Surf Forecasts:
How big are the waves at Block Island today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 2ft (0.6m), 7s period with SE swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 2ft (0.6m), 7s period with SE swell.
- Evening surf: Evening surf (19 Aug, local time) - 1.5ft (0.4m), 8s period with ESE swell.
The current surf forecast for Block Island at 10AM is: 0.6m 7s primary swell from a Southeast direction and 0.3m 10s secondary swell from a Southeast direction, 0.4m 6s secondary swell from a South-southwest direction (forecast issued at 07:00am August 19). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 2ft (0.6m) | 7s |
| Afternoon (19 Aug) | 2ft (0.6m) | 7s |
| Evening (19 Aug) | 1.5ft (0.4m) | 8s |
Table - waves today at Block Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Fri night. Warm (max 26°C on Thu afternoon, min 20°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||||||||
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) | SE 8 | SE 8 | SE 7 | SE 7 | SSE 6 | SE 8 | SE 9 | SE 9 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 7 | SE 7 | ESE 8 | SE 8 | SE 9 | SE 8 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
Wave Graph | |||||||||||||||||||||||
49 | 45 | 41 | 29 | 24 | 18 | 39 | 38 | 20 | 20 | 20 | 20 | 12 | 12 | 27 | 18 | 19 | 18 | 18 | 27 | 26 | 26 | 26 | |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | off | glassy | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:51PM0.84m | 1:59AM0.63m | 2:56PM0.80m | 3:09AM0.60m | 4:02PM0.79m | ||||||||||||||||||
Low Tide | 6:30AM0.19m | 8:37PM0.25m | 7:19AM0.23m | 9:43PM0.27m | 8:42AM0.25m | 10:43PM0.26m | |||||||||||||||||
5:58 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | |
— | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:37 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 25 | 24 | 23 | 24 | 25 | 26 | 24 | 24 | 23 | 22 | 21 | 21 | 23 | 23 | 23 | 22 |
Feels °C | 25 | 25 | 25 | 24 | 24 | 23 | 24 | 26 | 25 | 23 | 25 | 24 | 24 | 23 | 23 | 22 | 21 | 18 | 18 | 21 | 21 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 7 | SE 7 | SSE 6 | SE 8 | SE 9 | SE 9 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 7 | SE 7 | ESE 8 | SE 8 | SE 9 | SE 8 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
49 | 45 | 41 | 29 | 24 | 14 | 39 | 38 | 20 | 20 | 20 | 20 | 12 | 12 | 27 | 18 | 19 | 18 | 18 | 27 | 26 | 26 | 26 | |
Swell 2 Height (m) Direction Period (s) | S 7 | S 6 | SE 10 | SE 10 | SE 8 | SE 6 | SSE 6 | SSE 6 | SE 9 | SW 3 | SW 3 | SE 9 | SE 9 | SE 9 | NW 3 | E 7 | E 8 | E 7 | E 7 | S 5 | — | SW 6 | SE 14 |
22 | 22 | 15 | 14 | 9 | 8 | 6 | 10 | 13 | 2 | 2 | 12 | 12 | 12 | 1 | 4 | 4 | 4 | 4 | 1 | — | 1 | 8 | |
Swell 3 Height (m) Direction Period (s) | SSE 11 | SE 10 | SE 10 | SE 10 | SE 9 | SSE 9 | — | SE 9 | SSE 6 | S 6 | SE 9 | SW 5 | S 5 | S 5 | S 5 | S 5 | — | — | — | SE 14 | SE 14 | SE 14 | SE 14 |
12 | 16 | 15 | 14 | 14 | 9 | — | 13 | 3 | 2 | 13 | 4 | 2 | 2 | 2 | 2 | — | — | — | 8 | 8 | 8 | 8 | |
Wind waves Height (m) Direction Period (s) | SSW 2 | — | SSW 6 | SSW 6 | SW 3 | SSW 6 | SSW 3 | SSW 3 | SW 3 | SW 3 | — | — | — | NW 3 | N 3 | — | — | — | NE 2 | ENE 2 | E 2 | SE 3 | S 5 |
1 | — | 15 | 15 | 2 | 18 | 6 | 4 | 3 | 1 | — | — | — | 6 | 1 | — | — | — | 1 | 1 | 1 | 3 | 21 | |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 24 | 26 | 24 | 24 | 24 | 24 | 198 | 195 | 195 | 198 | 29 | 29 | 29 | 1084 | 198 | 198 | 159 | 159 | 207 | 159 | 634 | 634 | 634 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)













