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:
Nanjizal surfForecast / Cornwall (South) / UK
48hr Weather and Surf, issued 5 am Monday 15 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Nanjizal surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nanjizal 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 Nanjizal today?
The current surf forecast for Nanjizal at 12PM is: 3.0m 13s primary swell from a West direction and 2.0m 8s secondary swell from a South direction (forecast issued at 05:00am December 15). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Dec) | 10ft (3.0m) | 13s |
| Afternoon (15 Dec) | 10ft (3.0m) | 14s |
| Evening (15 Dec) | 11ft (3.5m) | 14s |
Table - waves today at Nanjizal. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4555 | 4206 | 3476 | 3200 | 4122 | 4428 | 5087 | 4280 | 4869 | 4618 | 4915 | 4556 | 4168 | 3853 | 3558 | 3190 | 2900 | 2419 | 1835 | 1346 | 2904 | 5474 | 6137 | 5342 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | on | on | on | on | cross- on | cross- on | cross- on | cross- on | on | cross- on |
High Tide / height (m) | 1:31PM 4.13 | 2:00AM 4.18 | 2:20PM 4.24 | 2:44AM 4.36 | 3:03PM 4.39 | |||||||||||||||||||
Low Tide / height (m) | 7:27AM 1.54 | 7:56PM 1.39 | 8:22AM 1.41 | 8:45PM 1.27 | 9:09AM 1.25 | 9:28PM 1.14 | ||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||
| Sunrise | - | - | 8:14 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:20 | - | - | - | - | - | - | - | 4:20 | - | - | - | - | - | - | - | 4:21 | - | - | - |
 | |  |  |  |  |  | | | | | |  |  | | | | | | | |  | | | |
Rain (mm) | 8 | 10 | 10 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | 2 | 2 |
| Temp. °C | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 11 | 11 | 12 |
| Feels °C (?) | 3 | 2 | 6 | 7 | 5 | 5 | 4 | 5 | 3 | 4 | 4 | 5 | 5 | 6 | 8 | 5 | 3 | 2 | 2 | 1 | -1 | 0 | 1 | 9 |
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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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