Surf Forecasts:
How big are the waves at Block Island today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 0.5ft (0.2m), 9s period with ESE swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 0.5ft (0.2m), 6s period with S swell.
- Evening surf: Evening surf (15 Aug, local time) - 0.5ft (0.2m), 6s period with SSE swell.
The current surf forecast for Block Island at 2PM is: 0.1m 9s primary swell from a Southeast direction and 0.2m 6s secondary swell from a South direction, 0.2m 3s secondary swell from a East-northeast direction (forecast issued at 07:00am August 15). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 0.5ft (0.2m) | 9s |
| Afternoon (15 Aug) | 0.5ft (0.2m) | 6s |
| Evening (15 Aug) | 0.5ft (0.2m) | 6s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Mon afternoon. Warm (max 24°C on Mon afternoon, min 19°C on Sun morning). Winds increasing (calm on Sun morning, fresh winds from the S by Mon morning). | |||||||||||||||||||||||
Saturday 15 | Sunday 16 | Monday 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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | S 6 | SSE 6 | SSE 6 | SW 5 | ESE 9 | ESE 9 | SE 9 | SE 9 | SE 8 | SSW 6 | SSW 6 | SSW 4 | SSW 4 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | S 6 | S 7 | S 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 8 | 8 | 8 | 3 | 4 | 4 | 7 | 8 | 8 | 12 | 12 | 11 | 20 | 26 | 16 | 19 | 52 | 122 | 186 | 256 | 272 | 255 | 240 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | glassy | cross-off | off | off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | off |
High Tide | 10:29AM1.05m | 10:44PM0.92m | 11:16AM1.01m | 11:28PM0.84m | 12:04PM0.96m | ||||||||||||||||||
Low Tide | 4:17AM-0.03m | 4:44PM0.02m | 4:52AM0.02m | 5:35PM0.08m | 5:24AM0.07m | 6:30PM0.15m | |||||||||||||||||
 |  |  | | | | | | | | | | |  |  | | |  |  |  | | |  | |
 | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:44 | — | — | — | — | — | — | — | 7:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 1 | — | 1 |
Temp °C | 21 | 20 | 21 | 22 | 22 | 23 | 23 | 22 | 21 | 19 | 20 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 23 | 24 | 24 | 23 |
Feels °C | 18 | 18 | 20 | 20 | 19 | 20 | 24 | 22 | 21 | 19 | 22 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 22 | 26 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | ESE 9 | S 6 | S 6 | S 6 | SE 9 | SSE 6 | SE 9 | ESE 9 | SW 3 | S 6 | S 6 | S 6 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | — | — | — | S 7 | S 7 |
| kJ | 8 | 6 | 6 | 2 | 3 | 4 | 3 | 8 | 1 | 2 | 7 | 7 | 11 | 11 | 11 | 11 | 11 | 11 | — | — | — | 255 | 240 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | ESE 9 | ESE 9 | ENE 3 | SSE 6 | SE 9 | S 6 | S 5 | S 6 | SE 9 | SE 9 | SE 8 | SE 6 | SE 6 | SE 6 | — | S 9 | — | — | — | — | — | — |
| kJ | 4 | 8 | 8 | 1 | 4 | 3 | 3 | 2 | 2 | 12 | 12 | 11 | 1 | 1 | 1 | — | 2 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 6 | S 12 | S 12 | SE 9 | S 6 | S 5 | SE 6 | S 6 | ESE 9 | S 6 | WNW 2 | SE 6 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 3 | 3 | 3 | 2 | 2 | 2 | 3 | 8 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 3 | NNE 3 | NE 3 | — | — | — | SW 5 | SW 3 | — | — | WSW 3 | — | SSW 6 | SSW 6 | SSW 4 | SSW 4 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | S 6 | — | — |
| kJ | 5 | 4 | 2 | — | — | — | 7 | 2 | — | — | 1 | — | 20 | 26 | 16 | 19 | 52 | 122 | 186 | 256 | 272 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 847 | 847 | 1687 | 3422 | 2500 | 2551 | 2375 | 1586 | 2375 | 1541 | 1158 | 2500 | 1700 | 1696 | 912 | 1496 | 878 | 340 | 195 | 24 | 24 | 0 | 0 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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