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Surf Forecasts:
Downhill surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 6 am Thursday 28 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 (28 May):
- Morning surf: Morning surf (28 May, local time) - 0.5ft (0.2m), 6s period with NNW swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 0.5ft (0.1m), 9s period with NW swell.
- Evening surf: Evening surf (28 May, local time) - 0.5ft (0.1m), 8s period with NW swell.
The current surf forecast for Downhill at 2PM is: 0.1m 9s primary swell from a Northwest direction and 0.1m 6s secondary swell from a Northwest direction (forecast issued at 06:00am May 28). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 0.5ft (0.2m) | 6s |
| Afternoon (28 May) | 0.5ft (0.1m) | 9s |
| Evening (28 May) | 0.5ft (0.1m) | 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 3mm), mostly falling on Thu night. Warm (max 21°C on Thu afternoon, min 12°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 28 | Friday 29 | Saturday 30 | Sun 31 | |||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 7 | NW 6 | NNW 6 | NNW 6 | NW 9 | NW 8 | NW 8 | NW 11 | NW 10 | NW 10 | NW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | NW 7 | NW 7 | WNW 12 | WNW 12 | WNW 12 | |
11 | 6 | 4 | 4 | 3 | 3 | 3 | 5 | 4 | 15 | 14 | 30 | 40 | 38 | 44 | 44 | 43 | 40 | 28 | 26 | 13 | 29 | 28 | 28 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | glassy | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 5:13AM1.87m | 5:37PM1.81m | 5:49AM1.88m | 6:10PM1.90m | 6:23AM1.89m | 6:43PM1.97m | ||||||||||||||||||
Low Tide | 11:28AM0.38m | 11:41PM0.41m | 12:01PM0.35m | 00:20AM0.38m | 12:33PM0.33m | 00:57AM0.36m | ||||||||||||||||||
 |  | | |  | |  |  |  | | |  | | | | | | | | | |  |  | | |
 | 5:00 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | 4:56 |
 | — | — | — | — | — | 9:50 | — | — | — | — | — | — | — | 9:51 | — | — | — | — | — | — | — | 9:52 | — | 9:53 |
— | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | |
Temp °C | 14 | 13 | 15 | 19 | 21 | 20 | 15 | 14 | 13 | 14 | 15 | 14 | 16 | 17 | 15 | 14 | 13 | 13 | 14 | 15 | 16 | 16 | 14 | 13 |
11 | 9 | 10 | 15 | 18 | 18 | 13 | 11 | 9 | 10 | 10 | 9 | 12 | 14 | 14 | 12 | 10 | 10 | 11 | 13 | 14 | 14 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | NW 7 | NW 6 | NNW 6 | NNW 6 | NW 6 | ESE 5 | ESE 5 | E 5 | E 4 | WNW 8 | NW 9 | WNW 9 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | WNW 8 | NW 8 | NW 7 | NW 7 | WNW 12 | WNW 12 | WNW 12 |
 kJ | 11 | 6 | 4 | 4 | 1 | 24 | 9 | 4 | 1 | 6 | 14 | 30 | 40 | 38 | 44 | 44 | 43 | 40 | 28 | 26 | 13 | 29 | 28 | 28 |
Swell 2 Height (m) Direction Period (s) | WNW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 8 | NW 10 | NW 10 | WNW 8 | W 13 | — | — | W 12 | — | W 16 | — | W 16 | W 10 | W 10 | NW 7 | WNW 7 | WNW 7 |
| kJ | 9 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 15 | 13 | 4 | — | — | 3 | — | 5 | — | 5 | 2 | 8 | 8 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | NW 6 | NW 6 | NW 11 | NW 8 | — | — | — | — | — | — | — | — | — | — | W 15 | NW 13 | N 10 | N 10 | ESE 3 |
| kJ | — | — | — | — | — | 1 | 1 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | 4 | 7 | 2 | 2 | 1 |
Wind waves Height (m) Direction Period (s) | E 3 | ESE 4 | ESE 4 | ESE 4 | ESE 5 | — | — | — | — | — | WSW 3 | WSW 3 | W 3 | WNW 3 | — | — | — | — | — | — | — | ESE 2 | ESE 3 | — |
| kJ | 5 | 14 | 17 | 28 | 27 | — | — | — | — | — | 3 | 5 | 8 | 3 | — | — | — | — | — | — | — | 1 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 37 | 37 | 334 | 560 | 560 | 560 | 269 | 273 | 327 | 39 | 369 | 369 | 528 | 184 | 17 | 17 | 17 | 17 | 37 | 53 | 53 | 17 | 17 | 39 |
Best forecast wave conditions in Londonderry | ||||||||||||||||||||||||
Best forecast wave conditions in Ireland | ||||||||||||||||||||||||
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