Surf Forecasts:
How big are the waves at Downhill today (31 Jul):
- Afternoon surf: Afternoon surf (31 Jul, local time) - 2ft (0.6m), 7s period with WNW swell.
- Evening surf: Evening surf (31 Jul, local time) - 2ft (0.6m), 7s period with WNW swell.
The current surf forecast for Downhill at 9PM is: 0.6m 7s primary swell from a West-northwest direction and 0.1m 6s secondary swell from a North direction, 0.6m 5s secondary swell from a West-northwest direction (forecast issued at 06:00pm July 31). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | - | - |
| Afternoon (31 Jul) | 2ft (0.6m) | 7s |
| Evening (31 Jul) | 2ft (0.6m) | 7s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sun afternoon. Very mild (max 17°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Fri 31 | Saturday 1 | Sunday 2 | |||||||||||||||||
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 7 | WNW 5 | WNW 7 | WNW 7 | WNW 7 | NW 6 | WNW 6 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 34 | 18 | 30 | 30 | 29 | 33 | 54 | 63 | 65 | 65 | 43 | 43 | 63 | 63 | 61 | 60 | 49 | 48 | 46 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-off | cross-off | off | cross-off | cross-off | cross-off | glassy |
High Tide | 8:27PM2.20m | 8:32AM1.88m | 8:58PM2.19m | 9:04AM1.86m | 9:29PM2.14m | ||||||||||||||
Low Tide | 2:12PM0.11m | 2:49AM0.27m | 2:41PM0.11m | 3:18AM0.27m | 3:10PM0.15m | ||||||||||||||
 |  |  | | |  | | | | |  |  | | | | | |  | | |
 | — | — | — | — | 5:33 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | 9:32 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:29 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 15 | 15 | 13 | 11 | 11 | 11 | 14 | 16 | 16 | 15 | 13 | 12 | 12 | 11 | 13 | 15 | 17 | 16 | 15 |
Feels °C | 10 | 11 | 10 | 8 | 8 | 8 | 10 | 11 | 11 | 12 | 11 | 11 | 11 | 10 | 12 | 14 | 16 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | NNW 6 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | NW 6 | N 7 | N 7 | N 7 | N 7 | NW 7 | NW 7 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 8 |
| kJ | 3 | 9 | 30 | 30 | 29 | 33 | 1 | 1 | 1 | 1 | 43 | 43 | 63 | 63 | 61 | 60 | 49 | 48 | 46 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 7 | N 6 | N 7 | N 7 | N 7 | — | — | — | — | N 9 | N 9 | N 9 | NNW 9 | N 9 | N 9 | N 9 | N 8 | N 8 |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | 2 | 6 | 6 | 8 | 6 | 6 | 6 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | — | N 6 | N 8 | N 6 | — | W 10 | — | — | — | — | N 7 | — | — | — | — | — | — | — | ENE 2 |
| kJ | — | 1 | 1 | 1 | — | 2 | — | — | — | — | 1 | — | — | — | — | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | WNW 7 | WNW 5 | — | — | — | — | WNW 6 | NW 7 | NW 7 | NW 7 | — | — | — | — | — | — | — | ENE 2 | — |
| kJ | 34 | 18 | — | — | — | — | 54 | 63 | 65 | 65 | — | — | — | — | — | — | — | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 39 | 39 | 50 | 576 | 415 | 874 | 184 | 169 | 182 | 159 | 389 | 406 | 406 | 184 | 24 | 17 | 4 | 4 | 0 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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