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Surf Forecasts:
Greenhill surfForecast / Rhode Island / USA
48hr Weather and Surf, issued 6 pm Thursday 11 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Greenhill surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Greenhill sea temperature is
9.2° C
(Which is normal for this time of year)How big are the waves at Greenhill today?
The current surf forecast for Greenhill at 12AM is: 1.9m 6s primary swell from a West-southwest direction and 0.3m 9s secondary swell from a South-southeast direction (forecast issued at 06:00pm December 11). An open ocean swell of 0.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | - | - |
| Afternoon (12 Dec) | 4ft (1.2m) | 8s |
| Evening (12 Dec) | 6ft (1.9m) | 6s |
Table - waves today at Greenhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 4 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 202 | 186 | 229 | 254 | 265 | 231 | 197 | 149 | 96 | 107 | 85 | 56 | 39 | 23 | 26 | 55 | 110 | 123 | 96 | 58 | 39 | 21 | 17 | 10 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:01PM 1.09 | 1:42AM 1.11 | 1:57PM 1.02 | 2:38AM 1.13 | 2:50PM 0.98 | 3:28AM 1.15 | ||||||||||||||||||
Low Tide / height (m) | 7:19PM 0.24 | 7:56AM 0.32 | 8:09PM 0.26 | 8:56AM 0.34 | 8:56PM 0.26 | 9:50AM 0.34 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - |
| Sunset | 4:16 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | |  | |  |  | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -1 | -2 | -3 | -4 | -4 | -4 | -3 | 0 | 1 | 0 | -1 | -1 | -1 | 0 | 2 | 4 | 4 | 3 | 2 | 2 | 0 | -3 | -3 | -1 |
| Feels °C (?) | -11 | -12 | -14 | -15 | -14 | -13 | -12 | -9 | -7 | -8 | -8 | -7 | -7 | -6 | -5 | -4 | -4 | -4 | -4 | -4 | -6 | -9 | -10 | -9 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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