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:
Tregana surfForecast / Brittany – Finistere / France
48hr Weather and Surf, issued 12 pm Friday 12 Dec 2025 CETForecast update in hr min s Forecast update imminent
Tregana surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tregana sea temperature is
12.5° C
(Which is normal for this time of year)How big are the waves at Tregana today?
The current surf forecast for Tregana at 6PM is: 6.0m 18s primary swell from a West direction (forecast issued at 12:00pm December 12). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 16ft (5.0m) | 16s |
| Afternoon (12 Dec) | 20ft (6.0m) | 18s |
| Evening (12 Dec) | 18ft (5.5m) | 18s |
Table - waves today at Tregana. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 12398 | 20651 | 22216 | 21235 | 18681 | 16387 | 14990 | 13574 | 10273 | 8576 | 6853 | 4756 | 3859 | 3025 | 2327 | 2022 | 2154 | 2764 | 3404 | 3648 | 3951 | 3470 | 3062 | 2975 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | glass | glass | glass | cross | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on |
High Tide / height (m) | 10:43AM 4.59 | 11:27PM 4.30 | 11:54AM 4.40 | 12:37AM 4.29 | 1:01PM 4.37 | 1:37AM 4.40 | ||||||||||||||||||
Low Tide / height (m) | 5:13PM 1.54 | 5:38AM 1.79 | 6:16PM 1.68 | 6:45AM 1.84 | 7:18PM 1.69 | |||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 9:00 | - | - | - | - | - | - | - | 9:00 | - | - | - | - | - | - | - |
| Sunset | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:23 | - | - | - | - | - |
 | | |  |  |  | | |  | | | | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 12 | 12 | 12 | 13 |
| Feels °C (?) | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 5 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 5 | 4 | 5 | 6 |
- 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 Tregana 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