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Surf Forecasts:
Downhill surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 12 am Wednesday 22 Apr 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
9.2° C
(Which is normal for this time of year)How big are the waves at Downhill today?
The current surf forecast for Downhill at 3AM is: 0.5m 12s primary swell from a Northwest direction and 0.1m 6s secondary swell from a North direction (forecast issued at 12:00am April 22). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | 1.5ft (0.4m) | 12s |
| Afternoon (22 Apr) | 1ft (0.3m) | 11s |
| Evening (22 Apr) | 0.5ft (0.2m) | 10s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | ||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 8 | 9 | 9 | 9 | 2 | - | - |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 138 | 103 | 72 | 50 | 33 | 19 | 18 | 11 | 4 | 4 | 4 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 9:53PM 2.03 | 10:22AM 1.71 | 10:53PM 1.88 | 11:30AM 1.48 | 12:19AM 1.75 | 1:14PM 1.34 | ||||||||||||||||||
Low Tide / height (m) | 4:20AM 0.37 | 4:29PM 0.48 | 5:34AM 0.55 | 5:37PM 0.62 | 7:12AM 0.66 | |||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:03 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:44 | - | - | - | - | - | - | - | 8:45 | - | - | - | - | - | - | - | 8:47 |
 | | |  | | |  |  |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 6 | 5 | 5 | 7 | 10 | 12 | 12 | 10 | 8 | 6 | 5 | 8 | 11 | 12 | 11 | 11 | 11 | 11 | 10 | 11 | 14 | 16 | 15 |
| Feels °C (?) | 3 | -1 | -2 | -2 | -1 | 3 | 6 | 6 | 4 | 2 | 1 | 0 | 2 | 5 | 7 | 7 | 7 | 8 | 8 | 7 | 8 | 11 | 14 | 13 |
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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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