Surf Forecasts:
How big are the waves at Downhill today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 4ft (1.2m), 13s period with NW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 3.5ft (1.1m), 13s period with NW swell.
- Evening surf: Evening surf (20 Oct, local time) - 3.5ft (1.1m), 13s period with NW swell.
The current surf forecast for Downhill at 12PM is: 1.1m 13s primary swell from a Northwest direction (forecast issued at 06:00am October 20). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 4ft (1.2m) | 13s |
| Afternoon (20 Oct) | 3.5ft (1.1m) | 13s |
| Evening (20 Oct) | 3.5ft (1.1m) | 13s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 23mm), heaviest during Thu night. Very mild (max 12°C on Tue morning, min 7°C on Wed night). Mainly strong winds. | |||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 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) | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 11 | NW 10 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | WNW 11 | WNW 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 656 | 511 | 503 | 386 | 380 | 392 | 386 | 374 | 494 | 666 | 1576 | 1271 | 1834 | 1417 | 1053 | 878 | 721 | 459 | 367 | 273 | 268 | 219 | 211 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | glassy | glassy | on | on | on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off |
High Tide | 3:29PM1.56m | 3:51AM1.37m | 4:11PM1.72m | 4:30AM1.53m | 4:44PM1.89m | ||||||||||||||||||
Low Tide | 8:41AM0.79m | 9:59PM0.74m | 9:43AM0.65m | 10:37PM0.56m | 10:26AM0.50m | ||||||||||||||||||
 |  |  |  | | |  | | |  |  | | | | | | | |  | | | | | |
 | — | 8:04 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:08 | — | — | — | — | — |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:12 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 8 | 9 | 10 | 12 | 12 | 10 | 9 | 9 | 9 | 9 | 10 | 8 | 10 | 9 | 8 | 7 | 7 | 7 | 8 | 11 | 11 | 9 | 9 |
Feels °C | 3 | 4 | 4 | 7 | 7 | 6 | 6 | 6 | 7 | 8 | 6 | -2 | 2 | 2 | 3 | 3 | 3 | 3 | 5 | 7 | 7 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | — | — | — | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | WNW 11 | WNW 11 |
| kJ | 656 | 511 | 503 | 386 | 380 | 392 | 386 | 374 | 494 | 666 | — | — | — | 1417 | 1053 | 878 | 721 | 459 | 367 | 273 | 268 | 219 | 211 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 8 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 44 | 32 | 22 | 10 | 9 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 3 | SE 3 | SE 4 | SE 4 | ESE 3 | — | — | — | — | NW 11 | NW 10 | NW 13 | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 5 | 9 | 8 | 6 | 4 | — | — | — | — | 1576 | 1271 | 1834 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | 285 | 276 | 159 | 6 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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