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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 Sunday 10 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
8.7° C
(Which is 1.3°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 6PM is: 1.6m 8s primary swell from a South direction and 0.2m 9s secondary swell from a East direction (forecast issued at 01:00pm May 10). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 4.5ft (1.4m) | 7s |
| Afternoon (10 May) | 5ft (1.6m) | 8s |
| Evening (10 May) | 5ft (1.5m) | 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 Sun night. Very mild (max 15°C on Sun night, min 9°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Sun 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 8 | S 8 | S 8 | S 8 | S 8 | SSE 8 | ESE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 10 | |
265 | 333 | 341 | 294 | 279 | 226 | 103 | 169 | 149 | 131 | 96 | 82 | 79 | 75 | 75 | 78 | 52 | 50 | 48 | 31 | 29 | 28 | 28 | 19 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross-off | off | off | off | off | cross | cross | cross | cross-off | off | off | off | glassy | cross-on | cross-on | cross | cross | cross | cross | cross-on | |
High Tide | 3:10PM0.70m | 3:18AM0.70m | 4:06PM0.78m | 4:19AM0.72m | 4:57PM0.87m | 5:17AM0.76m | ||||||||||||||||||
Low Tide | 8:57AM0.14m | 9:40PM0.20m | 9:42AM0.11m | 10:43PM0.14m | 10:26AM0.06m | 11:36PM0.06m | ||||||||||||||||||
 | |  |  | | |  | | | | |  |  | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — |
 | — | — | 7:52 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:53 | — | — | — | — | 7:54 |
— | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 11 | 12 | 15 | 12 | 9 | 10 | 11 | 13 | 13 | 13 | 12 | 11 | 9 | 9 | 11 | 12 | 12 | 12 | 11 | 11 | 12 | 11 |
8 | 6 | 8 | 9 | 12 | 6 | 4 | 5 | 7 | 8 | 7 | 7 | 7 | 6 | 2 | 5 | 9 | 7 | 5 | 4 | 4 | 5 | 7 | 5 | |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | S 8 | SSE 8 | ESE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 |
 kJ | 265 | 333 | 341 | 294 | 279 | 226 | 103 | 169 | 149 | 131 | 96 | 82 | 79 | 75 | 75 | 78 | 52 | 50 | 48 | 31 | 29 | 28 | 28 | 19 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | E 9 | E 9 | E 8 | — | S 7 | SSW 7 | S 7 | S 7 | S 7 | S 7 | SW 6 | SSW 6 | SSW 6 | SSW 6 | NNW 3 | SE 10 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 15 | 15 | 6 | 6 | 6 | — | 70 | 26 | 24 | 23 | 23 | 14 | 19 | 13 | 13 | 7 | 3 | 17 | 18 | 17 | 16 | 16 | 16 | 16 |
Swell 3 Height (m) Direction Period (s) | S 16 | S 16 | S 16 | S 16 | SE 16 | E 8 | SE 8 | E 8 | E 8 | N 3 | SE 15 | SE 14 | S 7 | SE 7 | SE 7 | SE 10 | SSW 6 | N 3 | N 3 | — | — | SSE 6 | S 5 | — |
| kJ | 5 | 5 | 5 | 5 | 10 | 13 | 59 | 5 | 6 | 1 | 8 | 8 | 4 | 13 | 14 | 17 | 7 | 1 | 1 | — | — | 3 | 1 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NNW 3 | N 4 | N 3 | N 3 | — | SW 2 | SW 3 | WSW 3 | NNW 3 | NNW 3 | NNW 4 | N 4 | SW 6 | SW 3 | SW 4 | WSW 4 | SW 4 | SW 4 | SW 4 |
| kJ | — | — | — | — | — | 2 | 9 | 6 | 2 | — | 2 | 3 | 3 | 2 | 8 | 11 | 10 | 8 | 7 | 17 | 21 | 12 | 7 | 11 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 24 | 24 | 24 | 25 | 0 | 0 | 0 | 24 | 24 | 24 | 24 | 24 | 26 | 24 | 24 | 24 | 152 | 195 | 152 | 160 | 159 | 160 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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