Surf Forecasts:
How big are the waves at Downhill today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 1ft (0.3m), 7s period with NW swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 0.5ft (0.2m), 9s period with W swell.
- Evening surf: Evening surf (17 Aug, local time) - 0.5ft (0.1m), 8s period with W swell.
The current surf forecast for Downhill at 12AM is: 0.4m 7s primary swell from a Northwest direction and 0.3m 9s secondary swell from a West-northwest direction (forecast issued at 06:00pm August 16). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 1ft (0.3m) | 7s |
| Afternoon (17 Aug) | 0.5ft (0.2m) | 9s |
| Evening (17 Aug) | 0.5ft (0.1m) | 8s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Mon afternoon. Very mild (max 17°C on Tue afternoon, min 12°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | |||||||||||||||||
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) | NW 7 | NW 7 | NW 7 | WNW 10 | WNW 10 | NW 7 | NW 7 | NW 7 | NW 6 | W 8 | W 8 | WNW 7 | WNW 6 | WNW 6 | WNW 8 | WNW 8 | NW 9 | WNW 11 | NW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 34 | 34 | 19 | 18 | 18 | 8 | 8 | 7 | 6 | 5 | 1 | 31 | 18 | 25 | 51 | 76 | 88 | 242 | 373 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 9:34PM2.22m | 9:44AM1.84m | 10:09PM2.01m | 10:18AM1.73m | |||||||||||||||
Low Tide | 3:16PM0.03m | 3:55AM0.25m | 3:54PM0.20m | 4:28AM0.41m | 4:33PM0.40m | ||||||||||||||
 |  |  |  | | | | | | | | | | | | | |  |  | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | 9:00 | — | — | — | — | — | — | — | 8:57 | — | — | — | — | — | — | — | 8:54 | — |
mm | — | 1 | 1 | — | — | — | — | 1 | 4 | 3 | 2 | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 15 | 16 | 15 | 15 | 14 | 15 | 16 | 17 | 16 | 14 |
Feels °C | 11 | 12 | 14 | 14 | 15 | 16 | 16 | 15 | 15 | 14 | 14 | 11 | 12 | 11 | 11 | 12 | 13 | 12 | 10 |
Swell 1 Height (m) Direction Period (s) | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NW 6 | N 7 | N 7 | — | — | WNW 8 | NW 9 | WNW 11 | NW 11 |
| kJ | 34 | 34 | 19 | 13 | 7 | 7 | 7 | 7 | 6 | 1 | 1 | 1 | 1 | — | — | 76 | 88 | 242 | 373 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | W 9 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | W 9 | W 8 | W 8 | W 8 | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 6 | 18 | 18 | 8 | 8 | 6 | 6 | 5 | 1 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | N 8 | N 8 | N 8 | N 8 | N 7 | N 7 | N 7 | N 7 | W 6 | — | — | — | — | — | — | — | — |
| kJ | — | — | 5 | 5 | 5 | 4 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | WNW 7 | WNW 6 | WNW 6 | WNW 8 | — | WSW 3 | WSW 2 | WSW 2 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 31 | 18 | 25 | 51 | — | 1 | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 37 | 37 | 37 | 37 | 37 | 39 | 39 | 37 | 37 | 37 | 336 | 340 | 391 | 386 | 184 | 399 | 1261 | 405 | 13 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
Header Global | |||||||||||||||||||
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