Surf Forecasts:
How big are the waves at Greenhill today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 4.5ft (1.3m), 10s period with ESE swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 4.5ft (1.4m), 10s period with ESE swell.
- Evening surf: Evening surf (20 Oct, local time) - 4.5ft (1.4m), 10s period with ESE swell.
The current surf forecast for Greenhill at 11AM is: 1.3m 10s primary swell from a East-southeast direction (forecast issued at 07:00am October 20). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 4.5ft (1.3m) | 10s |
| Afternoon (20 Oct) | 4.5ft (1.4m) | 10s |
| Evening (20 Oct) | 4.5ft (1.4m) | 10s |
Table - waves today at Greenhill. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Tue afternoon, min 7°C on Wed night). Mainly fresh winds. | |||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||||||
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) | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 10 | ESE 10 | E 10 | E 10 | E 9 | ESE 9 | ESE 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 382 | 389 | 331 | 373 | 318 | 312 | 351 | 336 | 433 | 363 | 522 | 631 | 520 | 502 | 426 | 338 | 225 | 168 | 192 | 183 | 142 | 96 | 73 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 3:46AM0.93m | 4:02PM1.02m | 4:39AM1.01m | 4:53PM1.06m | 5:24AM1.11m | 5:38PM1.10m | |||||||||||||||||
Low Tide | 9:47AM0.41m | 10:25PM0.33m | 10:44AM0.35m | 11:08PM0.26m | 11:34AM0.27m | ||||||||||||||||||
 |  |  | | | | | |  | | |  | |  | | | | | | | | | | |
 | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 9 | 9 | 13 | 15 | 13 | 11 | 11 | 10 | 9 | 9 | 10 | 11 | 10 | 9 | 8 | 8 | 7 | 7 | 11 | 15 | 15 | 13 | 12 |
Feels °C | 3 | 3 | 6 | 9 | 6 | 5 | 4 | 3 | 1 | 1 | 3 | 4 | 3 | 2 | 1 | 1 | 0 | 0 | 4 | 8 | 9 | 8 | 6 |
Swell 1 Height (m) Direction Period (s) | ESE 11 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | SE 10 | ESE 10 | E 10 | E 10 | E 9 | ESE 9 | ESE 9 |
| kJ | 382 | 389 | 331 | 373 | 318 | 312 | 351 | 336 | 433 | 363 | 522 | 631 | 520 | 502 | 426 | 338 | 225 | 168 | 192 | 183 | 142 | 96 | 73 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 6 | E 6 | SSE 9 | SE 9 | SSE 8 | SE 8 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 28 | 30 | 30 | 19 | 7 | 3 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 8 | SSE 8 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 18 | 14 | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | NE 4 | NE 5 | NE 5 | NE 5 | NE 5 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 5 | NNE 5 | NNE 5 | NE 5 | NNE 5 | NNE 5 | N 4 | NE 5 | N 3 | NNE 4 |
| kJ | 26 | 40 | 61 | 58 | 93 | 93 | 149 | 183 | 143 | 240 | 167 | 104 | 110 | 64 | 69 | 80 | 98 | 90 | 42 | 11 | 30 | 7 | 25 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 20 | 20 | 624 | 624 | 165 | 22 | 638 | 638 | 638 | 638 | 866 | 866 | 866 | 388 | 227 | 149 | 149 | 149 | 387 | 386 | 0 | 0 | 164 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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