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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 am Saturday 16 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
9.2° C
(Which is 1.7°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 6AM is: 0.9m 10s primary swell from a East-southeast direction and 0.9m 9s secondary swell from a South-southeast direction, 0.3m 4s secondary swell from a Southwest direction (forecast issued at 01:00am May 16). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 2.5ft (0.8m) | 9s |
| Afternoon (16 May) | 2.5ft (0.7m) | 9s |
| Evening (16 May) | 5ft (1.6m) | 5s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Sun afternoon, min 13°C on Sat morning). Winds decreasing (strong winds from the SW on Sat night, light winds from the SSE by Mon afternoon). | ||||||||||||||||||||||||
Saturday 16 | Sunday 17 | Monday 18 | ||||||||||||||||||||||
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 | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 10 | ESE 10 | ESE 9 | SSE 9 | ESE 9 | SSW 8 | SSW 5 | SSW 6 | SW 6 | SW 6 | SW 7 | SSE 8 | SW 7 | SW 7 | SW 7 | SSW 7 | SW 7 | SSW 7 | SSW 7 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | |
235 | 154 | 110 | 101 | 86 | 212 | 92 | 265 | 284 | 226 | 159 | 125 | 106 | 103 | 106 | 123 | 106 | 93 | 70 | 50 | 50 | 50 | 48 | 47 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross | cross-on | cross | cross-off | cross-off | cross | cross-on | cross-on | cross-on | on | on | cross-on | |
High Tide | 7:52AM0.86m | 8:14PM1.16m | 8:43AM0.87m | 9:06PM1.17m | 9:36AM0.88m | 9:59PM1.13m | ||||||||||||||||||
Low Tide | 2:05AM-0.11m | 1:29PM-0.12m | 2:56AM-0.12m | 2:19PM-0.12m | 3:50AM-0.10m | 3:12PM-0.11m | ||||||||||||||||||
 | |  | | | | | |  |  | | | | | | | | | |  | | | | | |
 | — | 5:26 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:58 | — | — | — | — | — | — | — | 7:59 | — | — | — | — | — | — | — | — | 8:00 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 13 | 15 | 16 | 15 | 14 | 14 | 13 | 13 | 17 | 21 | 23 | 22 | 23 | 23 | 22 | 18 | 16 | 15 | 14 | 16 | 17 | 16 |
11 | 9 | 10 | 11 | 11 | 9 | 7 | 6 | 7 | 8 | 15 | 18 | 19 | 18 | 19 | 21 | 19 | 14 | 11 | 11 | 12 | 15 | 17 | 14 | |
Swell 1 Height (m) Direction Period (s) | ESE 10 | SSE 9 | ESE 9 | SSE 9 | SSE 8 | ESE 9 | SSE 8 | ESE 9 | SSE 8 | SSE 8 | SW 7 | SW 7 | SSE 8 | SSE 8 | SE 8 | SE 8 | SSE 8 | SSW 7 | SSW 7 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 |
 kJ | 235 | 137 | 110 | 101 | 75 | 61 | 54 | 44 | 75 | 92 | 159 | 118 | 103 | 98 | 54 | 65 | 67 | 93 | 70 | 50 | 50 | 50 | 48 | 47 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | ESE 10 | S 8 | ESE 9 | ESE 9 | E 9 | ESE 9 | — | ESE 9 | ESE 8 | SSE 8 | SSE 8 | — | — | S 7 | S 8 | — | SSE 8 | SSE 8 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SW 5 |
| kJ | 77 | 154 | 48 | 84 | 86 | 79 | 62 | — | 30 | 23 | 137 | 125 | — | — | 28 | 4 | — | 52 | 39 | 34 | 25 | 20 | 14 | 7 |
Swell 3 Height (m) Direction Period (s) | SW 4 | SSE 9 | SSE 10 | ESE 10 | ESE 9 | E 8 | SSE 10 | — | — | — | ESE 8 | — | — | — | — | — | — | — | — | — | — | S 13 | NE 4 | ENE 4 |
| kJ | 3 | 78 | 81 | 63 | 53 | 36 | 10 | — | — | — | 13 | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 3 |
Wind waves Height (m) Direction Period (s) | — | SW 4 | SW 4 | SW 3 | SW 4 | SSW 8 | SSW 5 | SSW 6 | SW 6 | SW 6 | — | — | SW 7 | SW 7 | SW 7 | SSW 7 | SW 7 | — | NE 2 | NE 3 | ENE 4 | ENE 4 | — | — |
| kJ | — | 3 | 3 | 1 | 8 | 212 | 92 | 265 | 284 | 226 | — | — | 106 | 103 | 106 | 123 | 106 | — | 1 | 5 | 9 | 6 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 24 | 24 | 26 | 24 | 24 | 1084 | 1148 | 24 | 24 | 24 | 24 | 26 | 207 | 24 | 0 | 0 | 24 | 178 | 634 | 634 | 634 | 634 | 198 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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