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:
Kennack Sands surfForecast / Cornwall (South) / UK
48hr Weather and Surf, issued 11 pm Saturday 13 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Kennack Sands surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Kennack Sands sea temperature is
12.6° C
(Which is 1.2°C warmer than normal for this time of year)Updates in hr min s Forecast update imminent
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| 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 | 13 | 13 | 13 | 13 | 13 | 7 | 13 | 7 | 13 | 13 | 13 | 13 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 372 | 0 | 390 | 0 | 0 | 0 | 0 | 238 | 181 | 152 | 160 | 176 | 157 | 103 | 57 | 41 | 27 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 12:15AM 3.55 | 12:37PM 3.69 | 1:12AM 3.63 | 1:31PM 3.73 | 2:00AM 3.77 | 2:19PM 3.82 | ||||||||||||||||||
Low Tide / height (m) | 6:05PM 1.26 | 6:30AM 1.43 | 7:08PM 1.29 | 7:37AM 1.40 | 8:07PM 1.24 | 8:35AM 1.27 | ||||||||||||||||||
Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:11 | - | - | - | - | - | - | - | 8:11 | - | - | - | - | - | - | - | 8:11 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:19 | - |
 | | |  |  |  | | |  | |  | |  | |  | |  | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | 3 | 6 | 8 | 6 | 6 | 3 | 8 | 11 | 1 | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 8 | 9 | 10 | 9 | 10 | 10 | 9 |
| Feels °C (?) | 3 | 3 | 3 | 4 | 3 | 3 | 4 | 4 | 3 | 3 | 1 | 2 | 6 | 8 | 8 | 2 | -1 | -1 | 3 | 4 | 4 | 5 | 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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