Surf Forecasts:
How big are the waves at Downhill today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 3ft (0.9m), 10s period with WNW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 3ft (0.9m), 10s period with WNW swell.
- Evening surf: Evening surf (19 Aug, local time) - 2.5ft (0.8m), 10s period with WNW swell.
The current surf forecast for Downhill at 12AM is: 1.2m 11s primary swell from a West-northwest direction (forecast issued at 06:00pm August 18). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 3ft (0.9m) | 10s |
| Afternoon (19 Aug) | 3ft (0.9m) | 10s |
| Evening (19 Aug) | 2.5ft (0.8m) | 10s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Wed afternoon. Very mild (max 16°C on Tue afternoon, min 11°C on Thu night). Winds increasing (light winds from the SW on Wed afternoon, fresh winds from the N by Thu afternoon). | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||
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 9 | WNW 10 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NW 10 | WNW 10 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 121 | 225 | 365 | 323 | 305 | 234 | 171 | 168 | 151 | 122 | 122 | 85 | 98 | 56 | 207 | 158 | 254 | 247 | 232 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 10:43PM1.78m | 10:56AM1.61m | 11:22PM1.56m | 11:47AM1.48m | |||||||||||||||
Low Tide | 4:33PM0.40m | 5:04AM0.58m | 5:19PM0.62m | 5:48AM0.75m | 6:23PM0.82m | ||||||||||||||
 | |  |  | | |  | | |  |  |  | | | | |  | | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | 8:54 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:50 | — |
mm | — | — | — | — | — | — | 1 | 1 | 2 | 2 | 1 | — | — | 1 | 1 | 1 | — | — | — |
Temp °C | 16 | 15 | 14 | 14 | 12 | 13 | 13 | 14 | 14 | 15 | 13 | 13 | 14 | 13 | 13 | 14 | 14 | 13 | 13 |
Feels °C | 12 | 11 | 11 | 11 | 9 | 10 | 10 | 12 | 13 | 14 | 11 | 11 | 12 | 11 | 11 | 10 | 8 | 7 | 7 |
Swell 1 Height (m) Direction Period (s) | — | WNW 10 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NW 10 | NNW 6 | NNW 8 | NW 10 | WNW 9 | WNW 9 | WNW 9 |
| kJ | — | 225 | 365 | 323 | 305 | 234 | 171 | 168 | 151 | 122 | 122 | 85 | 98 | 42 | 207 | 24 | 17 | 17 | 16 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | N 9 | N 9 | WNW 10 | WNW 10 | WNW 10 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 56 | 38 | 38 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | N 9 | — | ENE 3 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 9 | — | — | — | — | — | — | SSW 2 | — | — | — | — | — | — | — | NNW 7 | NNW 7 | NNW 7 | NNW 7 |
| kJ | 121 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 158 | 254 | 247 | 232 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 385 | 184 | 13 | 6 | 13 | 13 | 4 | 0 | 4 | 6 | 37 | 72 | 68 | 68 | 68 | 414 | 338 | 345 | 307 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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