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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 Thursday 09 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
4.5° C
(Which is 1.5°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: 0.3m 5s primary swell from a East-southeast direction and 0.2m 7s secondary swell from a East direction, 0.3m 3s secondary swell from a South-southeast direction (forecast issued at 01:00pm April 09). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Apr) | 1ft (0.3m) | 5s |
| Afternoon (09 Apr) | 1ft (0.3m) | 5s |
| Evening (09 Apr) | 1ft (0.3m) | 5s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 09 | Friday 10 | Saturday 11 | Sunday 12 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 5 | 5 | 5 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4 | 4 | 5 | 4 | 39 | 58 | 86 | 113 | 157 | 188 | 183 | 175 | 164 | 172 | 150 | 154 | 165 | 168 | 158 | 158 | 130 | 119 | 119 | 94 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | 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 | off | off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:32PM 0.54 | 2:12AM 0.64 | 2:57PM 0.56 | 3:28AM 0.64 | 4:13PM 0.61 | 4:30AM 0.67 | ||||||||||||||||||
Low Tide / height (m) | 8:14AM 0.21 | 7:10PM 0.20 | 9:25AM 0.20 | 8:58PM 0.21 | 10:17AM 0.16 | 10:28PM 0.17 | ||||||||||||||||||
Thursday 09 | Friday 10 | Saturday 11 | Sunday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 |
| Sunset | - | - | 7:19 | - | - | - | - | - | - | - | 7:20 | - | - | - | - | - | - | - | 7:21 | - | - | - | - | - |
 | | |  |  | | | | | | | |  | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 1 | 2 | 2 | 3 | 4 | 5 | 5 | 6 | 7 | 8 | 8 | 9 | 9 | 9 | 10 | 6 | 8 | 13 | 14 | 13 | 11 | 7 | 6 | 5 |
| Feels °C (?) | -4 | -4 | -4 | -2 | -1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 2 | 1 | 5 | -2 | 1 | 7 | 7 | 7 | 5 | 1 | 1 | 1 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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