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:
Aberta A Nova surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 11 pm Tuesday 16 Dec 2025 WETForecast update in hr min s Forecast update imminent
Aberta A Nova surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aberta A Nova sea temperature is
16.3° C
(Which is slightly cooler than normal)How big are the waves at Aberta A Nova today?
The current surf forecast for Aberta A Nova at 5AM is: 3.0m 14s primary swell from a West-northwest direction (forecast issued at 11:00pm December 16). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 8ft (2.5m) | 14s |
| Afternoon (17 Dec) | 7ft (2.2m) | 13s |
| Evening (17 Dec) | 6ft (1.9m) | 13s |
Table - waves today at Aberta A Nova. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| 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 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 23 | 21 | 20 | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 5877 | 5081 | 3562 | 2922 | 2323 | 1905 | 1708 | 1487 | 1170 | 1134 | 949 | 949 | 6401 | 7847 | 8474 | 8841 | 8201 | 7541 | 8104 | 5808 | 5949 | 5438 | 5091 | 5091 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross | cross | cross- off | cross- on | cross- on | cross- off | off | off | off | cross- off | cross | cross | cross- off | cross- off | cross- off | off | cross- off | cross | cross- on | cross- on | cross- on |
High Tide / height (m) | 12:30AM 2.37 | 12:50PM 2.31 | 1:09AM 2.47 | 1:29PM 2.37 | 1:45AM 2.55 | 2:07PM 2.42 | ||||||||||||||||||
Low Tide / height (m) | 6:14PM 0.67 | 6:41AM 0.63 | 6:53PM 0.60 | 7:20AM 0.54 | 7:29PM 0.54 | 7:57AM 0.46 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:46 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:16 | - |
 |  | | |  |  | | | | | | | | | | |  |  |  |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 10 | 20 | 1 | - | - | - |
| Temp. °C | 13 | 12 | 11 | 10 | 11 | 13 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 14 | 15 | 14 | 14 | 14 | 13 | 13 | 12 | 13 | 14 | 13 |
| Feels °C (?) | 5 | 5 | 6 | 6 | 7 | 10 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 11 | 11 | 10 | 10 | 11 | 10 | 10 | 8 | 9 | 8 | 7 |
- 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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