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:
Tronoen surfForecast / Brittany – Finistere / France
48hr Weather and Surf, issued 6 am Saturday 13 Dec 2025 CETForecast update in hr min s Forecast update imminent
Tronoen surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tronoen sea temperature is
13.3° C
(Which is slightly warmer than usual)How big are the waves at Tronoen today?
The current surf forecast for Tronoen at 1PM is: 4.0m 16s primary swell from a West direction (forecast issued at 06:00am December 13). The wind direction is predicted to be glassy and the swell rating is 11.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Dec) | 13ft (4.0m) | 16s |
| Afternoon (13 Dec) | 11ft (3.5m) | 16s |
| Evening (13 Dec) | 10ft (3.0m) | 15s |
Table - waves today at Tronoen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 11123 | 9768 | 8544 | 7559 | 6721 | 4844 | 3776 | 2987 | 2325 | 1992 | 1962 | 2069 | 2560 | 2764 | 2942 | 2900 | 2805 | 2764 | 3177 | 2830 | 3347 | 2392 | 4887 | 5173 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | glass | glass | glass | glass | cross | cross | cross | cross | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on |
High Tide / height (m) | 11:40AM 3.14 | 12:24AM 3.01 | 12:46PM 3.12 | 1:22AM 3.11 | 1:41PM 3.18 | |||||||||||||||||||
Low Tide / height (m) | 5:13AM 1.23 | 5:54PM 1.13 | 6:18AM 1.23 | 6:50PM 1.11 | 7:16AM 1.16 | 7:40PM 1.04 | ||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | |||||||||||||||||||||
| Sunrise | - | - | 8:56 | - | - | - | - | - | - | - | 8:57 | - | - | - | - | - | - | - | 8:59 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:23 | - | - | - | - | - | - | - | 5:23 | - | - | - | - | - | - | - | 5:24 | - | - | - |
 | |  | | | |  | | |  |  | | | | | | | | | |  | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 |
| Temp. °C | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 11 |
| Feels °C (?) | 7 | 7 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 7 | 6 | 7 | 8 | 8 | 6 | 7 | 7 | 7 | 8 | 6 | 6 | 7 | 8 | 10 |
- 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 Tronoen 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