- Forecast
- Maps
- Live
- Weather State
- Spot Information
Rosa Surf Forecast
/ Santa Catarina – Sul (37 surf breaks) /
Surf Forecasts:
Rosa surfForecast / Santa Catarina – Sul / Brazil
48hr Weather and Surf, issued 2 am Monday 18 May 2026 -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
20.8° C
(Which is slightly cooler than normal)How big are the waves at Rosa today?
The current surf forecast for Rosa at 6AM is: 1.2m 6s primary swell from a South direction and 0.6m 10s secondary swell from a South direction, 0.3m 15s secondary swell from a South-southeast direction (forecast issued at 02:00am May 18). The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 4.5ft (1.4m) | 6s |
| Afternoon (18 May) | 5ft (1.5m) | 6s |
| Evening (18 May) | 6ft (1.9m) | 7s |
Table - waves today at Rosa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 14mm), heaviest on Mon morning. Very mild (max 17°C on Tue morning, min 12°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
S 10 | S 10 | S 6 | S 6 | SSE 14 | S 6 | S 7 | S 7 | S 7 | S 7 | S 13 | S 14 | S 16 | SSE 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 14 | |
90 | 90 | 104 | 144 | 62 | 188 | 297 | 357 | 522 | 445 | 1018 | 1744 | 2667 | 2795 | 2247 | 1779 | 1343 | 1127 | 852 | 826 | 852 | 1155 | 1735 | 2974 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | glassy | off | off | glassy | cross-off | cross | cross-on | cross-off | cross-off | |
High Tide | 1:32AM0.45m | 3:19PM0.63m | 6:30PM0.60m | 1:50AM0.48m | 3:58PM0.57m | 8:30PM0.62m | 2:16AM0.51m | 8:39AM0.13m | 4:37PM0.49m | |||||||||||||||
Low Tide | 9:25AM0.07m | 5:58PM0.60m | 11:14PM0.40m | 10:16AM0.07m | 5:34PM0.55m | 00:10AM0.47m | 7:42AM0.13m | 11:17AM0.09m | 5:52PM0.48m | |||||||||||||||
 |  |  |  | | | | | |  |  |  | |  | | | | | | | | | | | |
 | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — |
 | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — |
— | 3 | 6 | 5 | 3 | 3 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 17 | 16 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 13 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 14 | 17 | 17 | 15 | 14 |
17 | 16 | 16 | 13 | 10 | 11 | 10 | 10 | 10 | 10 | 9 | 10 | 15 | 14 | 15 | 14 | 12 | 11 | 11 | 14 | 16 | 15 | 13 | 12 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 9 | S 9 | S 9 | S 13 | S 12 | S 7 | S 7 | S 13 | S 14 | S 16 | SSE 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 14 |
 kJ | 90 | 90 | 65 | 62 | 58 | 55 | 51 | 47 | 340 | 287 | 1018 | 1332 | 2667 | 2795 | 2247 | 1779 | 1343 | 1127 | 852 | 826 | 852 | 1155 | 1735 | 2313 |
Swell 2 Height (m) Direction Period (s) | ENE 7 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | S 13 | SSE 16 | SSE 16 | S 12 | S 14 | ESE 6 | SSE 18 | ESE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 5 | 23 | 43 | 41 | 62 | 55 | 26 | 50 | 45 | 198 | 33 | 582 | 28 | 17 | 17 | 17 | 16 | 10 | 11 | 17 | 18 | 17 | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | SSE 16 | ENE 7 | E 7 | E 7 | E 7 | S 17 | SE 11 | SE 11 | SSE 15 | SE 20 | SSE 19 | ESE 6 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 25 | 5 | 4 | 1 | 1 | 6 | 5 | 5 | 44 | 98 | 312 | 33 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 4 | S 5 | S 6 | S 6 | S 6 | S 6 | S 7 | S 7 | S 7 | S 7 | SSW 7 | S 14 | — | — | — | — | — | — | — | — | — | — | S 12 | S 14 |
| kJ | 17 | 37 | 104 | 144 | 160 | 188 | 297 | 357 | 522 | 445 | 276 | 1744 | — | — | — | — | — | — | — | — | — | — | 1103 | 2974 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 4 | 7 | 7 | 2 | 7 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 2 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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