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:
Copacabana surfForecast / Cantabria / Spain
48hr Weather and Surf, issued 6 pm Thursday 11 Dec 2025 CETForecast update in hr min s Forecast update imminent
Copacabana surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Copacabana sea temperature is
15.1° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Copacabana today?
The current surf forecast for Copacabana at 11PM is: 1.7m 13s primary swell from a Northwest direction and 0.4m 22s secondary swell from a Northwest direction (forecast issued at 06:00pm December 11). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (CET) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | - | - |
| Afternoon (11 Dec) | 6.5ft (2.0m) | 14s |
| Evening (11 Dec) | 5.5ft (1.7m) | 13s |
Table - waves today at Copacabana. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 13 | 14 | 18 | 17 | 16 | 16 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1363 | 1086 | 892 | 1083 | 1472 | 1520 | 2167 | 3428 | 4878 | 9773 | 10296 | 9961 | 8956 | 8119 | 7421 | 6410 | 5213 | 4585 | 3926 | 3367 | 2562 | 2247 | 1812 | 1471 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross | cross- off | cross- off | cross | cross | cross | cross- on | on | on | glass | glass | glass | cross- off | glass | glass | cross | off | off | off | off | cross- off | off | cross- off |
High Tide / height (m) | 10:00PM 2.81 | 10:22AM 3.02 | 11:07PM 2.75 | 11:28AM 2.91 | 12:11AM 2.77 | 12:32PM 2.87 | ||||||||||||||||||
Low Tide / height (m) | 3:37PM 0.81 | 3:52AM 1.03 | 4:40PM 0.94 | 4:59AM 1.12 | 5:43PM 1.00 | 6:06AM 1.12 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:37 | - | - | - | - | - | - | - | 8:38 | - | - | - | - | - | - | - | 8:40 | - |
| Sunset | 5:38 | - | - | - | - | - | - | - | 5:38 | - | - | - | - | - | - | - | 5:38 | - | - | - | - | - | - | - |
 |  | | | | |  | | | |  | | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 12 | 12 | 11 | 10 | 10 | 10 | 13 |
| Feels °C (?) | 16 | 12 | 12 | 11 | 11 | 11 | 12 | 12 | 11 | 12 | 13 | 11 | 11 | 11 | 11 | 12 | 12 | 11 | 11 | 10 | 8 | 8 | 8 | 11 |
- 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 Copacabana 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