Surf Forecasts:
How big are the waves at Greenhill today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 1.5ft (0.4m), 6s period with SSW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 0.5ft (0.2m), 9s period with SSE swell.
- Evening surf: Evening surf (12 Sep, local time) - 1ft (0.3m), 10s period with SE swell.
The current surf forecast for Greenhill at 1PM is: 0.2m 9s primary swell from a South-southeast direction and 0.3m 6s secondary swell from a South-southwest direction (forecast issued at 07:00am September 12). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 1.5ft (0.4m) | 6s |
| Afternoon (12 Sep) | 0.5ft (0.2m) | 9s |
| Evening (12 Sep) | 1ft (0.3m) | 10s |
Table - waves today at Greenhill. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 60mm), heaviest during Sun morning. Warm (max 23°C on Mon afternoon, min 14°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||||||||
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) | S 6 | SSW 6 | SSW 6 | SSE 9 | SSE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SSW 6 | SE 6 | S 6 | SSE 6 | SSE 6 | SE 6 | SE 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 19 | 12 | 12 | 8 | 8 | 14 | 15 | 24 | 24 | 24 | 23 | 23 | 33 | 37 | 43 | 45 | 25 | 18 | 24 | 26 | 24 | 14 | 14 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | glassy | cross-on | cross-on | cross | off | cross-off | off | off | off | off |
High Tide | 9:11AM1.38m | 9:31PM1.24m | 9:52AM1.37m | 10:10PM1.18m | 10:32AM1.33m | 10:49PM1.10m | |||||||||||||||||
Low Tide | 2:57AM0.03m | 3:27PM0.04m | 3:35AM0.06m | 4:09PM0.09m | 4:12AM0.10m | 4:52PM0.16m | |||||||||||||||||
 |  | | |  | |  | |  |  |  | |  | | | |  | | | | | | | |
 | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 37 | 17 | 2 | — | — | — | 1 | 2 | — | — | — | — | — |
Temp °C | 18 | 17 | 20 | 21 | 21 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 18 | 19 | 23 | 23 | 21 | 17 |
Feels °C | 17 | 16 | 19 | 19 | 20 | 19 | 19 | 21 | 21 | 23 | 23 | 24 | 23 | 23 | 23 | 21 | 22 | 16 | 17 | 20 | 20 | 17 | 12 |
Swell 1 Height (m) Direction Period (s) | S 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 5 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SSE 5 | SSE 5 | SSE 6 | SSE 6 | SE 6 | SE 6 | S 6 | SSE 6 | SSE 6 | SE 6 | SE 6 |
| kJ | 19 | 12 | 12 | 6 | 6 | 6 | 15 | 24 | 24 | 24 | 23 | 23 | 33 | 37 | 43 | 45 | 19 | 18 | 24 | 26 | 24 | 14 | 14 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SE 10 | S 8 | SSW 5 | — | SSW 5 | — | — | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSW 5 | SE 9 | ENE 4 | ENE 4 | SSW 5 | S 6 |
| kJ | 8 | 8 | 8 | 8 | 8 | 14 | 1 | 2 | — | 2 | — | — | 22 | 21 | 14 | 12 | 12 | 15 | 12 | 3 | 3 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SSE 6 | SE 6 | SE 6 | S 8 | — | — | — | — | — | — | — | E 4 | ENE 3 | — | SE 9 | SW 5 | — | — | ESE 9 | — |
| kJ | 2 | 2 | 2 | 4 | 1 | 1 | 1 | — | — | — | — | — | — | — | 1 | 1 | — | 12 | 6 | — | — | 7 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSE 6 | — | S 5 | SSE 3 | SSE 3 | SSE 4 | SSE 4 | SSE 5 | — | NNE 2 | NNW 3 | — | SSW 6 | N 2 | NE 3 | — | — | NNE 2 | NNE 3 |
| kJ | — | — | — | — | 4 | — | 8 | 3 | 5 | 6 | 12 | 22 | — | 1 | 1 | — | 25 | 1 | 3 | — | — | 1 | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 722 | 766 | 1170 | 1177 | 1071 | 621 | 187 | 412 | 354 | 269 | 176 | 38 | 6 | 6 | 16 | 230 | 16 | 27 | 227 | 38 | 43 | 185 | 624 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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