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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 Thursday 14 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
9.3° 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 2PM is: 1.0m 6s primary swell from a South direction and 0.7m 5s secondary swell from a East-southeast direction (forecast issued at 07:00am May 14). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 5ft (1.5m) | 6s |
| Afternoon (14 May) | 3.5ft (1.0m) | 6s |
| Evening (14 May) | 3.5ft (1.0m) | 6s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Thu afternoon. Very mild (max 14°C on Fri afternoon, min 10°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the SW by Sat night). | ||||||||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSE 6 | SSE 6 | SSE 6 | S 6 | SSE 6 | S 6 | S 6 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | E 9 | ESE 10 | ESE 9 | SSE 8 | ESE 9 | SSE 8 | SSE 8 | SW 5 | SW 6 | |
179 | 172 | 128 | 66 | 100 | 76 | 86 | 144 | 365 | 531 | 360 | 231 | 185 | 160 | 157 | 176 | 157 | 110 | 103 | 84 | 75 | 75 | 106 | 159 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross-off | cross-off | cross | cross-on | glassy | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross | |
High Tide | 6:10AM0.80m | 6:34PM1.06m | 7:02AM0.83m | 7:24PM1.12m | 7:52AM0.86m | 8:14PM1.16m | ||||||||||||||||||
Low Tide | 11:55AM-0.04m | 1:15AM-0.07m | 12:41PM-0.09m | 2:05AM-0.11m | 1:29PM-0.12m | |||||||||||||||||||
 |  |  | | | |  |  |  | |  |  | | | | | | | | | | | | | |
 | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | 5:26 |
 | — | — | — | — | 7:55 | — | — | — | — | — | — | — | 7:57 | — | — | — | — | — | — | — | 7:58 | — | — | 7:59 |
1 | — | 1 | 2 | 5 | 2 | — | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 12 | 11 | 12 | 13 | 14 | 12 | 10 | 11 | 10 | 11 | 12 | 13 | 14 | 14 | 14 | 14 |
6 | 8 | 9 | 11 | 10 | 11 | 10 | 10 | 11 | 9 | 11 | 11 | 10 | 8 | 7 | 9 | 7 | 8 | 8 | 7 | 8 | 8 | 8 | 9 | |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | ESE 10 | S 6 | SSE 6 | S 6 | S 6 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 10 | SE 10 | E 9 | ESE 10 | ESE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
 kJ | 19 | 9 | 10 | 66 | 100 | 76 | 86 | 144 | 365 | 531 | 360 | 231 | 185 | 160 | 157 | 176 | 157 | 110 | 103 | 75 | 75 | 75 | 57 | 55 |
Swell 2 Height (m) Direction Period (s) | — | ESE 10 | SW 6 | ESE 5 | ESE 10 | E 5 | E 5 | S 7 | S 7 | — | SSE 9 | ESE 9 | ESE 9 | E 9 | E 9 | SSE 8 | SSE 8 | SSE 8 | E 9 | ESE 9 | ESE 9 | ESE 9 | E 8 | ESE 8 |
| kJ | — | 10 | 5 | 28 | 9 | 18 | 13 | 76 | 53 | — | 135 | 110 | 141 | 136 | 136 | 101 | 75 | 103 | 56 | 84 | 62 | 59 | 37 | 24 |
Swell 3 Height (m) Direction Period (s) | — | — | — | ESE 10 | SW 6 | ESE 10 | ESE 10 | SW 5 | — | — | S 9 | S 9 | S 8 | S 8 | S 8 | SW 5 | SE 9 | WSW 4 | ESE 10 | — | — | — | ENE 8 | ENE 8 |
| kJ | — | — | — | 10 | 1 | 9 | 9 | 1 | — | — | 160 | 101 | 90 | 66 | 33 | 4 | 28 | 2 | 38 | — | — | — | 13 | 13 |
Wind waves Height (m) Direction Period (s) | SSE 6 | SSE 6 | SSE 6 | — | — | NNW 3 | — | — | — | — | — | — | SW 5 | — | NE 3 | — | — | — | SW 2 | SW 3 | SSW 4 | SSW 4 | SW 5 | SW 6 |
| kJ | 179 | 172 | 128 | — | — | 1 | — | — | — | — | — | — | 3 | — | 2 | — | — | — | 1 | 8 | 19 | 34 | 106 | 159 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 178 | 141 | 24 | 24 | 24 | 24 | 24 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | 26 | 24 | 24 | 24 | 24 | 133 |
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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