Surf Forecasts:
How big are the waves at Greenhill today (19 Sep):
- Afternoon surf: Afternoon surf (19 Sep, local time) - 1.5ft (0.4m), 5s period with SSW swell.
- Evening surf: Evening surf (19 Sep, local time) - 0.5ft (0.2m), 7s period with ESE swell.
The current surf forecast for Greenhill at 12AM is: 0.1m 12s primary swell from a Southeast direction and 0.3m 4s secondary swell from a South-southwest direction, 0.2m 6s secondary swell from a East-southeast direction (forecast issued at 07:00pm September 18). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | - | - |
| Afternoon (19 Sep) | 1.5ft (0.4m) | 5s |
| Evening (19 Sep) | 0.5ft (0.2m) | 7s |
Table - waves today at Greenhill. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Sun night. Warm (max 23°C on Fri night, min 12°C on Sun night). Mainly fresh winds. | |||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | |||||||||||||||||
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) | SSW 5 | SSW 5 | ESE 7 | ESE 6 | ESE 6 | SE 12 | SE 8 | SE 8 | SE 11 | SE 11 | ESE 7 | SSE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 7 | 5 | 5 | 4 | 5 | 5 | 11 | 11 | 5 | 5 | 5 | 12 | 18 | 18 | 18 | 18 | 17 | 16 | 11 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | off | off | off | off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 2:03AM0.85m | 2:47PM1.02m | 3:15AM0.84m | 3:53PM1.02m | |||||||||||||||
Low Tide | 8:15PM0.43m | 8:04AM0.40m | 9:23PM0.44m | 9:15AM0.41m | 10:26PM0.41m | ||||||||||||||
 |  | |  | |  | | |  | | |  | | | |  | |  |  | |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | 6:51 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | 6 | 1 |
Temp °C | 25 | 23 | 19 | 16 | 15 | 14 | 16 | 17 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 18 | 19 |
Feels °C | 26 | 22 | 14 | 11 | 11 | 10 | 12 | 13 | 12 | 11 | 12 | 12 | 13 | 12 | 13 | 15 | 16 | 17 | 19 |
Swell 1 Height (m) Direction Period (s) | SSW 5 | SSW 5 | SSW 4 | SSW 4 | ESE 6 | SE 8 | SE 8 | SE 8 | SE 11 | SE 11 | ESE 7 | ESE 7 | ESE 7 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 8 |
| kJ | 7 | 4 | 4 | 2 | 4 | 3 | 11 | 11 | 5 | 5 | 5 | 5 | 5 | 18 | 18 | 18 | 17 | 16 | 11 |
Swell 2 Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 6 | SE 8 | SE 12 | SE 12 | SE 12 | — | — | SE 9 | SSE 11 | SE 11 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 6 | SSE 10 |
| kJ | 4 | 4 | 4 | 4 | 3 | 5 | 5 | 5 | — | — | 3 | 12 | 18 | 5 | 5 | 5 | 5 | 4 | 10 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 8 | SE 12 | SW 4 | — | — | — | — | SE 11 | SE 9 | E 7 | — | — | — | — | ESE 7 | ESE 6 |
| kJ | 5 | 5 | 5 | 3 | 5 | 1 | — | — | — | — | 5 | 3 | 1 | — | — | — | — | 9 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | NNE 2 | NNE 3 | ENE 4 | ENE 5 | ENE 5 | E 5 | E 4 | E 4 | E 4 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | SE 4 | SE 4 | SE 4 | SE 4 |
| kJ | — | — | 1 | 4 | 11 | 42 | 45 | 25 | 22 | 15 | 11 | 8 | 6 | 6 | 10 | 12 | 14 | 11 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 61 | 61 | 632 | 632 | 136 | 113 | 113 | 113 | 1177 | 1177 | 176 | 176 | 866 | 865 | 768 | 150 | 1071 | 227 | 185 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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