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:
Caerhays surfForecast / Cornwall (South) / UK
48hr Weather and Surf, issued 11 am Saturday 13 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Caerhays surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Caerhays sea temperature is
12.4° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Caerhays today?
The current surf forecast for Caerhays at 2PM is: 1.1m 15s primary swell from a Southwest direction and 0.4m 3s secondary swell from a Southwest direction (forecast issued at 11:00am December 13). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 4.5ft (1.3m) | 16s |
| Afternoon (13 Dec) | 3.5ft (1.1m) | 15s |
| Evening (13 Dec) | 2ft (0.6m) | 14s |
Table - waves today at Caerhays. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 6 | 7 | 7 | 7 | 7 | 7 | 14 | 7 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 823 | 558 | 485 | 183 | 133 | 118 | 96 | 92 | 140 | 253 | 257 | 257 | 289 | 366 | 377 | 309 | 293 | 377 | 301 | 342 | 275 | 279 | 283 | 287 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | on | glass | off | off | off | off |
High Tide / height (m) | 11:57AM 3.67 | 12:37AM 3.49 | 12:54PM 3.61 | 1:30AM 3.55 | 1:46PM 3.62 | 2:18AM 3.66 | ||||||||||||||||||
Low Tide / height (m) | 6:21PM 1.29 | 6:51AM 1.50 | 7:32PM 1.33 | 8:04AM 1.45 | 8:34PM 1.25 | |||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||||||
| Sunrise | 8:10 | - | - | - | - | - | - | - | 8:10 | - | - | - | - | - | - | - | 8:11 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - | - | - |
 | |  |  |  | | | | |  | | | | |  | |  |  | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 5 | 3 | 6 | 8 | 5 | 14 | 3 | - | - |
| Temp. °C | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 11 | 10 | 9 | 9 | 9 | 9 |
| Feels °C (?) | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 5 | 4 | 5 | 4 | 5 | 6 | 5 | 7 | 9 | 2 | 2 | 3 | 4 |
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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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