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 6PM is: 0.2m 6s primary swell from a West-northwest direction and 0.1m 8s secondary swell from a West direction (forecast issued at 12:00pm August 17). The wind direction is predicted to be cross-offshore.
| 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 ForecastModerate rain (total 18mm), heaviest on Mon afternoon. Very mild (max 16°C on Mon morning, min 13°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | |||||||||||||||||||
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) | NW 7 | NW 7 | NW 6 | WNW 6 | W 8 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 8 | WNW 9 | WNW 10 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 8 | 7 | 6 | 4 | 1 | 31 | 25 | 30 | 41 | 93 | 119 | 192 | 365 | 329 | 311 | 305 | 300 | 229 | 225 | 173 | 133 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross | cross | on | cross |
High Tide | 9:44AM1.84m | 10:09PM2.01m | 10:18AM1.73m | 10:43PM1.78m | 10:56AM1.61m | ||||||||||||||||
Low Tide | 3:54PM0.20m | 4:28AM0.41m | 4:33PM0.40m | 5:04AM0.58m | 5:19PM0.62m | ||||||||||||||||
 | | | |  |  | |  | | | | |  | | | |  | |  | |  | |
 | 6:03 | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | 8:57 | — | — | — | — | — | — | — | 8:54 | — | — | — | — | — | — | — | 8:52 | — |
mm | 1 | 1 | 1 | 5 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 2 | 2 | 1 |
Temp °C | 15 | 16 | 16 | 15 | 16 | 15 | 15 | 14 | 15 | 16 | 16 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 16 | 15 | 13 |
Feels °C | 15 | 15 | 15 | 13 | 14 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 9 | 9 | 9 | 10 | 11 | 14 | 14 | 11 |
Swell 1 Height (m) Direction Period (s) | NW 7 | NW 7 | NW 6 | WNW 6 | NW 6 | N 7 | N 7 | — | — | — | WNW 9 | WNW 10 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 7 | 7 | 6 | 4 | 1 | 1 | 1 | — | — | — | 119 | 192 | 365 | 329 | 311 | 305 | 300 | 229 | 225 | 173 | 133 |
Swell 2 Height (m) Direction Period (s) | WNW 9 | W 9 | W 8 | W 8 | W 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 6 | 6 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | N 7 | N 7 | N 7 | N 7 | N 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | WSW 2 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 8 | — | WSW 3 | WSW 2 | WSW 2 | SW 2 | SSW 2 | SSW 2 | WSW 2 | — | — | — |
| kJ | — | — | — | — | 1 | 31 | 25 | 30 | 41 | 93 | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 39 | 39 | 37 | 150 | 336 | 336 | 391 | 338 | 302 | 302 | 399 | 399 | 13 | 13 | 13 | 4 | 13 | 13 | 4 | 28 | 37 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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