Surf Forecasts:
How big are the waves at Downhill today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 2.5ft (0.8m), 4s period with NW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 3.5ft (1.0m), 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 6PM is: 0.8m 7s primary swell from a Northwest direction and 0.1m 10s secondary swell from a West direction (forecast issued at 12:00pm August 31). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 2.5ft (0.8m) | 4s |
| Afternoon (31 Aug) | 3.5ft (1.0m) | 6s |
| Evening (31 Aug) | 2.5ft (0.8m) | 6s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Tue afternoon. Very mild (max 18°C on Wed afternoon, min 12°C on Mon night). Winds decreasing (fresh winds from the WNW on Mon morning, calm by Tue night). | |||||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||
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) | NW 4 | NW 5 | NW 6 | NW 7 | NW 6 | NW 6 | NNW 6 | WNW 6 | WNW 8 | WNW 9 | WNW 9 | NW 8 | NW 8 | NW 8 | NW 8 | WNW 8 | WNW 8 | NW 6 | NNW 8 | NNW 8 | NNW 8 |
Wave Graph | |||||||||||||||||||||
32 | 52 | 74 | 61 | 38 | 31 | 15 | 13 | 36 | 86 | 96 | 72 | 69 | 67 | 51 | 25 | 26 | 13 | 34 | 38 | 37 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | on | glassy | off | off | off | off | cross-off | cross | cross-off |
High Tide | 8:39AM2.01m | 8:59PM2.23m | 9:12AM1.96m | 9:33PM2.10m | 9:49AM1.87m | ||||||||||||||||
Low Tide | 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 | — | — | — | — | — | — | — | — | — | 3 | 6 | 1 | — | — | — | — | — | 4 | — | — | — |
Temp °C | 14 | 15 | 15 | 15 | 14 | 13 | 12 | 14 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 15 | 18 | 18 |
Feels °C | 9 | 9 | 10 | 12 | 10 | 10 | 9 | 10 | 10 | 11 | 13 | 12 | 13 | 13 | 12 | 12 | 12 | 11 | 13 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | W 11 | W 10 | W 10 | NW 7 | NW 6 | NW 6 | NNW 6 | WNW 6 | WNW 8 | WNW 9 | WNW 9 | NW 8 | NW 8 | NW 8 | NW 8 | WNW 8 | WNW 8 | NW 6 | NNW 8 | NNW 8 | NNW 8 |
2 | 2 | 2 | 61 | 38 | 31 | 15 | 13 | 36 | 86 | 96 | 72 | 69 | 67 | 51 | 25 | 26 | 9 | 34 | 38 | 37 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 10 | W 10 | W 9 | WNW 7 | NNW 6 | NNW 6 | N 6 | — | — | — | — | — | NNW 6 | NW 6 | WNW 8 | WNW 8 | WNW 8 | WNW 7 |
— | — | — | 2 | 8 | 7 | 9 | 7 | 3 | 1 | — | — | — | — | — | 13 | 8 | 13 | 12 | 6 | 5 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 9 | W 9 | — | — | — | — | — | — | — | — | — | NNW 8 | — | ESE 3 | — |
— | — | — | — | — | — | 6 | 2 | — | — | — | — | — | — | — | — | — | 7 | — | 1 | — | |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 5 | NW 6 | — | — | SW 2 | SW 2 | SW 3 | SW 3 | WSW 3 | WSW 3 | — | — | — | — | — | — | — | ESE 2 | — | — |
32 | 52 | 74 | — | — | 1 | 1 | 2 | 3 | 5 | 3 | — | — | — | — | — | — | — | 1 | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 407 | 379 | 184 | 4 | 39 | 39 | 184 | 184 | 184 | 528 | 184 | 13 | 80 | 0 | 11 | 20 | 37 | 75 | 41 | 39 | 39 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












