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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 Tuesday 05 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
8.0° C
(Which is 1.2°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 5AM is: 1.6m 6s primary swell from a South-southwest direction and 0.1m 9s secondary swell from a East direction, 0.1m 9s secondary swell from a Southeast direction (forecast issued at 01:00am May 05). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 6ft (1.8m) | 6s |
| Afternoon (05 May) | 7.5ft (2.3m) | 7s |
| Evening (05 May) | 10ft (3.0m) | 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 6mm), mostly falling on Wed night. Very mild (max 13°C on Tue night, min 9°C on Thu morning). Winds decreasing (strong winds from the SSW on Tue night, light winds from the NW by Thu morning). | ||||||||||||||||||||||||
Tuesday 5 | Wednesday 6 | Thursday 7 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | SSW 7 | SSW 7 | SSW 7 | |
245 | 203 | 213 | 346 | 473 | 590 | 903 | 975 | 890 | 936 | 975 | 821 | 655 | 620 | 675 | 498 | 340 | 261 | 178 | 181 | 181 | 186 | 199 | 193 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | off | cross-off | cross-off | cross-on | cross-on | cross | cross-off | |
High Tide | 10:52AM0.65m | 11:08PM0.82m | 11:30AM0.63m | 11:45PM0.77m | 12:15PM0.62m | |||||||||||||||||||
Low Tide | 4:58AM0.10m | 4:08PM0.12m | 5:38AM0.14m | 4:52PM0.16m | 6:23AM0.17m | 5:43PM0.20m | ||||||||||||||||||
 | |  | | | | |  | |  |  |  | | |  | |  | | | | | | | | |
 | — | 5:39 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:49 | — | — |
— | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 4 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 12 | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 9 | 11 | 12 | 12 | 11 | 11 |
7 | 6 | 5 | 4 | 3 | 4 | 4 | 5 | 5 | 4 | 4 | 5 | 5 | 5 | 4 | 6 | 5 | 7 | 5 | 8 | 8 | 7 | 6 | 6 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | — | — | — | — | SE 6 | E 9 | SSW 7 | SSW 7 | SSW 7 | S 7 | SSW 7 | E 9 | SSW 7 |
 kJ | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | — | — | — | — | 15 | 2 | 261 | 178 | 181 | 181 | 186 | 6 | 193 |
Swell 2 Height (m) Direction Period (s) | — | SE 9 | SE 9 | SE 9 | — | — | — | — | — | — | — | — | — | — | — | — | E 9 | E 9 | SE 6 | SE 6 | SE 8 | ESE 8 | SE 11 | SE 7 |
| kJ | — | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 15 | 15 | 2 | 6 | 5 | 16 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 9 | E 9 | E 9 | E 9 | E 9 | — | E 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 | 2 | 2 | — | 6 |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | — | NW 3 | NNW 3 | — | — | SSW 7 | W 4 |
| kJ | 245 | 203 | 213 | 346 | 473 | 590 | 903 | 975 | 890 | 936 | 975 | 821 | 655 | 620 | 675 | 498 | 340 | — | 1 | 1 | — | — | 199 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 24 | 1805 | 1805 | 1804 | 1808 | 1493 | 1541 | 1528 | 1157 | 1157 | 1157 | 1156 | 1156 | 24 | 117 | 0 | 24 | 0 | 24 | 26 | 24 | 24 |
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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