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Greenhill Surf Forecast
/ Rhode Island (33 breaks) / Rhode Island (34 breaks) /
Surf Forecasts:
Greenhill surfForecast / Rhode Island / USA
48hr Weather and Surf, issued 7 pm Monday 18 May 2026 EDTForecast 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
10.4° C
(Which is slightly cooler than normal)How big are the waves at Greenhill today?
The current surf forecast for Greenhill at 12AM is: 0.9m 5s primary swell from a South-southwest direction and 0.4m 7s secondary swell from a South-southeast direction, 0.1m 13s secondary swell from a South direction (forecast issued at 07:00pm May 18). The wind direction is predicted to be onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | - | - |
| Afternoon (19 May) | 2ft (0.6m) | 7s |
| Evening (19 May) | 2.5ft (0.8m) | 5s |
Table - waves today at Greenhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Wed night. Warm (max 27°C on Wed afternoon, min 12°C on Thu morning). Winds decreasing (fresh winds from the SW on Tue afternoon, light winds from the ENE by Thu afternoon). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 6 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | S 6 | |
31 | 30 | 36 | 48 | 81 | 90 | 93 | 128 | 190 | 284 | 277 | 210 | 204 | 180 | 149 | 154 | 196 | 145 | 117 | 93 | 73 | 56 | 41 | 29 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-off | cross-off | cross-off | off | off | off | cross-off | |
High Tide | 10:02PM1.52m | 10:28AM1.14m | 10:59PM1.45m | 11:28AM1.11m | 11:58PM1.36m | 12:32PM1.09m | ||||||||||||||||||
Low Tide | 3:31PM-0.01m | 4:31AM0.04m | 4:27PM0.04m | 5:28AM0.09m | 5:28PM0.11m | 6:28AM0.14m | ||||||||||||||||||
 | |  | | | |  | | | | | | | | | |  |  |  |  |  |  | | | |
 | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:22 | — | — | — |
 | — | 8:00 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 8:01 | — | — | — | — | — | 8:02 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 9 | 1 | — | — | — | — | — | |
Temp °C | 21 | 18 | 18 | 18 | 19 | 18 | 20 | 21 | 19 | 18 | 20 | 19 | 18 | 20 | 26 | 27 | 23 | 20 | 17 | 14 | 13 | 12 | 14 | 17 |
19 | 17 | 17 | 16 | 18 | 16 | 18 | 18 | 15 | 15 | 18 | 17 | 16 | 18 | 24 | 24 | 21 | 22 | 13 | 9 | 10 | 7 | 10 | 13 | |
Swell 1 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SE 8 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | SSW 6 | S 6 |
 kJ | 31 | 30 | 20 | 20 | 19 | 28 | 33 | 33 | 32 | 24 | 27 | 26 | 19 | 28 | 19 | 20 | 21 | 145 | 117 | 93 | 73 | 56 | 41 | 29 |
Swell 2 Height (m) Direction Period (s) | S 14 | — | S 13 | S 13 | S 13 | S 13 | S 13 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 |
| kJ | 4 | — | 4 | 3 | 3 | 3 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 21 | 21 | 21 | 13 | 13 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | S 18 | S 13 | — | — | — | S 16 | S 16 | S 13 | S 13 | — | — | — | — | — | SE 12 | — | — | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | — |
| kJ | 6 | 4 | — | — | — | 5 | 5 | 3 | 4 | — | — | — | — | — | 6 | — | — | 4 | 4 | 4 | 4 | 4 | 4 | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 6 | — | NW 3 | NW 2 | NW 3 | NNE 3 | NNE 3 | ENE 3 |
| kJ | 26 | 28 | 36 | 48 | 81 | 90 | 93 | 128 | 190 | 284 | 277 | 210 | 204 | 180 | 149 | 154 | 196 | — | 2 | 1 | 2 | 3 | 2 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 624 | 12 | 624 | 182 | 182 | 185 | 223 | 1112 | 185 | 12 | 173 | 173 | 176 | 223 | 227 | 12 | 204 | 0 | 11 | 13 | 0 | 0 | 6 | 624 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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