Surf Forecasts:
How big are the waves at Downhill today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 1ft (0.3m), 8s period with NNW swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 1ft (0.3m), 7s period with NW swell.
- Evening surf: Evening surf (11 Aug, local time) - 0.5ft (0.2m), 7s period with WNW swell.
The current surf forecast for Downhill at 7AM is: 0.3m 9s primary swell from a North-northwest direction and 0.4m 7s secondary swell from a Northwest direction (forecast issued at 12:00am August 11). The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 1ft (0.3m) | 8s |
| Afternoon (11 Aug) | 1ft (0.3m) | 7s |
| Evening (11 Aug) | 0.5ft (0.2m) | 7s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Thu morning. Warm (max 24°C on Wed afternoon, min 13°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||||||||
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 | 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 9 | NNW 8 | NW 7 | NNW 8 | NW 7 | NW 7 | WNW 7 | W 13 | W 12 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | W 10 | W 10 | W 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 26 | 24 | 15 | 13 | 8 | 8 | 5 | 3 | 11 | 10 | 9 | 2 | 2 | 2 | 2 | 3 | 14 | 12 | 23 | 22 | 11 | 8 | 8 | 8 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on |
High Tide | 5:56AM1.88m | 6:19PM2.24m | 6:40AM1.97m | 7:03PM2.41m | 7:21AM2.02m | 7:44PM2.49m | ||||||||||||||||||
Low Tide | 11:56PM0.29m | 12:02PM0.22m | 00:45AM0.12m | 12:45PM0.05m | 1:28AM0.02m | 1:24PM-0.06m | ||||||||||||||||||
 | |  | |  | | |  | | | | | | |  | | | | | |  | |  |  | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:10 | — | — | — | — | — | — | — | 9:08 | — | — | — | — | — | — | — | 9:06 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | 3 | 2 | 1 | 3 |
Temp °C | 13 | 13 | 13 | 15 | 18 | 20 | 20 | 19 | 18 | 17 | 16 | 18 | 22 | 24 | 23 | 21 | 20 | 19 | 19 | 20 | 20 | 19 | 21 | 18 |
Feels °C | 11 | 10 | 10 | 12 | 14 | 17 | 18 | 16 | 15 | 14 | 13 | 16 | 21 | 23 | 23 | 22 | 21 | 19 | 19 | 20 | 20 | 19 | 21 | 18 |
Swell 1 Height (m) Direction Period (s) | NNW 9 | NNW 8 | NNW 9 | NW 7 | NW 7 | NW 7 | WNW 7 | NW 7 | E 4 | W 11 | W 11 | W 11 | W 11 | W 10 | — | — | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 10 | W 10 | W 10 | W 10 |
| kJ | 26 | 24 | 15 | 8 | 8 | 8 | 5 | 2 | 1 | 10 | 9 | 2 | 2 | 2 | — | — | 14 | 12 | 23 | 22 | 11 | 8 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | NW 8 | NW 7 | NW 7 | NNW 8 | NNW 8 | NNW 8 | NNW 7 | N 8 | NW 7 | NW 7 | NW 6 | NW 6 | — | — | W 10 | W 12 | — | — | — | — | — | — | — | — |
| kJ | 14 | 14 | 14 | 13 | 6 | 6 | 5 | 1 | 2 | 2 | 2 | 2 | — | — | 2 | 3 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 10 | W 10 | — | W 10 | W 9 | W 9 | W 13 | W 13 | W 12 | — | N 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 2 | — | 2 | 2 | 2 | 3 | 3 | 11 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ESE 2 | ESE 3 | ESE 3 | ESE 3 | — | — | SE 3 | SE 2 | — | SSE 2 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 1 | 2 | 2 | 1 | — | — | 2 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 17 | 37 | 37 | 53 | 53 | 75 | 37 | 37 | 37 | 37 | 37 | 37 | 53 | 39 | 39 | 37 | 37 | 37 | 37 | 37 | 39 | 39 | 39 | 39 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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