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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 Wednesday 22 Apr 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
6.2° 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 9PM is: 1.4m 5s primary swell from a South-southeast direction and 0.1m 10s secondary swell from a Southeast direction, 0.2m 7s secondary swell from a East direction (forecast issued at 01:00pm April 22). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | 2.5ft (0.7m) | 4s |
| Afternoon (22 Apr) | 3.5ft (1.1m) | 4s |
| Evening (22 Apr) | 4.5ft (1.4m) | 5s |
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 Sat morning. Very mild (max 16°C on Thu afternoon, min 6°C on Wed afternoon). Winds decreasing (fresh winds from the SSE on Wed afternoon, calm by Fri morning). | ||||||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | Sat 25 | |||||||||||||||||||||
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 4 | S 4 | SSE 5 | SSE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | WSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | S 6 | SSW 6 | SSW 6 | SSW 6 | |
20 | 44 | 72 | 117 | 95 | 72 | 46 | 44 | 31 | 43 | 45 | 64 | 48 | 49 | 51 | 38 | 36 | 26 | 14 | 13 | 19 | 20 | 7 | 6 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | cross-on | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | glassy | cross-on | on | on | on | on | cross-on | on | |
High Tide | 12:37PM0.76m | 1:05AM0.89m | 1:48PM0.74m | 2:17AM0.82m | 3:02PM0.75m | 3:29AM0.78m | ||||||||||||||||||
Low Tide | 6:20PM0.04m | 8:15AM0.04m | 8:00PM0.09m | 9:20AM0.05m | 9:30PM0.10m | |||||||||||||||||||
 |  | |  | | |  |  | | |  | | | | | | | | | | |  | | | |
 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — |
 | — | — | 7:32 | — | — | — | — | — | — | — | 7:34 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | 7:36 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 4 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 11 | 15 | 16 | 14 | 10 | 9 | 8 | 7 | 7 | 7 | 8 | 7 | 7 | 7 | 7 | 7 |
-3 | -1 | -2 | 1 | 4 | 5 | 3 | 4 | 6 | 10 | 12 | 8 | 4 | 3 | 3 | 2 | 4 | 1 | 2 | 1 | 2 | 4 | 4 | 4 | |
Swell 1 Height (m) Direction Period (s) | E 7 | E 7 | E 7 | SE 10 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | E 5 | E 6 | SW 3 | SSW 6 |
 kJ | 4 | 4 | 4 | 4 | 95 | 72 | 46 | 44 | 31 | 15 | 45 | 64 | 48 | 49 | 51 | 38 | 36 | 26 | 14 | 13 | 1 | 1 | 2 | 6 |
Swell 2 Height (m) Direction Period (s) | E 4 | ENE 5 | SE 10 | E 7 | SW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | S 7 | SE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | E 6 | E 6 | NNE 3 | E 6 | E 6 | E 6 | — | SSW 6 | SW 3 |
| kJ | 2 | 2 | 4 | 4 | 11 | 22 | 29 | 22 | 18 | 23 | 15 | 12 | 10 | 7 | 7 | 6 | 6 | 1 | 2 | 2 | 1 | — | 7 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | E 10 | ESE 10 | ESE 10 | ESE 9 | ESE 8 | E 8 | E 7 | E 7 | E 6 | E 7 | W 3 | SE 8 | SE 8 | SE 7 | SE 7 | E 6 | SE 8 | E 6 | SE 8 | E 7 | E 7 | SW 8 |
| kJ | — | — | 2 | 9 | 9 | 8 | 14 | 11 | 10 | 10 | 3 | 4 | 1 | 2 | 2 | 2 | 2 | 3 | 2 | 1 | 3 | 1 | 1 | 2 |
Wind waves Height (m) Direction Period (s) | S 4 | S 4 | SSE 5 | SSE 5 | — | — | — | — | WSW 3 | WSW 6 | WNW 3 | NW 3 | N 3 | N 3 | N 3 | N 3 | NNE 3 | — | SW 3 | SSW 3 | S 6 | SSW 6 | SSW 3 | — |
| kJ | 20 | 44 | 72 | 117 | — | — | — | — | 2 | 43 | 5 | 2 | 5 | 8 | 5 | 5 | 3 | — | 1 | 1 | 19 | 20 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1493 | 340 | 221 | 117 | 30 | 24 | 24 | 24 | 24 | 29 | 24 | 85 | 25 | 54 | 29 | 49 | 645 | 634 | 634 | 634 | 634 | 634 | 634 | 115 |
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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