Surf Forecasts:
How big are the waves at Greenhill today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 4.5ft (1.3m), 6s period with S swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 6.5ft (2.0m), 6s period with S swell.
- Evening surf: Evening surf (18 Jun, local time) - 8ft (2.4m), 7s period with SSW swell.
The current surf forecast for Greenhill at 11AM is: 1.6m 6s primary swell from a South direction and 0.1m 14s secondary swell from a Southeast direction, 0.1m 8s secondary swell from a East direction (forecast issued at 07:00am June 18). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 4.5ft (1.3m) | 6s |
| Afternoon (18 Jun) | 6.5ft (2.0m) | 6s |
| Evening (18 Jun) | 8ft (2.4m) | 7s |
Table - waves today at Greenhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Thu night, min 15°C on Sat night). Winds decreasing (fresh winds from the S on Thu afternoon, light winds from the W by Fri night). | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 7 | S 7 | S 6 | S 6 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | SW 7 | SW 7 | SSW 7 | SSW 6 | SSW 7 | SSW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 74 | 124 | 181 | 332 | 517 | 621 | 691 | 449 | 300 | 228 | 199 | 310 | 487 | 480 | 444 | 250 | 212 | 198 | 160 | 122 | 138 | 181 | 125 | 114 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross | cross-off | cross-off | cross |
High Tide | 11:15AM1.18m | 11:42PM1.35m | 12:14PM1.17m | 00:38AM1.25m | 1:13PM1.17m | 1:33AM1.15m | ||||||||||||||||||
Low Tide | 5:12AM0.07m | 5:19PM0.09m | 6:05AM0.10m | 6:20PM0.15m | 6:58AM0.14m | 7:23PM0.22m | ||||||||||||||||||
 |  | |  |  | |  | |  | | | | | | | | | | | | | | | | |
 | 5:11 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | 5:13 |
 | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:22 | — | 8:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 19 | 20 | 21 | 23 | 21 | 24 | 22 | 19 | 19 | 21 | 23 | 24 | 21 | 20 | 19 | 17 | 18 | 21 | 23 | 23 | 22 | 18 | 16 |
Feels °C | 16 | 17 | 17 | 16 | 19 | 19 | 21 | 19 | 15 | 15 | 17 | 17 | 20 | 18 | 18 | 15 | 12 | 13 | 16 | 18 | 20 | 19 | 16 | 13 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 15 | SE 14 | SE 14 | SE 14 | SE 14 | SE 14 | SSW 8 | SSW 8 | SSW 7 | S 13 | S 13 | SE 13 | SE 13 | SSW 8 | SSW 8 | SSW 8 | SE 13 | SW 7 | SE 13 | SE 13 | SSW 7 | SSW 7 | SSW 7 |
| kJ | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 449 | 300 | 228 | 4 | 4 | 7 | 7 | 322 | 250 | 212 | 7 | 160 | 7 | 6 | 124 | 125 | 114 |
Swell 2 Height (m) Direction Period (s) | E 6 | SE 15 | E 8 | E 8 | E 8 | E 8 | — | SE 14 | SE 14 | S 14 | SE 13 | SE 13 | — | — | SE 13 | SE 13 | SE 13 | SE 13 | SE 13 | — | — | SE 12 | SE 12 | SE 12 |
| kJ | 1 | 8 | 1 | 1 | 1 | 1 | — | 8 | 8 | 4 | 7 | 7 | — | — | 7 | 7 | 7 | 7 | 7 | — | — | 6 | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 7 | S 7 | S 6 | S 6 | SSW 7 | SSW 7 | SSW 8 | — | SW 7 | WNW 4 | SSW 7 | SSW 8 | SSW 8 | SSW 8 | SSW 8 | — | W 4 | SSW 8 | NNW 3 | SW 7 | SSW 7 | SSW 6 | NW 3 | NW 3 |
| kJ | 74 | 124 | 181 | 332 | 517 | 621 | 691 | — | 156 | 16 | 199 | 310 | 487 | 480 | 444 | — | 9 | 198 | 1 | 122 | 138 | 181 | 2 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 632 | 12 | 3387 | 1559 | 437 | 115 | 115 | 11 | 11 | 11 | 11 | 150 | 227 | 11 | 7 | 11 | 15 | 238 | 11 | 230 | 11 | 11 | 0 | 11 |
Best forecast wave conditions in Rhode Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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