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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 Wednesday 18 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
2.0° C
(Which is 2.5°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: 0.8m 12s primary swell from a East-southeast direction and 0.4m 8s secondary swell from a South direction (forecast issued at 12:00pm February 18). The wind direction is predicted to be cross-offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Feb) | 3.5ft (1.0m) | 12s |
| Afternoon (18 Feb) | 3ft (0.9m) | 12s |
| Evening (18 Feb) | 2.5ft (0.8m) | 12s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 4 | 5 | 6 | 6 | 6 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 288 | 228 | 232 | 186 | 183 | 137 | 135 | 134 | 145 | 161 | 134 | 107 | 104 | 81 | 62 | 44 | 42 | 35 | 108 | 200 | 130 | 102 | 102 | 102 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | off | off | off |
High Tide / height (m) | 8:09AM 0.87 | 8:30PM 0.85 | 8:46AM 0.87 | 9:06PM 0.88 | 9:26AM 0.84 | 9:45PM 0.90 | ||||||||||||||||||
Low Tide / height (m) | 2:16PM -0.14 | 2:35AM -0.12 | 2:44PM -0.14 | 3:14AM -0.12 | 3:16PM -0.13 | 3:59AM -0.09 | ||||||||||||||||||
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:33 |
| Sunset | - | - | 5:22 | - | - | - | - | - | - | - | 5:23 | - | - | - | - | - | - | - | 5:25 | - | - | - | - | - |
 |  | |  |  | | |  |  | | | | |  | | | | | |  | | | | | |
Rain (mm) | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 5 | 3 | 1 | - | - | - |
| Temp. °C | 2 | 3 | 3 | 3 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 2 | 2 | 3 | 3 | 2 | 1 | 1 |
| Feels °C (?) | -3 | -1 | -1 | -2 | -6 | -5 | -6 | -7 | -7 | -4 | -4 | -4 | -4 | -5 | -3 | -4 | -3 | -7 | -8 | -6 | -4 | -3 | -5 | -4 |
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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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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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