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 Friday 12 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 1.1°C warmer than normal for this time of year)Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| 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) (?) | 18 | 18 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 6 | 13 | 13 | 6 | 13 | 6 | 6 | 6 | 7 | 7 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 208 | 0 | 0 | 361 | 0 | 193 | 253 | 373 | 388 | 199 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off | off | cross- off |
High Tide / height (m) | 11:09PM 3.54 | 11:35AM 3.73 | 12:15AM 3.55 | 12:37PM 3.69 | 1:12AM 3.63 | 1:31PM 3.73 | ||||||||||||||||||
Low Tide / height (m) | 5:24AM 1.35 | 6:05PM 1.26 | 6:30AM 1.43 | 7:08PM 1.29 | 7:37AM 1.40 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:10 | - | - | - | - | - | - | - | 8:11 | - | - | - | - | - | - | - | 8:11 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - |
 |  | | |  | |  |  | | | | |  | | | | | |  |  |  |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 6 | 7 | 4 | 3 | 5 |
| Temp. °C | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 11 | 12 | 11 | 11 | 10 |
| Feels °C (?) | 8 | 8 | 7 | 6 | 6 | 5 | 4 | 4 | 3 | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 3 | 4 | 4 | 4 | 6 | 9 | 10 | 4 |
- Map Icons:
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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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