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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 12 pm Saturday 21 Feb 2026 ESTForecast 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
2.2° C
(Which is 2.4°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 8PM is: 0.9m 8s primary swell from a South-southwest direction and 0.5m 6s secondary swell from a East direction, 0.4m 3s secondary swell from a East-southeast direction (forecast issued at 12:00pm February 21). The wind direction is predicted to be cross-onshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Feb) | 2.5ft (0.7m) | 7s |
| Afternoon (21 Feb) | 3ft (0.9m) | 8s |
| Evening (21 Feb) | 3ft (0.9m) | 8s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 10 | 11 | 10 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 49 | 71 | 123 | 112 | 92 | 69 | 63 | 44 | 30 | 46 | 97 | 325 | 1096 | 2301 | 3737 | 6561 | 7166 | 1190 | 925 | 627 | 460 | 314 | 198 | 146 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 10:09AM 0.79 | 10:30PM 0.90 | 10:56AM 0.73 | 11:20PM 0.87 | 11:50AM 0.66 | 12:21AM 0.84 | ||||||||||||||||||
Low Tide / height (m) | 3:53PM -0.11 | 4:50AM -0.05 | 4:36PM -0.08 | 5:56AM 0.00 | 5:26PM -0.05 | |||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:28 |
| Sunset | - | - | 5:27 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:29 | - | - | - | - | - |
 |  | |  | | |  | | | | |  | | |  |  |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | -1 | -1 | -1 | -2 | -2 | -1 | -4 |
| Feels °C (?) | -3 | -1 | -3 | -6 | -6 | -6 | -7 | -7 | -7 | -8 | -8 | -11 | -13 | -17 | -18 | -19 | -19 | -17 | -14 | -13 | -13 | -13 | -12 | -15 |
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Live Wave Height (m)
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Ocean Swells (m)- Wind Speed (km/h)
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Block Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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