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Surf Forecasts:
Downhill surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 11 pm Friday 28 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 slightly warmer than usual)How big are the waves at Downhill today?
The current surf forecast for Downhill at 2AM is: 1.6m 12s primary swell from a North-northwest direction and 1.1m 13s secondary swell from a West-northwest direction (forecast issued at 11:00pm November 28). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Nov) | 3.5ft (1.1m) | 10s |
| Afternoon (29 Nov) | 5ft (1.5m) | 6s |
| Evening (29 Nov) | 4.5ft (1.3m) | 6s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 29 | Sunday 30 | Monday 01 | ||||||||||||||||||||||
| 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) (?) | 14 | 13 | 12 | 11 | 10 | 10 | 6 | 6 | 6 | 8 | 7 | 6 | 9 | 8 | 8 | 8 | 10 | 10 | 12 | 12 | 12 | 12 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1640 | 768 | 689 | 693 | 237 | 182 | 160 | 122 | 98 | 151 | 89 | 59 | 66 | 37 | 31 | 19 | 19 | 33 | 86 | 131 | 156 | 226 | 532 | 810 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross | cross | cross- off |
High Tide / height (m) | 12:14AM 1.34 | 12:55PM 1.72 | 1:39AM 1.42 | 2:01PM 1.83 | 2:43AM 1.58 | 2:59PM 1.97 | ||||||||||||||||||
Low Tide / height (m) | 6:28PM 0.69 | 6:14AM 0.64 | 7:37PM 0.57 | 7:27AM 0.59 | 8:36PM 0.42 | 8:32AM 0.48 | ||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 01 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:25 | - | - | - | - | - | - | - | 8:26 | - | - | - | - | - | - | - | 8:27 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:05 | - | - | - | - | - | - | - | 4:04 | - | - | - | - | - | - | - | 4:02 | - |
 |  | |  |  |  | | | | | | |  | | |  | | | | |  | | | | |
Rain (mm) | 2 | 7 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 | 1 | - | 1 | - | 1 | - |
| Temp. °C | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 7 | 8 | 10 | 9 | 9 | 9 | 9 | 8 |
| Feels °C (?) | 2 | 5 | 2 | 1 | -2 | -2 | -1 | -1 | -1 | 0 | 1 | 1 | 0 | 0 | -1 | -3 | -2 | -1 | 5 | 6 | 6 | 6 | 6 | 5 |
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