Surf Forecasts:
How big are the waves at Downhill today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 4ft (1.2m), 6s period with NNW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 3.5ft (1.1m), 6s period with NNW swell.
- Evening surf: Evening surf (18 Jul, local time) - 3.5ft (1.1m), 6s period with NNW swell.
The current surf forecast for Downhill at 4PM is: 1.0m 6s primary swell from a North-northwest direction and 0.2m 8s secondary swell from a West-northwest direction (forecast issued at 12:00pm July 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 4ft (1.2m) | 6s |
| Afternoon (18 Jul) | 3.5ft (1.1m) | 6s |
| Evening (18 Jul) | 3.5ft (1.1m) | 6s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Sun afternoon, min 11°C on Sat night). Wind will be generally light. | |||||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | |||||||||||||||||||
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) | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 7 | NNW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 94 | 77 | 71 | 87 | 97 | 121 | 110 | 107 | 85 | 59 | 53 | 41 | 30 | 30 | 16 | 19 | 27 | 39 | 55 | 85 | 91 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 9:41AM1.81m | 10:12PM2.24m | 10:23AM1.70m | 10:55PM2.04m | 11:07AM1.59m | ||||||||||||||||
Low Tide | 3:47PM0.08m | 4:40AM0.29m | 4:30PM0.21m | 5:23AM0.43m | 5:16PM0.39m | ||||||||||||||||
 |  |  | |  | |  | | | | | | | | | | | | | |  | |
 | 5:11 | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — |
 | — | — | — | 9:54 | — | — | — | — | — | — | — | 9:52 | — | — | — | — | — | — | — | 9:52 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 12 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 |
Feels °C | 7 | 8 | 9 | 9 | 10 | 8 | 9 | 7 | 8 | 9 | 11 | 10 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | NW 8 | NW 8 | WNW 8 | NW 7 | — | NNW 6 | NNW 6 | NNW 6 | W 9 | NW 12 | NW 12 | WNW 12 | NW 12 | NW 11 | NW 11 | WNW 11 | WNW 11 | WNW 10 | WNW 11 | WNW 11 | WNW 10 |
| kJ | 10 | 9 | 6 | 13 | — | 121 | 110 | 107 | 2 | 6 | 5 | 14 | 5 | 5 | 5 | 12 | 11 | 11 | 11 | 11 | 10 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 14 | NW 13 | NW 13 | NW 12 | W 9 | W 9 | W 9 | W 8 | W 9 | W 8 | — | — | N 8 | — | — | — |
| kJ | — | — | — | — | — | 4 | 7 | 6 | 6 | 2 | 1 | 1 | 1 | 1 | 1 | — | — | 1 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | — | — | — | NNW 6 | NNW 6 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 7 | NNW 7 |
| kJ | 94 | 77 | 71 | 87 | 97 | — | — | — | 85 | 59 | 53 | 41 | 30 | 30 | 16 | 19 | 27 | 39 | 55 | 85 | 91 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 345 | 269 | 269 | 269 | 269 | 104 | 269 | 104 | 127 | 269 | 50 | 269 | 127 | 127 | 248 | 269 | 345 | 345 | 298 | 298 | 298 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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