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 5 pm Friday 12 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 12AM is: 3.5m 18s primary swell from a West-northwest direction (forecast issued at 05:00pm December 12). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (WET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | - | - |
| Afternoon (13 Dec) | 11ft (3.5m) | 15s |
| Evening (13 Dec) | 11ft (3.5m) | 18s |
Table - waves today at Aberta A Nova. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 19 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4843 | 7842 | 8530 | 8305 | 7434 | 6916 | 6502 | 4992 | 3785 | 3219 | 2410 | 1860 | 1427 | 1285 | 1019 | 772 | 760 | 760 | 689 | 1142 | 1351 | 1442 | 1357 | 1244 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross | cross |
High Tide / height (m) | 9:03PM 2.05 | 9:22AM 2.21 | 10:06PM 2.09 | 10:24AM 2.18 | 11:02PM 2.16 | 11:20AM 2.20 | ||||||||||||||||||
Low Tide / height (m) | 2:47PM 0.74 | 3:02AM 0.91 | 3:50PM 0.77 | 4:11AM 0.89 | 4:45PM 0.76 | 5:10AM 0.83 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 7:41 | - | - | - | - | - | - | - | 7:43 | - | - | - | - | - | - | - | 7:43 | - |
| Sunset | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - |
 |  | |  | | |  |  |  |  | | | | | | | | | | |  | | | | |
Rain (mm) | 5 | 3 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 13 | 13 | 13 | 14 | 13 | 12 | 15 | 17 | 16 | 14 | 13 | 12 | 11 | 11 | 15 | 17 | 15 | 13 | 12 | 12 | 13 | 13 | 15 |
| Feels °C (?) | 9 | 10 | 10 | 9 | 10 | 9 | 7 | 10 | 13 | 12 | 10 | 8 | 8 | 7 | 7 | 12 | 14 | 13 | 11 | 10 | 10 | 11 | 11 | 12 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Read more
Discover more articles and updates in the Greenroom.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Aberta A Nova surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest