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Surf Forecasts:
Downhill surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 6 pm Friday 29 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
11.8° C
(Which is slightly warmer than usual)How big are the waves at Downhill today (29 May):
- Afternoon surf: Afternoon surf (29 May, local time) - 1.5ft (0.5m), 9s period with WNW swell.
- Evening surf: Evening surf (29 May, local time) - 2.5ft (0.7m), 8s period with WNW swell.
The current surf forecast for Downhill at 9PM is: 0.7m 8s primary swell from a West-northwest direction and 0.5m 4s secondary swell from a West direction (forecast issued at 06:00pm May 29). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | - | - |
| Afternoon (29 May) | 1.5ft (0.5m) | 9s |
| Evening (29 May) | 2.5ft (0.7m) | 8s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Sat morning. Very mild (max 17°C on Fri afternoon, min 11°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||||||||
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 9 | WNW 8 | WNW 8 | NW 8 | WNW 8 | NW 8 | NW 7 | NW 7 | NW 7 | WNW 12 | WNW 12 | WNW 12 | WNW 13 | WNW 13 | WNW 12 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 11 | W 11 | |
43 | 82 | 61 | 53 | 43 | 29 | 27 | 26 | 13 | 29 | 28 | 14 | 17 | 16 | 15 | 32 | 33 | 30 | 14 | 14 | 14 | 11 | 10 | 9 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | on | on | glassy | off | cross-off | off | off | cross-off | |
High Tide | 6:10PM1.90m | 6:23AM1.89m | 6:43PM1.97m | 6:56AM1.89m | 7:15PM2.01m | 7:28AM1.86m | ||||||||||||||||||
Low Tide | 00:20AM0.38m | 12:33PM0.33m | 00:57AM0.36m | 1:06PM0.33m | 1:34AM0.37m | |||||||||||||||||||
 | |  |  |  |  |  | | | | | | | |  | | | | | | | | | | |
 | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:54 | — | — | — |
 | — | 9:51 | — | — | — | — | — | — | — | 9:52 | — | — | — | — | — | — | — | 9:53 | — | — | — | — | — | 9:54 |
— | — | — | — | — | — | 1 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 17 | 17 | 15 | 13 | 12 | 13 | 12 | 11 | 13 | 14 | 14 | 13 | 12 | 12 | 14 | 15 | 15 | 15 | 13 | 12 | 12 | 12 | 12 | 15 |
13 | 14 | 14 | 10 | 9 | 10 | 9 | 7 | 11 | 12 | 12 | 11 | 10 | 9 | 10 | 11 | 12 | 12 | 13 | 10 | 10 | 10 | 10 | 14 | |
Swell 1 Height (m) Direction Period (s) | WNW 9 | WNW 8 | WNW 8 | NW 8 | WNW 8 | NW 8 | NW 7 | NW 7 | NW 7 | WNW 12 | WNW 12 | WNW 12 | WNW 13 | WNW 7 | WNW 12 | WNW 13 | WNW 13 | WNW 12 | NW 5 | NW 5 | WNW 5 | WNW 5 | WNW 5 | NW 5 |
 kJ | 43 | 82 | 61 | 53 | 43 | 29 | 27 | 26 | 13 | 29 | 28 | 14 | 17 | 5 | 15 | 32 | 33 | 30 | 7 | 7 | 3 | 3 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 16 | W 16 | W 10 | W 10 | NW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 13 | WNW 6 | N 9 | N 9 | N 8 | WNW 12 | WNW 12 | WNW 12 | W 12 | W 11 | W 11 |
| kJ | — | — | — | — | — | 5 | 5 | 2 | 8 | 8 | 5 | 5 | 5 | 16 | 4 | 2 | 2 | 1 | 14 | 14 | 14 | 11 | 10 | 9 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 11 | W 15 | NW 13 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | N 10 | — | — | N 7 | N 7 | N 7 | N 7 | N 7 | N 6 |
| kJ | — | — | — | — | — | — | 2 | 4 | 7 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | — | — | 1 | 1 | 1 | 1 | 1 | 1 |
Wind waves Height (m) Direction Period (s) | W 3 | W 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 6 | WNW 6 | WNW 3 | — | — | — | — | — | — |
| kJ | 8 | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | 11 | 12 | 4 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 184 | 13 | 4 | 11 | 17 | 20 | 53 | 80 | 53 | 17 | 17 | 39 | 39 | 39 | 159 | 302 | 388 | 184 | 20 | 37 | 37 | 37 | 37 | 39 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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