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.
Surf Forecasts:
Rosa surfForecast / Santa Catarina – Sul / Brazil
48hr Weather and Surf, issued 2 am Saturday 06 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Rosa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rosa sea temperature is
21.8° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Rosa today?
The current surf forecast for Rosa at 5AM is: 0.8m 8s primary swell from a East-southeast direction and 0.2m 7s secondary swell from a South direction, 1.0m 5s secondary swell from a Northeast direction (forecast issued at 02:00am December 06). The wind direction is predicted to be cross-shore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Dec) | 2.5ft (0.7m) | 8s |
| Afternoon (06 Dec) | 5ft (1.6m) | 6s |
| Evening (06 Dec) | 4.5ft (1.3m) | 5s |
Table - waves today at Rosa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 06 | Sunday 07 | Monday 08 | ||||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 5 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 75 | 73 | 54 | 53 | 92 | 144 | 131 | 103 | 94 | 103 | 99 | 99 | 96 | 115 | 96 | 80 | 75 | 116 | 106 | 78 | 76 | 100 | 88 | 80 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 1:15PM 0.49 | 3:36AM 0.59 | 7:23AM 0.62 | 1:46PM 0.54 | 3:59AM 0.53 | 8:46AM 0.60 | 2:25PM 0.58 | |||||||||||||||||
Low Tide / height (m) | 10:27AM 0.40 | 9:34PM 0.02 | 4:55AM 0.58 | 11:10AM 0.47 | 10:26PM 0.04 | 5:30AM 0.51 | 11:50AM 0.51 | |||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | ||||||||||||||||||||||
| Sunrise | - | - | 5:09 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:01 | - |
 | |  | | | |  |  | |  |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 19 | 25 | 28 | 26 | 23 | 21 | 20 | 20 | 20 | 26 | 29 | 28 | 25 | 22 | 21 | 20 | 20 | 25 | 27 | 27 | 25 | 22 |
| Feels °C (?) | 18 | 18 | 18 | 23 | 26 | 24 | 22 | 20 | 19 | 19 | 19 | 25 | 28 | 28 | 26 | 23 | 21 | 21 | 21 | 26 | 26 | 26 | 25 | 22 |
- 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
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.
5 Reasons Why Costa Rica Is A Surfer (and Non Surfer) Paradise
With or without a surfboard, Costa Rica is a bucket list destination that has shown what a nation is capable of when nature is put first.
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 Rosa 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