Surf Forecasts:
How big are the waves at Downhill today (28 Sep):
- Afternoon surf: Afternoon surf (28 Sep, local time) - 3ft (0.9m), 11s period with WNW swell.
- Evening surf: Evening surf (28 Sep, local time) - 3ft (0.9m), 11s period with NW swell.
The current surf forecast for Downhill at 11PM is: 0.8m 10s primary swell from a West-northwest direction (forecast issued at 06:00pm September 28). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | - | - |
| Afternoon (28 Sep) | 3ft (0.9m) | 11s |
| Evening (28 Sep) | 3ft (0.9m) | 11s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Tue night. Very mild (max 19°C on Tue night, min 9°C on Wed night). Winds increasing (light winds from the SE on Mon afternoon, near gales from the SSE by Tue night). | |||||||||||||||||||
Mon 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||
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 11 | NW 11 | NW 11 | WNW 10 | NW 11 | NW 11 | WNW 11 | WNW 11 | NW 10 | WNW 10 | WNW 10 | NW 10 | N 10 | W 14 | W 14 | W 13 | W 13 | WNW 15 | WNW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 204 | 166 | 166 | 88 | 126 | 121 | 78 | 44 | 26 | 10 | 10 | 4 | 2 | 4 | 4 | 3 | 13 | 87 | 348 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 7:59PM2.33m | 8:15AM2.13m | 8:34PM2.23m | 8:51AM2.08m | 9:12PM2.06m | ||||||||||||||
Low Tide | 1:45PM-0.00m | 2:12AM0.05m | 2:20PM0.05m | 2:45AM0.14m | 2:59PM0.17m | ||||||||||||||
 | |  | | |  | |  | | |  | |  | |  | | | | | |
 | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — |
 | — | 7:12 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 11 | 1 | — | — | — | — | — |
Temp °C | 15 | 13 | 11 | 11 | 12 | 12 | 13 | 14 | 15 | 17 | 19 | 17 | 15 | 14 | 14 | 15 | 16 | 14 | 12 |
Feels °C | 11 | 9 | 7 | 6 | 7 | 6 | 6 | 7 | 7 | 9 | 10 | 10 | 12 | 8 | 7 | 7 | 11 | 8 | 7 |
Swell 1 Height (m) Direction Period (s) | WNW 11 | NW 11 | NW 11 | WNW 10 | NW 11 | NW 11 | WNW 11 | WNW 11 | NW 10 | WNW 10 | WNW 10 | NW 10 | SE 6 | N 10 | W 14 | W 13 | W 13 | WNW 15 | WNW 15 |
| kJ | 204 | 166 | 166 | 88 | 126 | 121 | 78 | 44 | 26 | 10 | 10 | 4 | 75 | 2 | 4 | 3 | 13 | 87 | 348 |
Swell 2 Height (m) Direction Period (s) | — | — | — | NW 12 | — | — | — | N 10 | N 11 | W 12 | N 11 | N 10 | N 10 | W 14 | N 10 | N 9 | N 9 | ESE 5 | N 10 |
| kJ | — | — | — | 53 | — | — | — | 2 | 2 | 3 | 2 | 2 | 2 | 4 | 2 | 2 | 2 | 9 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | N 11 | — | N 10 | W 10 | W 9 | W 9 | — | — | N 10 | — |
| kJ | — | — | — | — | — | — | — | — | — | 2 | — | 2 | 2 | 2 | 2 | — | — | 2 | — |
Wind waves Height (m) Direction Period (s) | — | — | SE 3 | SE 3 | ESE 4 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | SE 6 | — | ESE 6 | SE 4 | SSE 4 | SSE 5 | S 3 | SE 3 |
| kJ | — | — | 3 | 6 | 13 | 42 | 115 | 167 | 226 | 254 | 202 | 171 | — | 46 | 21 | 34 | 33 | 3 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 4 | 0 | 0 | 0 | 0 | 336 | 336 | 340 | 391 | 752 | 1038 | 1038 | 494 | 313 | 286 | 273 | 273 | 291 | 4 |
Best forecast wave conditions in Londonderry | |||||||||||||||||||
Best forecast wave conditions in Ireland | |||||||||||||||||||
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