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Surf Forecasts:
Downhill surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 6 pm Monday 25 May 2026 BSTForecast update in hr min s Forecast update imminent
Downhill surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Downhill sea temperature is
11.3° C
(Which is normal for this time of year)How big are the waves at Downhill today?
The current surf forecast for Downhill at 9PM is: 0.8m 12s primary swell from a West-northwest direction (forecast issued at 06:00pm May 25). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | - | - |
| Afternoon (25 May) | 2.5ft (0.8m) | 13s |
| Evening (25 May) | 2.5ft (0.8m) | 12s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Wed night. Very mild (max 17°C on Mon afternoon, min 9°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WNW 13 | WNW 12 | NW 12 | WNW 12 | WNW 12 | NW 12 | NW 12 | WNW 11 | NW 11 | WNW 11 | WNW 10 | WNW 9 | NW 11 | WNW 11 | WNW 10 | WNW 10 | NNW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NNW 6 | NNW 6 | |
209 | 190 | 147 | 187 | 190 | 209 | 199 | 157 | 119 | 99 | 69 | 58 | 55 | 37 | 20 | 20 | 19 | 12 | 12 | 11 | 9 | 6 | 4 | 4 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | off | cross-off | off | off | off | off | off | off | off | off | |
High Tide | 3:22PM1.45m | 3:44AM1.85m | 4:16PM1.57m | 4:32AM1.86m | 4:59PM1.69m | 5:13AM1.87m | ||||||||||||||||||
Low Tide | 9:06PM0.54m | 10:12AM0.47m | 10:07PM0.50m | 10:53AM0.42m | 10:57PM0.45m | 11:28AM0.38m | ||||||||||||||||||
 |  |  | |  | | | | | |  | | | | | | | | | | |  | | | |
 | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:00 | — | — | — |
 | — | 9:45 | — | — | — | — | — | — | — | 9:46 | — | — | — | — | — | — | — | 9:47 | — | — | — | — | — | 9:50 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | |
Temp °C | 17 | 14 | 12 | 12 | 12 | 11 | 12 | 13 | 12 | 12 | 10 | 10 | 9 | 11 | 13 | 17 | 17 | 17 | 16 | 15 | 12 | 11 | 14 | 17 |
15 | 12 | 11 | 10 | 10 | 8 | 8 | 9 | 7 | 8 | 7 | 7 | 7 | 10 | 11 | 15 | 14 | 14 | 13 | 11 | 7 | 7 | 10 | 13 | |
Swell 1 Height (m) Direction Period (s) | WNW 13 | WNW 12 | NW 12 | WNW 12 | WNW 12 | NW 12 | NW 12 | WNW 11 | NW 11 | WNW 11 | WNW 10 | WNW 9 | NW 11 | N 5 | N 4 | NNW 7 | NNW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 6 | NNW 6 | NNW 6 |
 kJ | 209 | 190 | 147 | 187 | 190 | 209 | 199 | 157 | 119 | 99 | 69 | 58 | 55 | 11 | 6 | 20 | 19 | 12 | 12 | 11 | 7 | 6 | 4 | 4 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | NNE 4 | N 4 | NNW 5 | WNW 11 | NW 7 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | NW 9 | NW 9 | NW 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | 3 | 9 | 8 | 37 | 16 | 20 | 10 | 10 | 9 | 9 | 9 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | NNE 4 | NNE 4 | NW 6 | WNW 10 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 6 | 4 | 9 | 20 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | N 3 | N 4 | — | — | — | — | E 3 | E 3 | ESE 3 | ESE 3 | SE 3 | ESE 3 | ESE 4 | ESE 4 | ESE 4 |
| kJ | — | — | — | — | — | — | — | — | — | 2 | 4 | — | — | — | — | 1 | 3 | 3 | 2 | 2 | 7 | 13 | 17 | 20 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 39 | 74 | 74 | 72 | 24 | 37 | 37 | 37 | 74 | 74 | 38 | 111 | 37 | 11 | 4 | 17 | 37 | 37 | 37 | 37 | 37 | 37 | 37 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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