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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 Friday 22 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
11.9° C
(Which is normal for this time of year)How big are the waves at Block Island today?
The current surf forecast for Block Island at 11AM is: 0.3m 9s primary swell from a Southeast direction and 0.3m 6s secondary swell from a South-southwest direction (forecast issued at 07:00am May 22). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 1.5ft (0.5m) | 6s |
| Afternoon (22 May) | 4ft (1.2m) | 5s |
| Evening (22 May) | 3ft (0.9m) | 5s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 56mm), heaviest during Sun morning. Very mild (max 14°C on Sun night, min 8°C on Sat night). Winds decreasing (near gales from the E on Sun morning, light winds from the N by Sun night). | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 6 | S 6 | SE 9 | ENE 5 | E 5 | E 5 | E 5 | SE 10 | SE 6 | ESE 4 | ESE 5 | ESE 6 | SE 6 | SE 7 | SE 8 | SE 8 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | |
18 | 16 | 13 | 70 | 61 | 37 | 27 | 15 | 20 | 19 | 52 | 90 | 132 | 151 | 221 | 300 | 353 | 569 | 1107 | 1475 | 1261 | 964 | 666 | 527 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | off | off | |
High Tide | 1:36PM0.84m | 1:55AM0.83m | 2:43PM0.85m | 3:00AM0.77m | 3:46PM0.87m | |||||||||||||||||||
Low Tide | 7:49AM0.02m | 8:01PM0.11m | 8:48AM0.04m | 9:15PM0.13m | 9:43AM0.05m | 10:20PM0.13m | ||||||||||||||||||
 |  | | |  | |  | | | | | |  | |  | |  |  | |  | | | | | |
 | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | 5:20 |
 | — | — | — | — | — | 8:04 | — | — | — | — | — | — | — | 8:04 | — | — | — | — | — | — | — | 8:05 | — | 8:06 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 3 | 6 | 11 | 13 | 10 | 5 | 2 | — | — | |
Temp °C | 12 | 11 | 12 | 13 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 11 | 10 | 8 | 8 | 9 | 9 | 9 | 10 | 11 | 13 | 14 | 14 | 12 |
6 | 3 | 5 | 6 | 6 | 4 | 6 | 7 | 6 | 6 | 5 | 5 | 4 | 1 | 0 | 1 | -1 | -2 | 1 | 4 | 9 | 13 | 14 | 9 | |
Swell 1 Height (m) Direction Period (s) | S 6 | S 6 | SE 9 | SSE 6 | S 6 | S 6 | S 6 | SE 10 | SE 6 | SE 10 | ESE 10 | SE 10 | SE 13 | S 13 | S 13 | — | — | S 18 | — | — | S 18 | S 18 | SE 8 | SE 8 |
 kJ | 18 | 16 | 13 | 8 | 11 | 6 | 6 | 14 | 20 | 14 | 9 | 4 | 7 | 3 | 3 | — | — | 6 | — | — | 6 | 6 | 666 | 527 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SSW 6 | SE 9 | SE 9 | SE 10 | SE 10 | S 7 | SE 10 | S 7 | SE 13 | SE 13 | — | SE 13 | — | — | — | — | — | — | — | — | — | S 17 |
| kJ | 13 | 13 | 6 | 13 | 14 | 14 | 14 | 8 | 14 | 4 | 7 | 7 | — | 6 | — | — | — | — | — | — | — | — | — | 6 |
Swell 3 Height (m) Direction Period (s) | SSW 6 | SE 13 | SSE 6 | SSW 6 | SE 13 | SE 13 | SE 13 | SE 13 | S 6 | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 7 | 8 | 3 | 7 | 7 | 7 | 7 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | NE 4 | ENE 5 | ENE 5 | E 5 | E 5 | E 5 | ESE 4 | ENE 4 | ESE 4 | ESE 5 | ESE 6 | SE 6 | SE 7 | SE 8 | SE 8 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | — | — |
| kJ | 4 | 21 | 52 | 70 | 61 | 37 | 27 | 15 | 3 | 19 | 52 | 90 | 132 | 151 | 221 | 300 | 353 | 569 | 1107 | 1475 | 1261 | 964 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 152 | 749 | 729 | 749 | 749 | 1805 | 749 | 1095 | 705 | 645 | 645 | 1095 | 588 | 588 | 645 | 605 | 340 | 270 | 269 | 152 | 99 | 59 | 0 | 0 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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