Surf Forecasts:
How big are the waves at Greenhill today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 5ft (1.5m), 10s period with ESE swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 5.5ft (1.7m), 10s period with ESE swell.
- Evening surf: Evening surf (21 Oct, local time) - 5ft (1.6m), 10s period with ESE swell.
The current surf forecast for Greenhill at 9AM is: 1.5m 10s primary swell from a East-southeast direction (forecast issued at 01:00am October 21). An open ocean swell of 1.6m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 5ft (1.5m) | 10s |
| Afternoon (21 Oct) | 5.5ft (1.7m) | 10s |
| Evening (21 Oct) | 5ft (1.6m) | 10s |
Table - waves today at Greenhill. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Very mild (max 16°C on Thu afternoon, min 7°C on Fri morning). Winds decreasing (strong winds from the NE on Wed morning, light winds from the N by Fri night). | ||||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||||||||||
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 | 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 10 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 9 | SSE 11 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 12 | ESE 12 | ESE 12 | ESE 12 | ESE 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 10 | 402 | 428 | 461 | 559 | 631 | 520 | 532 | 442 | 288 | 235 | 217 | 176 | 170 | 121 | 71 | 52 | 30 | 32 | 53 | 54 | 47 | 47 | 46 |
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 | cross-off | off | cross-off | off | off | off | off | off | cross-off | cross-off |
High Tide | 4:39AM1.01m | 4:53PM1.06m | 5:24AM1.11m | 5:38PM1.10m | 6:06AM1.22m | 6:21PM1.15m | ||||||||||||||||||
Low Tide | 10:44AM0.35m | 11:08PM0.26m | 11:34AM0.27m | 11:47PM0.19m | 12:20PM0.19m | |||||||||||||||||||
 | |  |  | | |  | |  | | | |  | | | | | | | | | |  | | |
 | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 10 | 9 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 12 | 15 | 16 | 14 | 11 | 9 | 8 | 7 | 9 | 12 | 13 | 10 | 9 |
Feels °C | 4 | 2 | 2 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 0 | 4 | 8 | 11 | 9 | 5 | 4 | 2 | 2 | 4 | 7 | 8 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | ESE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 9 | E 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | NE 5 | ESE 12 | ESE 12 | ESE 12 | ESE 12 |
| kJ | 10 | 402 | 428 | 461 | 559 | 631 | 520 | 532 | 442 | 288 | 235 | 217 | 166 | 170 | 121 | 71 | 52 | 30 | 32 | 14 | 54 | 47 | 47 | 46 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 11 | SSE 10 | — | SE 9 | — | — | — | ESE 12 | ENE 4 | — | ENE 5 | — |
| kJ | — | — | — | — | — | — | — | 43 | 42 | 95 | 88 | 138 | 176 | 68 | — | 41 | — | — | — | 53 | 2 | — | 17 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | N 5 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 6 | NE 6 | NE 6 | E 6 | NE 6 | NE 6 | NE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | N 5 | NNE 6 | NNW 2 | NNE 4 | NE 4 | NE 5 | NE 5 | — | — | — | NE 4 | — |
| kJ | 289 | 141 | 154 | 365 | 172 | 143 | 177 | 148 | 151 | 151 | 126 | 95 | 32 | 55 | 1 | 13 | 24 | 62 | 28 | — | — | — | 5 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 638 | 638 | 638 | 866 | 866 | 866 | 388 | 865 | 764 | 780 | 328 | 371 | 13 | 0 | 7 | 0 | 164 | 149 | 16 | 6 | 6 | 24 | 54 | 113 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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