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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 Sunday 31 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
13.0° C
(Which is normal for this time of year)How big are the waves at Block Island today (31 May):
- Morning surf: Morning surf (31 May, local time) - 4ft (1.2m), 10s period with E swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 3.5ft (1.0m), 10s period with E swell.
- Evening surf: Evening surf (31 May, local time) - 3ft (0.9m), 10s period with E swell.
The current surf forecast for Block Island at 6PM is: 0.9m 10s primary swell from a East direction and 0.1m 7s secondary swell from a South direction, 1.0m 4s secondary swell from a Southwest direction (forecast issued at 01:00pm May 31). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 4ft (1.2m) | 10s |
| Afternoon (31 May) | 3.5ft (1.0m) | 10s |
| Evening (31 May) | 3ft (0.9m) | 10s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Very mild (max 16°C on Wed morning, min 10°C on Mon night). Winds decreasing (fresh winds from the NE on Mon afternoon, calm by Tue morning). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | E 4 | E 5 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | |
296 | 245 | 194 | 145 | 108 | 103 | 79 | 79 | 55 | 99 | 50 | 75 | 42 | 37 | 93 | 80 | 65 | 68 | 67 | 68 | 47 | 47 | 28 | 27 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross | cross | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | on | cross-on | cross-on | cross | cross | cross-off | cross-off | |
High Tide | 8:45AM0.70m | 9:03PM0.94m | 9:23AM0.70m | 9:39PM0.92m | 10:01AM0.69m | 10:13PM0.89m | ||||||||||||||||||
Low Tide | 2:01PM0.11m | 3:32AM0.07m | 2:35PM0.11m | 4:10AM0.09m | 3:14PM0.12m | 4:47AM0.10m | ||||||||||||||||||
 | |  |  |  |  | |  | | | | |  | | | | | | | | | |  | | |
 | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:15 | — |
 | — | — | — | 8:10 | — | — | — | — | — | — | — | 8:12 | — | — | — | — | — | — | — | 8:13 | — | — | — | 8:13 |
— | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 14 | 13 | 11 | 12 | 11 | 10 | 10 | 10 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 14 |
9 | 8 | 7 | 12 | 13 | 9 | 9 | 10 | 11 | 6 | 3 | 6 | 7 | 6 | 6 | 7 | 10 | 8 | 9 | 10 | 10 | 11 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | SW 5 | E 9 | SW 6 | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 |
 kJ | 296 | 245 | 194 | 145 | 33 | 103 | 36 | 38 | 32 | 28 | 21 | 12 | 38 | 37 | 93 | 80 | 65 | 68 | 67 | 68 | 47 | 47 | 28 | 27 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 7 | S 7 | W 5 | E 9 | WSW 5 | E 9 | E 9 | E 9 | — | SE 9 | S 9 | SW 5 | SW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 3 | 1 | 1 | 32 | 108 | 20 | 79 | 79 | 55 | — | 3 | 2 | 7 | 7 | 3 | 3 | 3 | 7 | 8 | 7 | 6 | 11 | 11 | 13 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SSW 5 | — | SSW 6 | — | — | — | — | — | — | S 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSE 8 | SSE 8 | SSW 6 | S 6 | — | — |
| kJ | — | — | — | 31 | — | 24 | — | — | — | — | — | — | 2 | 3 | 3 | 3 | 3 | 3 | 7 | 7 | 4 | 3 | — | — |
Wind waves Height (m) Direction Period (s) | WNW 3 | WSW 3 | SW 4 | WSW 5 | — | SW 5 | — | — | — | ENE 9 | E 4 | E 5 | E 5 | E 5 | — | — | — | — | — | SSW 6 | SSW 2 | WSW 3 | — | — |
| kJ | 2 | 7 | 35 | 61 | — | 30 | — | — | — | 99 | 50 | 75 | 42 | 25 | — | — | — | — | — | 13 | 1 | 1 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 24 | 130 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 157 | 130 | 130 | 130 | 54 | 29 | 24 | 24 | 130 | 131 | 131 | 131 | 29 | 29 | 49 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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