Surf Forecasts:
How big are the waves at Greenhill today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 0.5ft (0.2m), 5s period with E swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 1.5ft (0.4m), 4s period with ENE swell.
- Evening surf: Evening surf (18 Oct, local time) - 0.5ft (0.1m), 8s period with SE swell.
The current surf forecast for Greenhill at 2AM is: 0.2m 7s primary swell from a South direction and 0.1m 9s secondary swell from a Southeast direction (forecast issued at 07:00pm October 17). An open ocean swell of 1.0m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 0.5ft (0.2m) | 5s |
| Afternoon (18 Oct) | 1.5ft (0.4m) | 4s |
| Evening (18 Oct) | 0.5ft (0.1m) | 8s |
Table - waves today at Greenhill. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 13°C on Tue afternoon, min 4°C on Sat night). Winds increasing (light winds from the NE on Sun afternoon, fresh winds from the NNE by Tue afternoon). | |||||||||||||||||||
Sat 17 | Sunday 18 | Monday 19 | |||||||||||||||||
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 7 | S 7 | S 7 | S 7 | S 7 | E 5 | E 6 | ENE 4 | S 9 | SE 9 | E 11 | ESE 8 | ESE 8 | ESE 9 | ESE 10 | ESE 10 | ESE 11 | SE 11 | SE 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 22 | 15 | 8 | 4 | 4 | 2 | 3 | 7 | 2 | 3 | 2 | 6 | 26 | 199 | 346 | 596 | 622 | 799 | 913 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | off | off |
High Tide | 1:32AM0.86m | 2:02PM1.01m | 2:42AM0.87m | 3:05PM1.00m | |||||||||||||||
Low Tide | 7:35PM0.41m | 7:29AM0.42m | 8:38PM0.41m | 8:40AM0.43m | 9:36PM0.38m | ||||||||||||||
 |  | | | |  | | | | | | | | |  | | |  | | |
 | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — |
 | 6:02 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 8 | 5 | 4 | 4 | 5 | 7 | 10 | 11 | 10 | 9 | 9 | 8 | 8 | 9 | 12 | 10 | 10 | 10 |
Feels °C | 3 | 1 | -3 | -2 | -3 | -1 | 2 | 6 | 7 | 5 | 4 | 4 | 3 | 3 | 3 | 5 | 3 | 4 | 3 |
Swell 1 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | S 7 | S 7 | E 5 | E 6 | ENE 4 | S 9 | SE 9 | SE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 10 | — | ESE 11 | SE 11 | SE 12 |
| kJ | 22 | 15 | 8 | 4 | 4 | 2 | 3 | 7 | 2 | 3 | 2 | 6 | 26 | 199 | 346 | — | 622 | 799 | 913 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | S 7 | SE 9 | SE 9 | — | E 8 | E 11 | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | 3 | 3 | 3 | 1 | 3 | 3 | — | 1 | 2 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | SW 7 | — | — | E 7 | S 7 | S 6 | S 6 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 2 | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | NNE 4 | NNE 4 | NNE 5 | NNE 4 | NNE 4 | NE 4 | — | E 5 | E 4 | E 5 | ESE 5 | ESE 6 | NE 3 | NE 4 | ESE 10 | ENE 4 | NE 4 | NE 5 |
| kJ | 14 | 17 | 40 | 40 | 26 | 11 | 7 | — | 7 | 9 | 23 | 36 | 40 | 5 | 8 | 596 | 35 | 39 | 41 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 624 | 624 | 660 | 660 | 120 | 757 | 192 | 150 | 150 | 165 | 998 | 1010 | 1010 | 0 | 1202 | 1010 | 1006 | 33 | 879 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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