Surf Forecasts:
How big are the waves at Downhill today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 3ft (0.9m), 4s period with NW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 3.5ft (1.1m), 6s period with NW swell.
- Evening surf: Evening surf (31 Aug, local time) - 2.5ft (0.8m), 6s period with NW swell.
The current surf forecast for Downhill at 5AM is: 0.2m 6s primary swell from a North-northwest direction and 0.1m 9s secondary swell from a West direction, 0.4m 3s secondary swell from a Northwest direction (forecast issued at 12:00am August 31). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 3ft (0.9m) | 4s |
| Afternoon (31 Aug) | 3.5ft (1.1m) | 6s |
| Evening (31 Aug) | 2.5ft (0.8m) | 6s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Tue afternoon. Very mild (max 18°C on Wed afternoon, min 13°C on Mon night). Winds decreasing (fresh winds from the WNW on Mon morning, light winds from the WSW by Tue night). | ||||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | ||||||||||||||||||||||
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) | W 9 | NNW 6 | NW 4 | NW 5 | NW 6 | NW 7 | NW 7 | NW 6 | NW 6 | NNW 6 | WNW 6 | WNW 7 | WNW 8 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 6 | NW 8 | NNW 8 | NNW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 6 | 4 | 6 | 41 | 80 | 102 | 63 | 40 | 38 | 15 | 8 | 18 | 37 | 94 | 111 | 86 | 58 | 44 | 44 | 26 | 13 | 15 | 23 | 19 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-off | cross-off | off | off | off | cross-off | cross-off | cross |
High Tide | 8:39AM2.01m | 8:59PM2.23m | 9:12AM1.96m | 9:33PM2.10m | 9:49AM1.87m | |||||||||||||||||||
Low Tide | 2:44AM0.12m | 2:42PM0.07m | 3:14AM0.19m | 3:16PM0.17m | 3:47AM0.30m | 3:54PM0.32m | ||||||||||||||||||
 | |  |  | | | |  |  | |  | | |  | | | | | | | | | |  | |
 | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:23 | — | — | — | — | — | — | — | 8:21 | — | — | — | — | — | — | — | 8:19 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | — | — | — | — | 1 | 2 | — | — | 1 |
Temp °C | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 15 | 16 | 15 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 16 | 18 | 17 |
Feels °C | 12 | 12 | 10 | 8 | 10 | 10 | 12 | 10 | 9 | 10 | 9 | 10 | 12 | 11 | 12 | 14 | 13 | 13 | 11 | 12 | 11 | 15 | 17 | 14 |
Swell 1 Height (m) Direction Period (s) | NNW 6 | NNW 6 | W 9 | — | — | W 10 | NW 7 | NW 6 | NW 6 | NNW 6 | WNW 6 | WNW 7 | WNW 8 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | NNW 8 | NNW 8 |
| kJ | 3 | 4 | 2 | — | — | 2 | 63 | 40 | 38 | 15 | 8 | 18 | 37 | 94 | 111 | 86 | 58 | 44 | 44 | 26 | 13 | 15 | 23 | 19 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 9 | N 6 | — | — | — | W 10 | W 10 | W 9 | WNW 6 | NNW 6 | NNW 6 | NNW 6 | N 6 | N 6 | — | — | — | — | NNW 6 | NW 6 | WNW 8 | WNW 8 | WNW 7 |
| kJ | 6 | 2 | 1 | — | — | — | 2 | 8 | 2 | 8 | 8 | 4 | 4 | 1 | 1 | — | — | — | — | 6 | 8 | 12 | 11 | 11 |
Swell 3 Height (m) Direction Period (s) | — | W 11 | W 11 | — | — | — | — | — | — | W 9 | W 9 | — | — | — | — | — | — | — | — | NW 6 | NW 8 | — | — | — |
| kJ | — | 2 | 2 | — | — | — | — | — | — | 6 | 2 | — | — | — | — | — | — | — | — | 2 | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NW 3 | NW 4 | NW 5 | NW 6 | NW 7 | — | — | SW 2 | SW 3 | SW 3 | SW 3 | W 3 | W 3 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | 6 | 41 | 80 | 102 | — | — | 2 | 2 | 2 | 3 | 4 | 3 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 39 | 302 | 369 | 407 | 385 | 184 | 17 | 184 | 39 | 118 | 152 | 184 | 184 | 13 | 39 | 4 | 11 | 17 | 20 | 37 | 37 | 41 | 41 | 184 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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