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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 04 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
8.2° C
(Which is slightly cooler than normal)How big are the waves at Block Island today?
The current surf forecast for Block Island at 6AM is: 0.6m 8s primary swell from a East direction and 0.6m 8s secondary swell from a South-southeast direction, 1.0m 5s secondary swell from a Southwest direction (forecast issued at 01:00am May 04). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 4.5ft (1.4m) | 5s |
| Afternoon (04 May) | 6ft (1.9m) | 6s |
| Evening (04 May) | 6ft (1.9m) | 7s |
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 9mm), mostly falling on Wed night. Very mild (max 13°C on Tue night, min 10°C on Mon morning). Winds decreasing (near gales from the SSW on Tue night, light winds from the SW by Wed night). | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | ||||||||||||||||||||||
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 8 | E 8 | SW 5 | SW 6 | SW 6 | SSW 6 | SSW 7 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | |
72 | 51 | 74 | 198 | 261 | 312 | 316 | 253 | 257 | 302 | 401 | 480 | 565 | 675 | 963 | 927 | 766 | 712 | 627 | 503 | 432 | 303 | 255 | 255 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 10:17AM0.68m | 10:33PM0.87m | 10:52AM0.65m | 11:08PM0.82m | 11:30AM0.63m | |||||||||||||||||||
Low Tide | 4:21AM0.06m | 3:29PM0.09m | 4:58AM0.10m | 4:08PM0.12m | 5:38AM0.14m | 4:52PM0.16m | ||||||||||||||||||
 | |  | | | | | | |  | | | | | |  | | |  |  | | |  |  | |
 | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 1 | |
Temp °C | 11 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 12 | 12 |
6 | 4 | 3 | 3 | 3 | 3 | 4 | 4 | 5 | 4 | 4 | 3 | 3 | 3 | 3 | 5 | 5 | 5 | 6 | 5 | 5 | 7 | 5 | 5 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | E 8 | S 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 10 | ESE 10 | — | SE 10 | SE 10 | E 9 |
 kJ | 72 | 51 | 56 | 37 | 25 | 14 | 6 | 6 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 9 | — | 4 | 4 | 2 |
Swell 2 Height (m) Direction Period (s) | S 8 | SSE 8 | E 8 | — | — | — | — | — | — | — | SE 9 | — | — | — | — | — | — | — | E 10 | — | — | E 9 | E 9 | — |
| kJ | 44 | 48 | 52 | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | 2 | — | — | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | SSE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 12 |
| kJ | 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Wind waves Height (m) Direction Period (s) | WSW 5 | SW 4 | SW 5 | SW 6 | SW 6 | SSW 6 | SSW 7 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 |
| kJ | 16 | 27 | 74 | 198 | 261 | 312 | 316 | 253 | 257 | 302 | 401 | 480 | 565 | 675 | 963 | 927 | 766 | 712 | 627 | 503 | 432 | 303 | 255 | 255 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 131 | 1804 | 2371 | 2375 | 24 | 2371 | 24 | 24 | 24 | 1805 | 1805 | 1805 | 1805 | 1493 | 1157 | 1493 | 24 | 216 | 1157 | 24 | 216 | 216 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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