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:
Itapema - Sul surfForecast / Santa Catarina – Norte / Brazil
48hr Weather and Surf, issued 2 am Tuesday 16 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Itapema - Sul surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Itapema - Sul sea temperature is
24.8° C
(Which is slightly warmer than usual)Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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 | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 8 | 7 | 7 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 8 | 8 | 8 | 11 | 8 | 8 | 2 | 3 | 3 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 7 | 12 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | off | cross- off | off | off | off | off | cross- off | cross- off | off | cross- off | cross- off | cross | cross | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 11:11PM 0.71 | 11:14AM 0.66 | 11:51PM 0.73 | 11:49AM 0.69 | 12:39AM 0.76 | 12:33PM 0.71 | ||||||||||||||||||
Low Tide / height (m) | 6:23AM 0.24 | 6:32PM 0.14 | 7:14AM 0.23 | 7:21PM 0.09 | 8:05AM 0.21 | 8:10PM 0.06 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | 5:13 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:06 | - |
 |  |  | | |  | |  |  | |  | | | | | | | |  | | | | | | |
Rain (mm) | 1 | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 24 | 26 | 24 | 23 | 23 | 21 | 20 | 18 | 17 | 20 | 22 | 22 | 22 | 21 | 20 | 20 | 20 | 22 | 24 | 23 | 22 | 21 |
| Feels °C (?) | 28 | 28 | 28 | 27 | 22 | 19 | 18 | 15 | 16 | 16 | 16 | 18 | 19 | 19 | 20 | 20 | 19 | 20 | 20 | 22 | 22 | 20 | 20 | 20 |
- 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 Itapema - Sul 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