Surf Forecasts:
How big are the waves at Greenhill today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 1.5ft (0.4m), 7s period with SE swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 1.5ft (0.4m), 7s period with SE swell.
- Evening surf: Evening surf (20 Aug, local time) - 1.5ft (0.4m), 7s period with SE swell.
The current surf forecast for Greenhill at 7PM is: 0.3m 8s primary swell from a Southeast direction and 0.3m 7s secondary swell from a Southeast direction, 0.2m 2s secondary swell from a South-southwest direction (forecast issued at 01:00pm August 20). The wind direction is predicted to be cross-shore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 1.5ft (0.4m) | 7s |
| Afternoon (20 Aug) | 1.5ft (0.4m) | 7s |
| Evening (20 Aug) | 1.5ft (0.4m) | 7s |
Table - waves today at Greenhill. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 40mm), heaviest during Sat night. Warm (max 27°C on Thu afternoon, min 17°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||||
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 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | E 5 | E 5 | E 5 | ESE 8 | ESE 8 | E 5 | ESE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 12 | 12 | 11 | 11 | 17 | 17 | 17 | 17 | 11 | 10 | 11 | 11 | 10 | 10 | 17 | 17 | 17 | 6 | 6 | 5 | 5 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | on | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | off | cross-off | off | cross-off |
High Tide | 2:28PM1.09m | 2:42AM0.86m | 3:29PM1.06m | 3:47AM0.85m | 4:31PM1.06m | ||||||||||||||||
Low Tide | 8:57PM0.42m | 8:45AM0.36m | 10:02PM0.43m | 9:48AM0.37m | |||||||||||||||||
 |  |  |  |  | | |  | | | | |  |  | | | | |  |  | | |
 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | 7:38 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:36 | — | — |
mm | — | — | — | — | 4 | 4 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | 6 | 9 | 4 |
Temp °C | 26 | 27 | 25 | 23 | 18 | 17 | 17 | 17 | 20 | 23 | 23 | 21 | 19 | 18 | 17 | 17 | 18 | 19 | 19 | 19 | 18 |
Feels °C | 28 | 27 | 25 | 23 | 16 | 15 | 16 | 15 | 17 | 21 | 21 | 19 | 19 | 18 | 16 | 16 | 17 | 20 | 19 | 20 | 18 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSW 5 | SSW 5 | SSW 5 | E 5 | E 5 | E 5 | SSE 5 | SSE 5 | E 5 | SSE 5 |
| kJ | 11 | 11 | 11 | 7 | 17 | 17 | 17 | 17 | 11 | 10 | 11 | 5 | 5 | 6 | 17 | 17 | 17 | 5 | 5 | 4 | 2 |
Swell 2 Height (m) Direction Period (s) | SSW 5 | SE 9 | SE 8 | SE 8 | S 5 | S 5 | S 5 | S 5 | — | S 6 | S 5 | SE 8 | SE 8 | SE 8 | SSW 6 | ESE 8 | SSE 6 | ESE 8 | ESE 8 | SSE 5 | ESE 7 |
| kJ | 3 | 12 | 11 | 11 | 2 | 2 | 2 | 1 | — | 2 | 2 | 11 | 10 | 10 | 6 | 6 | 3 | 6 | 6 | 4 | 5 |
Swell 3 Height (m) Direction Period (s) | SE 9 | S 5 | S 5 | S 5 | SW 5 | — | S 15 | S 15 | S 15 | S 14 | S 14 | SE 14 | SE 14 | SE 14 | SE 8 | SSW 5 | ESE 8 | SSW 5 | SW 5 | ESE 7 | E 5 |
| kJ | 12 | 2 | 2 | 2 | 1 | — | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 7 | 10 | 3 | 6 | 2 | 1 | 5 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | SSW 2 | SW 3 | N 3 | NE 3 | NE 3 | NE 3 | NE 4 | ENE 4 | E 5 | E 5 | ENE 5 | ENE 5 | NNE 3 | NNE 4 | NNE 3 | ENE 5 | ENE 4 | NNE 3 | NE 3 |
| kJ | — | — | 1 | 1 | 2 | 5 | 4 | 5 | 12 | 20 | 34 | 37 | 29 | 31 | 5 | 5 | 2 | 15 | 8 | 1 | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 150 | 1071 | 176 | 150 | 227 | 176 | 185 | 185 | 624 | 3397 | 780 | 227 | 176 | 185 | 70 | 683 | 683 | 113 | 150 | 149 | 120 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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