Surf Forecasts:
How big are the waves at Downhill today (27 Aug):
- Morning surf: Morning surf (27 Aug, local time) - 1.5ft (0.4m), 9s period with NW swell.
- Afternoon surf: Afternoon surf (27 Aug, local time) - 1.5ft (0.4m), 9s period with NW swell.
- Evening surf: Evening surf (27 Aug, local time) - 1ft (0.3m), 9s period with WNW swell.
The current surf forecast for Downhill at 7AM is: 0.4m 10s primary swell from a Northwest direction (forecast issued at 12:00am August 27). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Aug) | 1.5ft (0.4m) | 9s |
| Afternoon (27 Aug) | 1.5ft (0.4m) | 9s |
| Evening (27 Aug) | 1ft (0.3m) | 9s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Sat afternoon. Warm (max 20°C on Thu afternoon, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | ||||||||||||||||||||||
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) | WNW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | WNW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 3 | NNW 4 | NW 5 | NW 5 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 |
Wave Graph | ||||||||||||||||||||||||
19 | 24 | 23 | 22 | 21 | 20 | 16 | 15 | 7 | 7 | 6 | 6 | 2 | 10 | 22 | 28 | 28 | 22 | 20 | 15 | 15 | 17 | 17 | 17 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | glassy | cross-on | on | on | on | on | on | glassy | glassy | cross-off | cross | cross-on | cross-on | on | on |
High Tide | 6:38AM1.86m | 7:00PM2.19m | 7:07AM1.94m | 7:28PM2.27m | 7:36AM1.99m | 7:57PM2.31m | ||||||||||||||||||
Low Tide | 00:53AM0.31m | 12:47PM0.15m | 1:21AM0.21m | 1:15PM0.06m | 1:48AM0.14m | 1:43PM0.01m | ||||||||||||||||||
— | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | |
— | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:29 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 5 | 2 | — |
Temp °C | 16 | 15 | 14 | 16 | 18 | 20 | 19 | 17 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 14 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 15 | 14 | 13 | 15 | 16 | 18 | 19 | 16 | 16 | 17 | 16 | 14 | 14 | 13 | 14 | 12 | 13 | 13 | 14 | 13 | 13 | 12 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | WNW 9 | WNW 9 | WNW 8 | NE 4 | ENE 3 | NNW 4 | NW 8 | NW 7 | NW 8 | NW 5 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 7 |
19 | 24 | 23 | 22 | 21 | 20 | 16 | 15 | 7 | 3 | 1 | 2 | 2 | 2 | 2 | 28 | 28 | 22 | 20 | 15 | 15 | 17 | 17 | 17 | |
Swell 2 Height (m) Direction Period (s) | N 7 | NW 7 | — | N 6 | — | — | — | — | — | WNW 8 | NNW 4 | WNW 8 | — | NW 8 | W 7 | — | — | — | — | — | — | — | — | — |
1 | 2 | — | 1 | — | — | — | — | — | 7 | 1 | 6 | — | 2 | 1 | — | — | — | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | N 4 | WNW 8 | ENE 3 | NW 8 | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | 1 | 6 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | ENE 3 | ENE 3 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | ENE 4 | NE 4 | — | — | — | NW 3 | NNW 4 | NW 5 | — | — | — | — | — | — | — | — | — |
2 | 2 | 4 | 4 | 4 | 4 | 7 | 8 | 7 | — | — | — | 2 | 10 | 22 | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 37 | 37 | 37 | 37 | 37 | 64 | 37 | 105 | 288 | 336 | 307 | 324 | 276 | 276 | 39 | 39 | 37 | 37 | 87 | 254 | 331 | 254 | 254 | 313 |
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)













