
Surf Forecasts:
How big are the waves at Downhill today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 4.5ft (1.4m), 13s period with NW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 5ft (1.6m), 13s period with NW swell.
- Evening surf: Evening surf (12 Sep, local time) - 5ft (1.6m), 12s period with NW swell.
The current surf forecast for Downhill at 2PM is: 1.7m 13s primary swell from a Northwest direction (forecast issued at 06:00am September 12). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 4.5ft (1.4m) | 13s |
| Afternoon (12 Sep) | 5ft (1.6m) | 13s |
| Evening (12 Sep) | 5ft (1.6m) | 12s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sat morning. Very mild (max 19°C on Mon afternoon, min 12°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||||||||
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) | NW 13 | NW 13 | NW 12 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | WNW 11 | WNW 9 |
Wave Graph | |||||||||||||||||||||||
545 | 581 | 666 | 851 | 865 | 741 | 624 | 546 | 427 | 298 | 293 | 220 | 192 | 136 | 113 | 87 | 65 | 39 | 38 | 36 | 18 | 65 | 50 | |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-on | on | on | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | glassy | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on |
High Tide | 7:34AM2.07m | 7:54PM2.42m | 8:06AM2.08m | 8:26PM2.30m | 8:37AM2.04m | 8:56PM2.13m | |||||||||||||||||
Low Tide | 1:38PM-0.10m | 2:12AM0.01m | 2:12PM-0.04m | 2:41AM0.11m | 2:46PM0.08m | ||||||||||||||||||
6:52 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | |
— | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:51 | — | — | — | — | — | — | — | 7:47 | — | |
mm | 4 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 17 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 12 | 12 | 15 | 17 | 18 | 17 | 15 | 15 | 15 | 16 | 18 | 19 | 18 | 16 |
Feels °C | 8 | 14 | 14 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 14 | 17 | 16 | 15 | 13 | 13 | 13 | 14 | 15 | 17 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 12 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | WNW 11 | WNW 9 |
545 | 581 | 666 | 851 | 865 | 741 | 624 | 546 | 427 | 298 | 293 | 220 | 192 | 136 | 113 | 87 | 65 | 39 | 38 | 36 | 18 | 65 | 50 | |
Swell 2 Height (m) Direction Period (s) | — | SE 3 | — | — | — | — | — | — | — | — | — | — | N 16 | N 15 | N 15 | N 14 | N 14 | N 14 | N 13 | N 13 | N 13 | N 12 | N 12 |
— | 2 | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 4 | 15 | 15 | 32 | 31 | 30 | 13 | 27 | 11 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 3 | — | — | — | WNW 11 | — | WNW 12 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 12 | — | 13 | |
Wind waves Height (m) Direction Period (s) | SSE 3 | SSW 2 | SW 3 | — | — | — | — | — | — | — | — | — | — | — | — | ESE 2 | — | — | — | SSE 2 | SSE 3 | — | — |
2 | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 1 | 1 | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 385 | 13 | 13 | 385 | 184 | 24 | 13 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 4 | 4 | 24 | 13 | 49 |
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)












