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Downhill surfForecast / Londonderry / Ireland
48hr Weather and Surf, issued 5 am Thursday 27 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
11.7° 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 11AM is: 0.8m 10s primary swell from a West-northwest direction (forecast issued at 05:00am November 27). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Nov) | 2.5ft (0.8m) | 11s |
| Afternoon (27 Nov) | 3.5ft (1.0m) | 11s |
| Evening (27 Nov) | 7ft (2.2m) | 14s |
Table - waves today at Downhill. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 27 | Friday 28 | Saturday 29 | Sun 30 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 11 | 11 | 10 | 11 | 11 | 14 | 17 | 18 | 18 | 17 | 16 | 15 | 14 | 14 | 14 | 12 | 11 | 10 | 10 | 9 | 9 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 127 | 146 | 143 | 138 | 214 | 504 | 1774 | 7024 | 9273 | 8227 | 6108 | 4518 | 4250 | 3066 | 2405 | 929 | 1050 | 711 | 548 | 394 | 180 | 147 | 86 | 73 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | on | on | glass | cross | cross | cross | cross | cross- on | cross- on | cross- on |
High Tide / height (m) | 10:30AM 1.67 | 10:44PM 1.36 | 11:40AM 1.66 | 12:14AM 1.34 | 12:55PM 1.72 | |||||||||||||||||||
Low Tide / height (m) | 5:11PM 0.75 | 4:59AM 0.64 | 6:28PM 0.69 | 6:14AM 0.64 | 7:37PM 0.57 | |||||||||||||||||||
Thursday 27 | Friday 28 | Saturday 29 | Sun 30 | |||||||||||||||||||||
| Sunrise | - | - | 8:21 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:25 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:06 | - | - | - | - | - | - | - | 4:05 | - | - | - |
 |  |  |  |  |  |  | | | |  | | |  | | | | | | | |  | | | |
Rain (mm) | - | 1 | 1 | - | 1 | - | - | - | - | - | - | 1 | 1 | 6 | 1 | - | - | - | - | - | - | 1 | 1 | 1 |
| Temp. °C | 14 | 14 | 14 | 14 | 11 | 10 | 9 | 8 | 8 | 8 | 7 | 7 | 8 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 6 |
| Feels °C (?) | 10 | 10 | 8 | 7 | 1 | -1 | -3 | -4 | -4 | -3 | -4 | -3 | -4 | 1 | 1 | 3 | 5 | 4 | 4 | 3 | 4 | 4 | 3 | 2 |
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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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