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Surf Forecasts:
Downhill surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 5 pm Saturday 06 Dec 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
10.9° C
(Which is slightly warmer than usual)How big are the waves at Downhill today?
The current surf forecast for Downhill at 12AM is: 1.0m 15s primary swell from a West-northwest direction (forecast issued at 05:00pm December 06). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Dec) | - | - |
| Afternoon (07 Dec) | 4.5ft (1.3m) | 18s |
| Evening (07 Dec) | 3.5ft (1.1m) | 16s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 18 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 23 | 21 | 20 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 943 | 726 | 620 | 434 | 405 | 297 | 226 | 178 | 156 | 101 | 67 | 66 | 93 | 86 | 361 | 746 | 968 | 1172 | 986 | 838 | 700 | 700 | 545 | 430 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross- off | off | off | off | cross- on | cross | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off |
High Tide / height (m) | 7:02PM 2.08 | 7:25AM 2.32 | 7:48PM 1.94 | 8:14AM 2.26 | 8:35PM 1.77 | 9:06AM 2.15 | ||||||||||||||||||
Low Tide / height (m) | 12:59PM 0.05 | 1:08AM 0.11 | 1:51PM 0.12 | 1:53AM 0.17 | 2:45PM 0.24 | 2:40AM 0.25 | ||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:37 | - | - | - | - | - | - | - | 8:37 | - | - | - | - | - | - | - | 8:38 | - |
| Sunset | 4:00 | - | - | - | - | - | - | - | 3:59 | - | - | - | - | - | - | - | 3:59 | - | - | - | - | - | - | - |
 |  |  |  | | |  |  |  | | | | | |  |  | | | | |  |  | | | |
Rain (mm) | - | - | - | - | - | - | 1 | 12 | 9 | - | - | - | - | - | - | - | - | - | - | - | 2 | 7 | 2 | 1 |
| Temp. °C | 10 | 10 | 11 | 10 | 9 | 8 | 9 | 10 | 9 | 10 | 9 | 9 | 9 | 9 | 8 | 9 | 10 | 8 | 8 | 9 | 11 | 11 | 14 | 15 |
| Feels °C (?) | 7 | 6 | 7 | 6 | 5 | 3 | 4 | 6 | 3 | 4 | 4 | 3 | 4 | 1 | 1 | 2 | 4 | 3 | 3 | 4 | 6 | 1 | 8 | 8 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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