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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 am Monday 25 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
11.7° C
(Which is slightly cooler than normal)How big are the waves at Block Island today?
The current surf forecast for Block Island at 1PM is: 1.4m 8s primary swell from a Southeast direction and 0.1m 16s secondary swell from a South direction, 0.8m 6s secondary swell from a Southwest direction (forecast issued at 07:00am May 25). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 5ft (1.5m) | 8s |
| Afternoon (25 May) | 4ft (1.2m) | 8s |
| Evening (25 May) | 3.5ft (1.1m) | 8s |
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 2mm), mostly falling on Mon morning. Warm (max 22°C on Wed night, min 14°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSW 7 | SSW 7 | SSW 7 | S 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 4 | SW 5 | SSW 5 | SSW 7 | |
392 | 322 | 238 | 187 | 182 | 136 | 136 | 116 | 116 | 84 | 84 | 62 | 62 | 48 | 45 | 67 | 69 | 96 | 93 | 96 | 46 | 64 | 53 | 79 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | on | cross-on | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross | cross-off | cross-off | |
High Tide | 4:03AM0.73m | 4:43PM0.89m | 5:00AM0.71m | 5:34PM0.91m | 5:53AM0.70m | 6:21PM0.93m | ||||||||||||||||||
Low Tide | 10:33AM0.07m | 11:17PM0.12m | 11:19AM0.08m | 00:07AM0.10m | 11:59AM0.09m | 00:53AM0.09m | ||||||||||||||||||
 |  |  | |  | |  |  | | | | | | | | | | | | | | |  | | |
 | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | 5:18 |
 | — | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:07 | — | 8:08 |
— | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 16 | 15 | 15 | 15 | 18 | 20 | 20 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 17 | 14 | 14 | 15 | 16 | 17 | 16 | 18 | 22 | 18 |
16 | 14 | 12 | 12 | 16 | 19 | 19 | 17 | 18 | 17 | 17 | 17 | 16 | 17 | 15 | 11 | 12 | 13 | 14 | 15 | 13 | 17 | 21 | 15 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | SSW 7 | SSW 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 6 | SSW 5 | SSW 7 |
 kJ | 392 | 322 | 238 | 187 | 182 | 136 | 136 | 116 | 116 | 79 | 63 | 62 | 62 | 48 | 45 | 67 | 69 | 23 | 17 | 16 | 16 | 11 | 53 | 79 |
Swell 2 Height (m) Direction Period (s) | S 16 | SSW 6 | S 16 | S 16 | S 16 | S 6 | S 16 | SSW 7 | SSW 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | — | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SE 7 | SSE 9 |
| kJ | 5 | 7 | 5 | 5 | 5 | 18 | 5 | 82 | 77 | 84 | 84 | 57 | 57 | 45 | 44 | 42 | 32 | — | 8 | 7 | 8 | 15 | 7 | 16 |
Swell 3 Height (m) Direction Period (s) | — | S 16 | — | — | — | S 16 | — | — | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | — | — | — | — | S 14 | S 13 | S 13 | SSE 9 | SE 6 |
| kJ | — | 5 | — | — | — | 5 | — | — | 5 | 4 | 4 | 4 | 4 | 4 | 4 | — | — | — | — | 4 | 4 | 4 | 15 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | SSW 6 | SW 6 | SW 6 | SW 7 | SSW 7 | — | — | — | — | — | — | SW 3 | SW 4 | SW 4 | SW 4 | SSW 7 | SSW 7 | SSW 7 | SW 4 | SW 5 | W 5 | NNW 3 |
| kJ | — | — | 20 | 40 | 47 | 43 | 83 | — | — | — | — | — | — | 3 | 8 | 10 | 12 | 96 | 93 | 96 | 46 | 64 | 10 | 5 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 0 | 0 | 0 | 24 | 24 | 24 | 25 | 26 | 26 | 24 | 24 | 221 | 256 | 251 | 26 | 24 | 24 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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