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Surf Forecasts:
Downhill surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 11 pm Saturday 29 Nov 2025 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
11.6° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Downhill today?
The current surf forecast for Downhill at 5AM is: 0.9m 5s primary swell from a North-northwest direction and 0.4m 11s secondary swell from a West-northwest direction (forecast issued at 11:00pm November 29). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Nov) | 2.5ft (0.7m) | 9s |
| Afternoon (30 Nov) | 1.5ft (0.4m) | 10s |
| Evening (30 Nov) | 1ft (0.3m) | 10s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 30 | Monday 01 | Tuesday 02 | ||||||||||||||||||||||
| 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 | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 5 | 5 | 9 | 11 | 10 | 8 | 10 | 10 | 11 | 12 | 12 | 13 | 17 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 131 | 83 | 60 | 46 | 77 | 64 | 39 | 21 | 19 | 34 | 73 | 79 | 119 | 219 | 745 | 1225 | 1349 | 1380 | 1466 | 2242 | 2444 | 2028 | 1765 | 1446 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:39AM 1.42 | 2:01PM 1.83 | 2:43AM 1.58 | 2:59PM 1.97 | 3:35AM 1.77 | 3:51PM 2.09 | ||||||||||||||||||
Low Tide / height (m) | 7:37PM 0.57 | 7:27AM 0.59 | 8:36PM 0.42 | 8:32AM 0.48 | 9:26PM 0.28 | 9:30AM 0.35 | ||||||||||||||||||
Sunday 30 | Monday 01 | Tuesday 02 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:26 | - | - | - | - | - | - | - | 8:27 | - | - | - | - | - | - | - | 8:29 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:04 | - | - | - | - | - | - | - | 4:02 | - | - | - | - | - | - | - | 4:01 | - |
 |  | |  |  | |  |  | |  | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 3 | 4 | 2 | - | - | 2 | 3 | 1 | 1 | - | - | - | - | - | - | - |
| Temp. °C | 7 | 7 | 7 | 6 | 5 | 6 | 6 | 5 | 7 | 10 | 9 | 10 | 9 | 8 | 10 | 8 | 8 | 8 | 6 | 6 | 6 | 7 | 7 | 7 |
| Feels °C (?) | -1 | 0 | 1 | 1 | 0 | 1 | 0 | -2 | -2 | 4 | 5 | 6 | 6 | 5 | 6 | -1 | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 1 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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