Surf Forecasts:
How big are the waves at Downhill today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 3.5ft (1.1m), 11s period with NW swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 3.5ft (1.0m), 10s period with NW swell.
- Evening surf: Evening surf (13 Sep, local time) - 2.5ft (0.8m), 10s period with NW swell.
The current surf forecast for Downhill at 7PM is: 0.8m 10s primary swell from a Northwest direction (forecast issued at 12:00pm September 13). The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 3.5ft (1.1m) | 11s |
| Afternoon (13 Sep) | 3.5ft (1.0m) | 10s |
| Evening (13 Sep) | 2.5ft (0.8m) | 10s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Mon afternoon. Very mild (max 18°C on Mon morning, min 12°C on Sun morning). Winds increasing (calm on Sun morning, fresh winds from the WNW by Tue night). | |||||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||
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 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | WNW 11 | WNW 10 | WNW 10 | NW 11 | WNW 11 | WNW 10 | WNW 6 | NW 6 | NW 6 | NW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 293 | 220 | 192 | 136 | 113 | 87 | 65 | 50 | 38 | 35 | 18 | 65 | 59 | 56 | 30 | 44 | 40 | 107 | 85 | 135 | 198 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | on | on |
High Tide | 8:06AM2.08m | 8:26PM2.30m | 8:37AM2.04m | 8:56PM2.13m | 9:07AM1.96m | 9:26PM1.93m | |||||||||||||||
Low Tide | 2:12PM-0.04m | 2:41AM0.11m | 2:46PM0.08m | 3:10AM0.25m | 3:20PM0.25m | ||||||||||||||||
 |  | | |  |  | | | | |  | | |  |  | | | | | | | |
 | 6:54 | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | 7:51 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:45 | — |
mm | — | — | — | — | — | — | — | — | — | — | 2 | 3 | — | 1 | — | — | — | 1 | — | 1 | — |
Temp °C | 12 | 15 | 17 | 17 | 16 | 15 | 14 | 15 | 16 | 18 | 17 | 17 | 16 | 16 | 14 | 13 | 14 | 14 | 14 | 13 | 12 |
Feels °C | 11 | 15 | 16 | 15 | 14 | 13 | 12 | 13 | 14 | 16 | 15 | 15 | 13 | 12 | 10 | 9 | 10 | 9 | 8 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | WNW 11 | WNW 10 | WNW 10 | WNW 9 | WNW 11 | WNW 10 | N 9 | WNW 10 | N 9 | W 13 |
| kJ | 293 | 220 | 192 | 136 | 113 | 87 | 65 | 50 | 38 | 35 | 18 | 65 | 59 | 56 | 16 | 44 | 40 | 7 | 38 | 1 | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | N 16 | — | N 14 | N 14 | N 13 | N 13 | N 13 | N 13 | WNW 11 | N 12 | N 12 | N 12 | WNW 5 | NW 5 | N 10 | — | N 9 | — | — |
| kJ | — | — | 5 | — | 4 | 14 | 14 | 32 | 14 | 13 | 12 | 12 | 11 | 11 | 5 | 7 | 8 | — | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | N 10 | N 9 | N 13 | N 9 | SE 4 | — | NW 11 | N 10 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 2 | 2 | 13 | 2 | 1 | — | 30 | 8 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSE 2 | SSE 2 | SSE 2 | SSE 2 | — | S 3 | WNW 3 | SW 2 | WNW 6 | WNW 6 | NW 6 | NW 6 | NW 7 |
| kJ | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | 1 | 3 | 1 | 24 | 107 | 85 | 135 | 198 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 11 | 17 | 13 | 11 | 50 | 39 | 39 | 399 | 379 | 772 | 772 | 414 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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