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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 Friday 29 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
12.5° C
(Which is slightly cooler than normal)How big are the waves at Block Island today (29 May):
- Morning surf: Morning surf (29 May, local time) - 1.5ft (0.5m), 7s period with SSW swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 2.5ft (0.8m), 7s period with SW swell.
- Evening surf: Evening surf (29 May, local time) - 5ft (1.5m), 5s period with SW swell.
The current surf forecast for Block Island at 12PM is: 0.5m 7s primary swell from a South-southwest direction and 0.2m 9s secondary swell from a South-southeast direction (forecast issued at 07:00am May 29). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 1.5ft (0.5m) | 7s |
| Afternoon (29 May) | 2.5ft (0.8m) | 7s |
| Evening (29 May) | 5ft (1.5m) | 5s |
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 3mm), mostly falling on Fri night. Very mild (max 18°C on Sun afternoon, min 6°C on Sat morning). Winds decreasing (near gales from the N on Sat morning, calm by Sun night). | ||||||||||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 7 | SSW 7 | SSW 7 | SW 7 | SW 5 | SW 5 | SW 6 | SSW 7 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | ESE 11 | NE 6 | NE 10 | NE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | SW 6 | |
40 | 38 | 27 | 67 | 68 | 107 | 220 | 180 | 122 | 138 | 85 | 35 | 22 | 359 | 557 | 817 | 260 | 249 | 202 | 161 | 125 | 122 | 111 | 97 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross | cross | cross | cross | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross | cross-on | cross | cross-off | cross | cross-on | |
High Tide | 7:25AM0.70m | 7:45PM0.95m | 8:06AM0.71m | 8:25PM0.95m | 8:45AM0.70m | 9:03PM0.94m | ||||||||||||||||||
Low Tide | 1:03PM0.11m | 2:14AM0.06m | 1:30PM0.11m | 2:53AM0.06m | 2:01PM0.11m | |||||||||||||||||||
 |  | |  | | |  |  | | |  | | |  | | | | | | | | | | | |
 | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | 5:16 |
 | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:10 | — | 8:12 |
— | — | — | — | — | — | — | 2 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 15 | 17 | 17 | 17 | 16 | 16 | 14 | 10 | 9 | 6 | 7 | 10 | 11 | 10 | 10 | 11 | 12 | 15 | 17 | 18 | 16 | 14 | 14 |
10 | 11 | 13 | 11 | 11 | 9 | 10 | 7 | 1 | -1 | -7 | -5 | -1 | 2 | 5 | 4 | 5 | 8 | 11 | 11 | 12 | 14 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SSW 7 | SSW 7 | SSE 9 | SSE 9 | E 8 | E 8 | SSW 7 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | S 7 | S 7 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SW 6 |
 kJ | 40 | 38 | 27 | 8 | 8 | 5 | 12 | 180 | 122 | 138 | 85 | 35 | 9 | 4 | 4 | 353 | 260 | 249 | 202 | 161 | 125 | 122 | 88 | 67 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SSE 9 | SSE 9 | E 8 | E 8 | SSE 8 | SE 9 | E 8 | E 10 | E 9 | E 9 | E 11 | ESE 11 | S 8 | S 8 | SSW 7 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | — | — | E 9 | E 9 |
| kJ | 12 | 8 | 8 | 6 | 5 | 7 | 3 | 12 | 16 | 15 | 15 | 22 | 22 | 1 | 1 | 4 | 4 | 4 | 4 | 4 | — | — | 111 | 81 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 8 | — | — | — | — | — | — | — | SE 12 | WSW 7 | — | — | — | S 9 | S 9 | — | — | — | — | — | — | WSW 6 |
| kJ | 2 | 6 | 6 | — | — | — | — | — | — | — | 6 | 9 | — | — | — | 1 | 2 | — | — | — | — | — | — | 31 |
Wind waves Height (m) Direction Period (s) | N 3 | NNW 3 | NW 3 | SW 7 | SW 5 | SW 5 | SW 6 | W 6 | NW 4 | WNW 4 | NNW 5 | N 6 | NNE 7 | NE 6 | NE 10 | NE 10 | — | — | WNW 2 | WSW 3 | SW 4 | SW 5 | SW 5 | SW 6 |
| kJ | 5 | 4 | 3 | 67 | 68 | 107 | 220 | 75 | 26 | 49 | 98 | 427 | 537 | 359 | 557 | 817 | — | — | 1 | 3 | 16 | 62 | 87 | 97 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 49 | 49 | 159 | 648 | 634 | 131 | 198 | 117 | 198 | 775 | 156 | 1008 | 323 | 157 | 0 | 0 | 0 | 24 | 24 | 26 | 130 | 0 | 24 | 25 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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