Surf Forecasts:
How big are the waves at Downhill today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 1.5ft (0.4m), 7s period with NW swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 1.5ft (0.4m), 11s period with WNW swell.
- Evening surf: Evening surf (10 Sep, local time) - 1ft (0.3m), 12s period with WNW swell.
The current surf forecast for Downhill at 11AM is: 0.3m 8s primary swell from a West-northwest direction and 0.1m 7s secondary swell from a Northwest direction (forecast issued at 06:00am September 10). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 1.5ft (0.4m) | 7s |
| Afternoon (10 Sep) | 1.5ft (0.4m) | 11s |
| Evening (10 Sep) | 1ft (0.3m) | 12s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Fri night. Very mild (max 17°C on Thu afternoon, min 11°C on Sat night). Mainly fresh winds. | |||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||||||||||
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 7 | WNW 7 | WNW 8 | WNW 8 | WNW 11 | WNW 12 | WNW 12 | WNW 12 | WNW 6 | NW 6 | WNW 8 | NW 8 | NW 9 | NW 9 | NW 12 | NW 11 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 14 | 21 | 11 | 12 | 40 | 26 | 28 | 29 | 46 | 59 | 114 | 135 | 123 | 138 | 383 | 263 | 609 | 649 | 710 | 851 | 753 | 584 | 565 |
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 | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | on | cross-on |
High Tide | 6:25AM1.96m | 6:45PM2.43m | 7:01AM2.04m | 7:20PM2.47m | 7:34AM2.07m | 7:54PM2.42m | |||||||||||||||||
Low Tide | 12:27PM0.01m | 1:08AM-0.01m | 1:03PM-0.08m | 1:41AM-0.03m | 1:38PM-0.10m | ||||||||||||||||||
 |  |  | | |  |  |  | | | |  | | | |  | | | | | | | | |
 | 6:48 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:58 | — | — | — | — | — | — | — | 7:55 | — | — | — | — | — | — | — | 7:52 | — |
mm | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 1 | — | — | — | — | — |
Temp °C | 13 | 12 | 14 | 15 | 17 | 16 | 14 | 14 | 12 | 13 | 14 | 15 | 16 | 16 | 14 | 13 | 14 | 16 | 14 | 14 | 15 | 14 | 13 |
Feels °C | 10 | 6 | 9 | 12 | 14 | 12 | 10 | 9 | 7 | 8 | 10 | 12 | 14 | 13 | 10 | 7 | 8 | 12 | 7 | 10 | 11 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | NW 7 | WNW 7 | WNW 8 | ESE 4 | WNW 11 | WNW 12 | WNW 8 | WNW 12 | WNW 11 | NW 6 | WNW 8 | NW 8 | NW 9 | NW 9 | NW 12 | NW 11 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 |
| kJ | 14 | 21 | 11 | 6 | 40 | 26 | 21 | 27 | 22 | 59 | 114 | 135 | 123 | 138 | 383 | 263 | 609 | 649 | 710 | 851 | 753 | 584 | 565 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | NNW 7 | NW 7 | WNW 8 | ESE 7 | WNW 7 | WNW 12 | W 8 | — | WNW 10 | W 10 | — | NW 12 | NW 12 | — | NW 14 | — | SE 4 | — | — | — | — | — |
| kJ | 11 | 5 | 2 | 12 | 9 | 9 | 28 | 1 | — | 10 | 2 | — | 47 | 86 | — | 179 | — | 4 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | NNW 7 | W 12 | N 7 | NW 7 | N 6 | ESE 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 5 | 3 | 1 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SE 3 | SSE 3 | S 3 | SW 3 | WSW 3 | W 3 | WNW 6 | WNW 6 | — | — | — | — | — | — | SSE 3 | S 3 | SSW 3 | SW 3 | — | — | — | — |
| kJ | — | 2 | 7 | 1 | 2 | 2 | 5 | 29 | 46 | — | — | — | — | — | — | 2 | 5 | 2 | 2 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 53 | 119 | 80 | 184 | 391 | 415 | 302 | 369 | 184 | 159 | 159 | 13 | 0 | 0 | 4 | 385 | 385 | 385 | 237 | 184 | 182 | 24 | 13 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||||
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