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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 Saturday 30 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 (30 May):
- Morning surf: Morning surf (30 May, local time) - 4.5ft (1.3m), 6s period with SSW swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 2ft (0.6m), 6s period with SSW swell.
- Evening surf: Evening surf (30 May, local time) - 8ft (2.5m), 7s period with NE swell.
The current surf forecast for Block Island at 7PM is: 2.5m 7s primary swell from a Northeast direction and 0.2m 7s secondary swell from a South-southwest direction, 0.1m 8s secondary swell from a South direction (forecast issued at 01:00pm May 30). The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 4.5ft (1.3m) | 6s |
| Afternoon (30 May) | 2ft (0.6m) | 6s |
| Evening (30 May) | 8ft (2.5m) | 7s |
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 7mm), mostly falling on Sat afternoon. Very mild (max 15°C on Sun afternoon, min 8°C on Sat afternoon). Winds decreasing (gales from the N on Sat afternoon, calm by Sun night). | ||||||||||||||||||||||||
Sat 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 6 | SSW 6 | ESE 11 | NE 7 | E 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 5 | E 5 | E 5 | E 9 | |
109 | 45 | 23 | 677 | 529 | 650 | 379 | 277 | 239 | 234 | 148 | 136 | 108 | 79 | 126 | 76 | 53 | 53 | 74 | 150 | 51 | 36 | 35 | 36 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-on | cross | cross | glassy | cross | cross-off | off | cross-off | cross | cross | cross | cross | cross-off | cross-off | cross-off | |
High Tide | 8:06AM0.71m | 8:25PM0.95m | 8:45AM0.70m | 9:03PM0.94m | 9:23AM0.70m | 9:39PM0.92m | ||||||||||||||||||
Low Tide | 1:30PM0.11m | 2:53AM0.06m | 2:01PM0.11m | 3:32AM0.07m | 2:35PM0.11m | 4:10AM0.09m | ||||||||||||||||||
 |  |  | |  | | | | | | | |  |  | |  |  | | | | | | | | |
 | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — |
 | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:10 | — | — | — | — | — | — | — | 8:12 | — | — | — | 8:13 |
— | 4 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | 1 | — | — | — | — | — | — | |
Temp °C | 11 | 8 | 8 | 10 | 9 | 8 | 9 | 10 | 14 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 15 | 15 | 13 | 13 | 12 | 11 | 10 | 11 |
5 | -6 | -4 | 0 | 1 | 2 | 3 | 5 | 10 | 9 | 8 | 8 | 14 | 12 | 10 | 11 | 13 | 11 | 6 | 6 | 7 | 7 | 6 | 8 | |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 7 | SSW 7 | E 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | SW 5 | E 9 | E 9 | SW 6 | SW 6 | SW 6 | SSW 5 | SSW 5 | SW 5 | E 8 | E 8 | E 9 |
 kJ | 109 | 45 | 15 | 4 | 529 | 650 | 379 | 277 | 239 | 234 | 148 | 136 | 33 | 79 | 78 | 36 | 38 | 31 | 19 | 11 | 7 | 35 | 35 | 36 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 11 | ESE 11 | S 8 | S 6 | — | S 6 | S 6 | S 6 | S 6 | S 7 | S 7 | E 9 | SW 5 | E 9 | E 9 | E 9 | E 9 | E 9 | S 9 | SE 9 | SSW 5 | SSW 5 | SSW 5 |
| kJ | 15 | 22 | 23 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 108 | 35 | 126 | 76 | 53 | 53 | 74 | 2 | 3 | 5 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | SE 12 | — | SE 8 | — | — | — | — | — | — | S 7 | — | — | — | — | — | SSW 6 | — | SE 9 | — | — | — | SE 9 | SE 9 | SE 9 |
| kJ | 6 | — | 3 | — | — | — | — | — | — | 1 | — | — | — | — | — | 25 | — | 3 | — | — | — | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | NW 4 | N 5 | NNE 6 | NE 7 | NNE 6 | N 5 | N 4 | NNW 3 | NW 3 | WSW 3 | SW 4 | WSW 5 | — | — | SW 5 | — | — | — | — | E 9 | E 5 | E 5 | E 5 | E 5 |
| kJ | 27 | 253 | 460 | 677 | 158 | 36 | 10 | 6 | 3 | 9 | 21 | 59 | — | — | 32 | — | — | — | — | 150 | 51 | 36 | 29 | 22 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 115 | 775 | 775 | 1008 | 24 | 0 | 0 | 24 | 24 | 25 | 131 | 25 | 24 | 24 | 0 | 24 | 24 | 130 | 130 | 130 | 130 | 59 | 26 | 29 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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