Surf Forecasts:
How big are the waves at Downhill today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 3.5ft (1.0m), 6s period with NNW swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 3.5ft (1.1m), 6s period with NNW swell.
- Evening surf: Evening surf (21 Jul, local time) - 3.5ft (1.1m), 6s period with NNW swell.
The current surf forecast for Downhill at 9PM is: 1.1m 6s primary swell from a North-northwest direction and 0.2m 9s secondary swell from a West-northwest direction (forecast issued at 12:00pm July 21). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 3.5ft (1.0m) | 6s |
| Afternoon (21 Jul) | 3.5ft (1.1m) | 6s |
| Evening (21 Jul) | 3.5ft (1.1m) | 6s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Thu morning, min 11°C on Tue morning). Wind will be generally light. | |||||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||
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 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 7 | NW 6 | NW 6 | NW 6 | NW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 79 | 77 | 74 | 74 | 77 | 77 | 71 | 85 | 77 | 79 | 62 | 61 | 53 | 41 | 30 | 29 | 21 | 21 | 19 | 19 | 25 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on |
High Tide | 11:59AM1.50m | 00:35AM1.63m | 1:08PM1.43m | 1:48AM1.49m | 2:41PM1.43m | ||||||||||||||||
Low Tide | 6:10PM0.57m | 7:02AM0.69m | 7:18PM0.73m | 8:07AM0.77m | 8:46PM0.81m | ||||||||||||||||
 | | |  |  | | | | | | | | | | |  | | | | |  | |
 | 5:15 | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | 9:50 | — | — | — | — | — | — | — | 9:49 | — | — | — | — | — | — | — | 9:46 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 11 | 12 | 12 | 12 | 11 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 16 | 16 | 15 | 13 |
Feels °C | 6 | 7 | 7 | 7 | 6 | 8 | 8 | 9 | 10 | 11 | 11 | 11 | 12 | 11 | 11 | 12 | 12 | 14 | 13 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | W 9 | NW 9 | W 9 | W 9 | W 9 | W 9 | W 9 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NW 7 | NW 6 | W 8 | NW 8 | NW 6 |
| kJ | 9 | 9 | 9 | 9 | 8 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 53 | 41 | 30 | 29 | 21 | 21 | 1 | 3 | 25 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | W 9 | W 9 | W 9 | W 8 | W 9 | — | — | W 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 | 2 | 1 | 1 | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
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 7 | — | — | — | — | — | — | NW 6 | NW 6 | — |
| kJ | 79 | 77 | 74 | 74 | 77 | 77 | 71 | 85 | 77 | 79 | 62 | 61 | — | — | — | — | — | — | 19 | 19 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 402 | 1261 | 1261 | 1261 | 288 | 288 | 288 | 288 | 50 | 127 | 1295 | 50 | 50 | 39 | 39 | 39 | 39 | 39 | 407 | 444 | 24 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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