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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 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 8PM is: 1.9m 6s primary swell from a South-southwest direction and 0.2m 9s secondary swell from a East direction (forecast issued at 01:00pm May 04). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 4ft (1.2m) | 5s |
| Afternoon (04 May) | 6ft (1.8m) | 6s |
| Evening (04 May) | 6ft (1.8m) | 6s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Wed night. Very mild (max 13°C on Tue night, min 11°C on Mon afternoon). Winds decreasing (near gales from the SSW on Tue night, light winds from the WNW by Thu morning). | ||||||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | |
171 | 229 | 279 | 279 | 237 | 237 | 230 | 342 | 467 | 594 | 748 | 1107 | 1029 | 890 | 831 | 746 | 675 | 545 | 469 | 472 | 379 | 262 | 219 | 181 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross-on | cross | cross-off | |
High Tide | 10:17AM0.68m | 10:33PM0.87m | 10:52AM0.65m | 11:08PM0.82m | 11:30AM0.63m | 11:45PM0.77m | ||||||||||||||||||
Low Tide | 3:29PM0.09m | 4:58AM0.10m | 4:08PM0.12m | 5:38AM0.14m | 4:52PM0.16m | 6:23AM0.17m | ||||||||||||||||||
 | | |  |  | | | | | | | | | |  |  | | | |  | | | | | |
 | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — |
 | — | — | 7:45 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | 7:49 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 1 | 4 | — | — | |
Temp °C | 11 | 12 | 11 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 12 | 12 | 11 | 11 | 11 |
3 | 4 | 3 | 3 | 4 | 6 | 5 | 5 | 4 | 3 | 4 | 3 | 4 | 5 | 5 | 5 | 5 | 6 | 5 | 5 | 6 | 6 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | 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 | E 10 | SE 9 | — | — | SE 6 | E 9 | E 9 | SSW 7 | S 7 |
 kJ | 37 | 25 | 14 | 6 | 6 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | — | — | 24 | 2 | 2 | 219 | 181 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | SE 9 | SE 10 | SE 9 | — | — | — | — | — | — | — | E 10 | — | S 16 | E 9 | E 9 | E 9 | E 9 | E 9 |
| kJ | — | — | — | — | — | — | 3 | 4 | 3 | — | — | — | — | — | — | — | 2 | — | 5 | 2 | 2 | 7 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 9 | — | E 9 | SE 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 2 | 4 |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | — | — |
| kJ | 171 | 229 | 279 | 279 | 237 | 237 | 230 | 342 | 467 | 594 | 748 | 1107 | 1029 | 890 | 831 | 746 | 675 | 545 | 469 | 472 | 379 | 262 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 198 | 2371 | 204 | 24 | 2371 | 24 | 24 | 24 | 596 | 216 | 1805 | 1814 | 1541 | 1313 | 1496 | 1541 | 1528 | 1157 | 1157 | 605 | 24 | 117 | 24 | 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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