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Surf Forecasts:
Downhill surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 5 am Thursday 26 Mar 2026 GMTForecast 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
8.4° C
(Which is normal for this time of year)How big are the waves at Downhill today?
The current surf forecast for Downhill at 11AM is: 1.8m 12s primary swell from a Northwest direction (forecast issued at 05:00am March 26). The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Mar) | 6.5ft (2.0m) | 13s |
| Afternoon (26 Mar) | 5ft (1.5m) | 12s |
| Evening (26 Mar) | 4ft (1.2m) | 11s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 26 | Friday 27 | Saturday 28 | Sun 29 | |||||||||||||||||||||
| 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 10 | 11 | 13 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 15 | 14 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1876 | 1521 | 1266 | 899 | 614 | 420 | 338 | 292 | 355 | 453 | 1190 | 8112 | 10268 | 9791 | 10148 | 10169 | 11984 | 10685 | 8072 | 7600 | 5891 | 4769 | 3638 | 2737 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross | cross- off |
High Tide / height (m) | 12:14PM 1.37 | 1:18AM 1.60 | 2:24PM 1.39 | 2:55AM 1.77 | 3:34PM 1.53 | |||||||||||||||||||
Low Tide / height (m) | 5:56AM 0.73 | 6:21PM 0.79 | 8:10AM 0.71 | 8:16PM 0.71 | 9:36AM 0.54 | 9:29PM 0.52 | ||||||||||||||||||
Thursday 26 | Friday 27 | Saturday 28 | Sun 29 | |||||||||||||||||||||
| Sunrise | - | - | 6:15 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:54 | - | - |
 |  |  |  |  | |  |  | | |  | | | | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | 1 | - | - | 1 | - | - | - | 1 | - | - | - | 1 | 1 | 2 | 1 | 1 | 1 | - | - | - |
| Temp. °C | 4 | 4 | 5 | 5 | 6 | 7 | 8 | 9 | 7 | 6 | 7 | 7 | 7 | 6 | 6 | 3 | 4 | 6 | 6 | 6 | 7 | 7 | 6 | 6 |
| Feels °C (?) | 0 | -1 | 0 | 0 | 0 | 2 | 4 | 4 | 3 | 2 | 2 | -2 | -2 | -3 | -3 | -5 | -7 | -4 | -4 | -4 | -2 | 0 | 1 | 0 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Downhill surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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