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Downhill surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 5 pm Thursday 04 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
11.0° C
(Which is slightly warmer than usual)How big are the waves at Downhill today?
The current surf forecast for Downhill at 12AM is: 2.1m 17s primary swell from a Northwest direction (forecast issued at 05:00pm December 04). The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Dec) | - | - |
| Afternoon (05 Dec) | 5.5ft (1.7m) | 15s |
| Evening (05 Dec) | 7ft (2.1m) | 17s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 04 | Friday 05 | Saturday 06 | Sunday 07 | |||||||||||||||||||||
| 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) (?) | 15 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 19 | 19 | 18 | 17 | 16 | 15 | 15 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1306 | 2033 | 2408 | 2622 | 2180 | 1728 | 1420 | 1164 | 695 | 459 | 331 | 261 | 205 | 134 | 319 | 742 | 943 | 744 | 620 | 439 | 334 | 297 | 226 | 178 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross- off | cross- off | off | off |
High Tide / height (m) | 5:29PM 2.21 | 5:52AM 2.25 | 6:16PM 2.18 | 6:38AM 2.32 | 7:02PM 2.08 | 7:25AM 2.32 | ||||||||||||||||||
Low Tide / height (m) | 11:41PM 0.07 | 12:07PM 0.04 | 12:24AM 0.08 | 12:59PM 0.05 | 1:08AM 0.11 | |||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | Sunday 07 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:33 | - | - | - | - | - | - | - | 8:34 | - | - | - | - | - | - | - | 8:37 | - |
| Sunset | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - |
 |  |  | |  | | | |  |  | |  | | | | | | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | 5 | 7 | 6 | 2 | - | - | 1 | 2 | 1 | - | - | - | - | - | - | 3 |
| Temp. °C | 7 | 6 | 5 | 5 | 6 | 5 | 6 | 8 | 7 | 9 | 10 | 9 | 9 | 8 | 9 | 9 | 11 | 10 | 10 | 11 | 9 | 9 | 8 | 8 |
| Feels °C (?) | 3 | 2 | 0 | 0 | 1 | 0 | -1 | -2 | -5 | -1 | 5 | 5 | 5 | 4 | 6 | 6 | 7 | 6 | 6 | 7 | 5 | 6 | 3 | 3 |
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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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