Surf Forecasts:
How big are the waves at Downhill today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 4ft (1.2m), 13s period with NW swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 4.5ft (1.3m), 12s period with NW swell.
- Evening surf: Evening surf (23 Sep, local time) - 3.5ft (1.1m), 11s period with NW swell.
The current surf forecast for Downhill at 5PM is: 1.2m 12s primary swell from a Northwest direction (forecast issued at 12:00pm September 23). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 4ft (1.2m) | 13s |
| Afternoon (23 Sep) | 4.5ft (1.3m) | 12s |
| Evening (23 Sep) | 3.5ft (1.1m) | 11s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu night. Very mild (max 17°C on Thu afternoon, min 10°C on Wed night). Winds increasing (light winds from the WNW on Wed afternoon, fresh winds from the S by Thu morning). | |||||||||||||||||||||
Wed 23 | Thursday 24 | Friday 25 | |||||||||||||||||||
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 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | WNW 13 | NW 18 | NW 17 | NW 17 | NW 16 | NW 16 | NW 15 | NW 14 | NW 14 | NW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 501 | 543 | 471 | 403 | 278 | 263 | 258 | 191 | 122 | 104 | 127 | 290 | 1227 | 2531 | 2652 | 2201 | 1958 | 1708 | 1407 | 1133 | 991 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off |
High Tide | 5:30PM1.93m | 5:40AM1.74m | 5:58PM2.09m | 6:09AM1.88m | 6:25PM2.22m | ||||||||||||||||
Low Tide | 11:14AM0.44m | 11:52PM0.39m | 11:44AM0.28m | 00:19AM0.24m | 12:13PM0.14m | ||||||||||||||||
 |  | | |  | | |  |  | | | |  | | | | | | | | | |
 | 7:13 | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — |
 | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:19 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 11 | 12 | 15 | 17 | 17 | 12 | 13 | 13 | 12 | 12 | 14 | 15 | 13 | 12 |
Feels °C | 8 | 8 | 9 | 11 | 10 | 7 | 5 | 6 | 6 | 9 | 12 | 13 | 8 | 10 | 10 | 8 | 8 | 10 | 11 | 9 | 7 |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | WNW 13 | NW 18 | NW 17 | NW 17 | NW 16 | NW 16 | NW 15 | NW 14 | NW 14 | NW 13 |
| kJ | 501 | 543 | 471 | 403 | 278 | 263 | 258 | 191 | 122 | 104 | 127 | 290 | 1227 | 2531 | 2652 | 2201 | 1958 | 1708 | 1407 | 1133 | 991 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | NW 13 | NW 13 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 27 | 57 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 3 | SE 3 | SE 4 | SSE 4 | SSE 4 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 2 | 7 | 15 | 10 | 5 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 184 | 184 | 143 | 13 | 0 | 0 | 0 | 4 | 380 | 382 | 184 | 4 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 4 | 4 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||||
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