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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 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 12PM is: 2.1m 7s primary swell from a South-southwest direction and 0.1m 9s secondary swell from a Southeast direction, 0.1m 10s secondary swell from a Southeast direction (forecast issued at 07:00am May 05). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 5.5ft (1.7m) | 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 5mm), mostly falling on Wed night. Very mild (max 13°C on Tue night, min 8°C on Thu night). Winds decreasing (strong winds from the SSW on Tue night, light winds from the W by Thu morning). | ||||||||||||||||||||||||
Tuesday 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | S 7 | SSW 7 | SSW 7 | S 7 | SSW 7 | SSW 7 | |
197 | 220 | 331 | 436 | 637 | 963 | 951 | 821 | 786 | 865 | 746 | 725 | 637 | 675 | 498 | 376 | 319 | 238 | 198 | 158 | 143 | 92 | 124 | 91 | |
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 | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | off | |
High Tide | 10:52AM0.65m | 11:08PM0.82m | 11:30AM0.63m | 11:45PM0.77m | 12:15PM0.62m | 00:28AM0.73m | ||||||||||||||||||
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 | — | — | — | — | — | — | 5:35 |
 | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:49 | — | — | 7:50 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 12 | 11 | 11 | 11 | 12 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 12 | 12 | 11 | 10 | 9 | 10 | 12 | 12 | 12 | 12 | 10 |
6 | 5 | 4 | 3 | 4 | 4 | 5 | 5 | 5 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 4 | 6 | 6 | 6 | 7 | 8 | 4 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | SE 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | — | E 10 | — | — | — | E 9 | E 9 | SSW 7 | S 7 | S 7 | SSW 7 | SSW 7 | S 7 | SSW 7 | SSW 7 |
 kJ | 1 | 1 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | — | 2 | — | — | — | 2 | 2 | 319 | 238 | 198 | 158 | 143 | 92 | 124 | 91 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 10 | — | — | — | — | — | — | — | — | — | — | — | — | E 9 | SE 6 | E 9 | E 9 | SE 6 | SE 8 | SE 8 | SE 7 | SE 7 |
| kJ | 3 | 3 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 15 | 2 | 2 | 11 | 11 | 10 | 7 | 15 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 13 | S 13 | SE 9 | E 9 | E 9 | E 9 | E 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 3 | 2 | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | — | — | — | — | — | SW 4 | W 4 | NW 3 |
| kJ | 197 | 220 | 331 | 436 | 637 | 963 | 951 | 821 | 786 | 865 | 746 | 725 | 637 | 675 | 498 | 376 | — | — | — | — | — | 16 | 6 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 24 | 1805 | 1863 | 1808 | 2371 | 1493 | 1496 | 1541 | 1541 | 1413 | 1804 | 1157 | 216 | 24 | 24 | 24 | 24 | 0 | 26 | 26 | 24 | 24 | 24 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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