Surf Forecasts:
How big are the waves at Greenhill today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 1.5ft (0.4m), 10s period with SE swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 3.5ft (1.0m), 5s period with S swell.
- Evening surf: Evening surf (13 Sep, local time) - 2.5ft (0.7m), 6s period with SSW swell.
The current surf forecast for Greenhill at 4AM is: 0.4m 10s primary swell from a Southeast direction and 0.2m 5s secondary swell from a South-southwest direction, 0.3m 3s secondary swell from a South-southeast direction (forecast issued at 07:00pm September 12). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 1.5ft (0.4m) | 10s |
| Afternoon (13 Sep) | 3.5ft (1.0m) | 5s |
| Evening (13 Sep) | 2.5ft (0.7m) | 6s |
Table - waves today at Greenhill. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 74mm), heaviest during Sun morning. Warm (max 23°C on Mon afternoon, min 13°C on Tue morning). Wind will be generally light. | |||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | |||||||||||||||||
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) | SSE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | S 5 | SSE 6 | SSW 6 | S 6 | S 6 | SW 6 | SE 6 | SE 9 | SE 7 | SE 6 | SE 7 | SE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 8 | 14 | 15 | 24 | 24 | 24 | 23 | 52 | 46 | 36 | 42 | 23 | 32 | 18 | 15 | 23 | 19 | 19 | 19 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | off | cross-off | cross-off | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | off | off | off |
High Tide | 9:31PM1.24m | 9:52AM1.37m | 10:10PM1.18m | 10:32AM1.33m | 10:49PM1.10m | ||||||||||||||
Low Tide | 3:27PM0.04m | 3:35AM0.06m | 4:09PM0.09m | 4:12AM0.10m | 4:52PM0.16m | ||||||||||||||
 |  | |  | |  |  | |  | | | |  | | | | | | | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | — | — | — | — | — | 2 | 49 | 20 | — | — | — | — | 1 | 2 | — | — | — | — | — |
Temp °C | 20 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 22 | 21 | 21 | 21 | 20 | 17 | 19 | 23 | 23 | 20 | 17 |
Feels °C | 19 | 18 | 18 | 19 | 20 | 21 | 20 | 20 | 24 | 23 | 23 | 22 | 20 | 14 | 16 | 20 | 20 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SSW 5 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SSE 6 | SSW 6 | S 6 | S 6 | SSW 6 | SE 6 | SSE 6 | SE 7 | SE 6 | SE 7 | SE 7 |
| kJ | 6 | 6 | 15 | 24 | 24 | 24 | 23 | 23 | 46 | 36 | 42 | 23 | 25 | 18 | 15 | 23 | 19 | 19 | 19 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SE 10 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | — | SE 9 | SSW 6 | SSE 6 | SE 9 | SE 7 | SE 6 | SSW 6 | SSW 6 | SSW 5 | SSW 6 | SSW 6 | S 6 |
| kJ | 8 | 14 | 3 | 2 | 2 | 2 | — | 31 | 28 | 23 | 21 | 16 | 18 | 10 | 10 | 10 | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | SSE 6 | SE 6 | S 8 | — | — | — | — | — | SE 9 | SE 9 | E 3 | SE 9 | SE 9 | SE 9 | SE 9 | — | N 3 | SSE 6 | — |
| kJ | 4 | 1 | 1 | — | — | — | — | — | 14 | 21 | 1 | 12 | 19 | 12 | 12 | — | 2 | 3 | — |
Wind waves Height (m) Direction Period (s) | — | — | SSE 6 | SSE 3 | SSE 3 | SE 4 | SE 4 | S 5 | NE 2 | NNE 3 | — | SW 3 | SW 6 | NNW 3 | NNW 3 | NNW 3 | — | NNE 3 | N 3 |
| kJ | — | — | 6 | 1 | 2 | 3 | 16 | 52 | 1 | 3 | — | 2 | 32 | 3 | 2 | 1 | — | 2 | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1071 | 1071 | 632 | 227 | 227 | 227 | 126 | 0 | 0 | 0 | 11 | 227 | 11 | 161 | 185 | 61 | 43 | 227 | 227 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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