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Surf Forecasts:
Downhill surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 12 am Monday 30 Mar 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
8.3° C
(Which is normal for this time of year)How big are the waves at Downhill today?
The current surf forecast for Downhill at 9AM is: 4.5m 17s primary swell from a Northwest direction (forecast issued at 12:00am March 30). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Mar) | 15ft (4.5m) | 17s |
| Afternoon (30 Mar) | 13ft (4.0m) | 17s |
| Evening (30 Mar) | 11ft (3.5m) | 16s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 30 | Tuesday 31 | Wednesday 01 | ||||||||||||||||||||||
| 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) (?) | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 11207 | 10303 | 10808 | 11584 | 10669 | 9126 | 6963 | 6095 | 4826 | 3689 | 3130 | 2140 | 1587 | 1304 | 969 | 777 | 777 | 851 | 772 | 580 | 472 | 393 | 427 | 922 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | on |
High Tide / height (m) | 5:37AM 2.14 | 5:57PM 1.82 | 6:13AM 2.25 | 6:30PM 1.93 | 6:46AM 2.30 | 7:00PM 2.01 | ||||||||||||||||||
Low Tide / height (m) | 11:17PM 0.33 | 12:05PM 0.22 | 11:56PM 0.18 | 12:37PM 0.12 | 12:31AM 0.07 | 1:06PM 0.06 | ||||||||||||||||||
Monday 30 | Tuesday 31 | Wednesday 01 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:00 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 7:59 | - | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | - | 8:02 |
 |  | | |  | |  | | | | | | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 10 | 11 | 11 | 12 | 12 | 13 | 13 | 11 | 11 | 11 | 10 | 10 | 12 | 11 | 4 |
| Feels °C (?) | -3 | -3 | -3 | -3 | -2 | -1 | 1 | 2 | 6 | 6 | 6 | 7 | 9 | 8 | 8 | 9 | 7 | 7 | 7 | 6 | 5 | 6 | 4 | -6 |
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Live Wave Height (m)
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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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