Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Fort Le Marchant surfForecast / Guernsey / UK
48hr Weather and Surf, issued 5 am Saturday 13 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Fort Le Marchant surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Fort Le Marchant sea temperature is
13.3° C
(Which is 1.7°C warmer than normal for this time of year)Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 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) (?) | 18 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | glass | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 12:45AM 5.94 | 1:10PM 5.98 | 1:54AM 5.87 | 2:20PM 5.90 | 2:57AM 5.99 | 3:20PM 6.01 | ||||||||||||||||||
Low Tide / height (m) | 6:58AM 2.59 | 7:34PM 2.40 | 8:06AM 2.65 | 8:38PM 2.44 | 9:11AM 2.53 | 9:35PM 2.33 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | - | 7:56 | - | - | - | - | - | - | - | 7:58 | - | - | - | - | - | - | - | 7:58 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:09 | - | - | - | - | - | - | - | 4:09 | - | - | - | - | - | - | - | 4:09 | - | - | - |
 | |  | | |  |  | | | |  | | | | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 12 | 12 | 12 |
| Feels °C (?) | 9 | 9 | 10 | 10 | 9 | 7 | 6 | 6 | 5 | 3 | 2 | 2 | 3 | 5 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 4 | 5 | 5 |
- 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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