Surf Forecasts:
How big are the waves at Downhill today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 4ft (1.2m), 8s period with NNW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 5.5ft (1.7m), 7s period with NNW swell.
- Evening surf: Evening surf (20 Aug, local time) - 5.5ft (1.7m), 7s period with NNW swell.
The current surf forecast for Downhill at 12PM is: 1.6m 7s primary swell from a North-northwest direction and 0.4m 9s secondary swell from a Northwest direction, 0.4m 10s secondary swell from a West-northwest direction (forecast issued at 06:00am August 20). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 4ft (1.2m) | 8s |
| Afternoon (20 Aug) | 5.5ft (1.7m) | 7s |
| Evening (20 Aug) | 5.5ft (1.7m) | 7s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu morning. Very mild (max 15°C on Sat morning, min 12°C on Thu night). Mainly fresh winds. | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | WNW 10 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | N 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 4 | NW 5 | NW 5 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 85 | 149 | 212 | 252 | 285 | 277 | 268 | 277 | 200 | 134 | 104 | 101 | 69 | 50 | 58 | 48 | 35 | 25 | 17 | 12 | 13 | 11 | 12 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on |
High Tide | 11:47AM1.48m | 00:21AM1.37m | 1:30PM1.38m | 2:44AM1.29m | 3:48PM1.45m | ||||||||||||||||||
Low Tide | 5:48AM0.75m | 6:23PM0.82m | 6:56AM0.87m | 8:10PM0.93m | 8:47AM0.90m | ||||||||||||||||||
 |  | |  |  | |  | |  | | | | | |  | | | |  | | | | | |
 | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:50 | — | — | — | — | — | — | — | 8:47 | — | — | — | — | — | — | — | 8:45 | — |
mm | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 13 | 14 | 14 | 13 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 12 | 15 | 15 | 15 | 15 | 14 |
Feels °C | 10 | 10 | 8 | 8 | 7 | 6 | 5 | 5 | 6 | 8 | 7 | 7 | 8 | 8 | 7 | 8 | 9 | 9 | 11 | 12 | 11 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | NNW 8 | NNW 8 | NW 9 | WNW 10 | WNW 9 | WNW 9 | — | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | W 8 | W 8 | — | W 7 | W 7 | W 8 | W 7 | W 7 | W 10 | NW 5 |
| kJ | 85 | 149 | 212 | 22 | 18 | 17 | 8 | — | 7 | 7 | 7 | 6 | 6 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 2 | 12 |
Swell 2 Height (m) Direction Period (s) | N 9 | WNW 10 | WNW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 7 | W 10 | — | W 10 |
| kJ | 2 | 56 | 38 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | NE 3 | — | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | N 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 4 | NW 5 | — |
| kJ | 10 | 2 | — | 252 | 285 | 277 | 268 | 277 | 200 | 134 | 104 | 101 | 69 | 50 | 58 | 48 | 35 | 25 | 17 | 12 | 13 | 11 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 68 | 262 | 345 | 440 | 1085 | 338 | 345 | 74 | 307 | 78 | 305 | 291 | 269 | 269 | 269 | 248 | 276 | 251 | 251 | 285 | 285 | 248 | 39 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Downhill surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest