — | — | — | — | — | — | 8:04 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | 8:06 |
— | — | — | — | — | — | — | — | 1 | 1 | 1 | 4 | 6 | 10 | 11 | 10 | 5 | 1 | — | — | — | — | 1 | 1 | |
Temp °C | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 10 | 9 | 9 | 8 | 9 | 8 | 8 | 10 | 11 | 12 | 13 | 12 | 11 | 10 | 11 | 11 |
6 | 6 | 7 | 8 | 8 | 6 | 6 | 7 | 5 | 3 | 2 | 0 | -1 | -3 | -3 | 2 | 4 | 6 | 10 | 8 | 8 | 7 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | SSE 6 | S 6 | S 6 | S 6 | SE 7 | ESE 10 | SE 10 | SE 13 | SE 13 | S 13 | — | — | — | S 18 | S 18 | — | — | S 18 | — | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
 kJ | 8 | 6 | 6 | 7 | 14 | 9 | 4 | 7 | 7 | 3 | — | — | — | 6 | 6 | — | — | 6 | — | 637 | 505 | 358 | 291 | 260 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 10 | SE 10 | SE 10 | SE 13 | SE 13 | SE 13 | SE 10 | — | — | — | — | — | — | — | — | — | — | — | S 17 | SW 8 | SSW 6 | SSW 7 | SSW 7 |
| kJ | 14 | 14 | 14 | 14 | 7 | 7 | 7 | 4 | — | — | — | — | — | — | — | — | — | — | — | 6 | 2 | 30 | 53 | 48 |
Swell 3 Height (m) Direction Period (s) | SSW 6 | SE 13 | SE 13 | SE 13 | SE 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 16 | S 16 | S 16 | S 16 |
| kJ | 3 | 7 | 7 | 7 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | ENE 5 | E 4 | E 4 | ESE 4 | ESE 5 | ESE 6 | ESE 7 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | — | — | — | — | — |
| kJ | 29 | 26 | 17 | 14 | 24 | 43 | 78 | 108 | 120 | 174 | 237 | 340 | 429 | 638 | 1110 | 1643 | 1755 | 1684 | 1072 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 749 | 1805 | 749 | 743 | 689 | 523 | 665 | 1148 | 612 | 588 | 588 | 588 | 422 | 373 | 269 | 251 | 269 | 157 | 24 | 24 | 0 | 24 | 0 | 0 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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