Surf Forecasts:
How big are the waves at Greenhill today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 2.5ft (0.8m), 8s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 2.5ft (0.7m), 7s period with S swell.
- Evening surf: Evening surf (20 Jul, local time) - 2.5ft (0.7m), 7s period with S swell.
The current surf forecast for Greenhill at 9AM is: 0.8m 8s primary swell from a South-southwest direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 01:00am July 20). The wind direction is predicted to be glassy.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 2.5ft (0.8m) | 8s |
| Afternoon (20 Jul) | 2.5ft (0.7m) | 7s |
| Evening (20 Jul) | 2.5ft (0.7m) | 7s |
Table - waves today at Greenhill. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Tue night. Warm (max 24°C on Wed morning, min 17°C on Wed night). Winds increasing (calm on Mon morning, fresh winds from the SSW by Tue night). | ||||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
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) | SSW 8 | SSW 8 | SSW 8 | S 8 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 7 | S 5 | S 6 | S 6 | S 6 | SSW 7 | SSW 8 | SSW 9 | S 9 | SSW 8 | SSW 8 | SSW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 94 | 77 | 77 | 74 | 54 | 52 | 49 | 48 | 62 | 62 | 35 | 24 | 23 | 57 | 94 | 148 | 186 | 290 | 427 | 795 | 537 | 671 | 851 | 1487 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | glassy | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | on | cross-on | on | on | on | on | on | cross |
High Tide | 00:53AM1.11m | 1:29PM1.20m | 1:42AM1.02m | 2:21PM1.16m | 2:33AM0.95m | 3:15PM1.13m | ||||||||||||||||||
Low Tide | 7:04AM0.18m | 7:46PM0.28m | 7:50AM0.23m | 8:43PM0.34m | 8:38AM0.28m | 9:41PM0.38m | ||||||||||||||||||
 | |  | | | | | | | |  | | |  |  |  |  |  | |  |  | | | | |
 | — | 5:28 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 10 | 3 | — | — | — | 1 | 1 | 1 | 1 |
Temp °C | 19 | 18 | 19 | 22 | 23 | 22 | 21 | 20 | 20 | 20 | 21 | 22 | 23 | 22 | 22 | 22 | 22 | 21 | 22 | 24 | 24 | 24 | 23 | 21 |
Feels °C | 17 | 17 | 18 | 21 | 19 | 18 | 19 | 19 | 20 | 20 | 20 | 20 | 21 | 21 | 22 | 21 | 21 | 21 | 23 | 24 | 24 | 23 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | S 8 | S 7 | S 7 | S 7 | S 7 | SE 8 | SE 8 | S 7 | S 7 | S 7 | SE 11 | SE 8 | S 11 | S 11 | — | SSW 8 | S 8 | — | — | — | S 9 |
| kJ | 94 | 77 | 77 | 74 | 54 | 52 | 49 | 48 | 3 | 3 | 35 | 24 | 23 | 4 | 2 | 2 | 2 | — | 427 | 461 | — | — | — | 1137 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | S 12 | SE 12 | SE 8 | S 12 | SE 8 | — | SE 11 | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 3 | 5 | 3 | 3 | 3 | — | 5 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 12 | — | — | — | SE 8 | SE 8 | SE 8 | SE 12 | SE 12 | S 12 | — | S 12 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 6 | — | — | — | 3 | 3 | 3 | 5 | 5 | 3 | — | 3 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 2 | — | — | — | — | — | SSW 3 | S 3 | S 7 | S 7 | S 4 | SSE 4 | SSE 4 | S 5 | S 6 | S 6 | S 6 | SSW 7 | — | SSW 9 | S 9 | SSW 8 | SSW 8 | SSW 9 |
| kJ | 1 | — | — | — | — | — | 1 | 2 | 62 | 62 | 7 | 11 | 21 | 57 | 94 | 148 | 186 | 290 | — | 795 | 537 | 671 | 851 | 1487 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 722 | 660 | 660 | 624 | 227 | 430 | 1170 | 1170 | 1170 | 1170 | 126 | 12 | 12 | 21 | 12 | 12 | 12 | 12 | 12 | 7 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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