Surf Forecasts:
How big are the waves at Downhill today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 4.5ft (1.3m), 6s period with NNW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 4ft (1.2m), 6s period with NNW swell.
- Evening surf: Evening surf (21 Aug, local time) - 3.5ft (1.1m), 6s period with NNW swell.
The current surf forecast for Downhill at 1AM is: 1.6m 7s primary swell from a North-northwest direction and 0.3m 9s secondary swell from a West-northwest direction (forecast issued at 06:00pm August 20). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 4.5ft (1.3m) | 6s |
| Afternoon (21 Aug) | 4ft (1.2m) | 6s |
| Evening (21 Aug) | 3.5ft (1.1m) | 6s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu night. Very mild (max 15°C on Sat morning, min 12°C on Thu night). Winds decreasing (fresh winds from the N on Thu afternoon, light winds from the NNW by Sun morning). | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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) | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 4 | NW 4 |
Wave Graph  | |||||||||||||||||||
 kJ | 255 | 212 | 206 | 206 | 165 | 134 | 150 | 130 | 108 | 83 | 74 | 62 | 45 | 33 | 23 | 13 | 12 | 7 | 5 |
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 | on | cross-on | on | on | on | cross-on |
High Tide | 00:21AM1.37m | 1:30PM1.38m | 2:44AM1.29m | 3:48PM1.45m | |||||||||||||||
Low Tide | 6:23PM0.82m | 6:56AM0.87m | 8:10PM0.93m | 8:47AM0.90m | |||||||||||||||
 | |  | |  |  | | | |  |  | | |  | | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | 8:50 | — | — | — | — | — | — | — | 8:47 | — | — | — | — | — | — | — | 8:45 | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 12 | 13 | 13 | 12 | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 13 |
Feels °C | 6 | 7 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 11 | 11 | 11 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | — | WNW 8 | W 8 | W 8 | — | — | W 7 | W 7 | W 7 | W 7 | W 10 | NW 4 |
| kJ | 17 | 17 | 16 | 15 | 7 | 7 | 6 | — | 6 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 2 | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | — | W 10 | W 7 | NW 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 2 | 1 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 10 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 4 | — |
| kJ | 255 | 212 | 206 | 206 | 165 | 134 | 150 | 130 | 108 | 83 | 74 | 62 | 45 | 33 | 23 | 13 | 12 | 7 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1085 | 338 | 269 | 285 | 287 | 269 | 410 | 410 | 269 | 269 | 269 | 249 | 273 | 285 | 191 | 285 | 285 | 248 | 191 |
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