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Rosa Surf Forecast
/ Santa Catarina – Sul (37 surf breaks) /
Surf Forecasts:
Rosa surfForecast / Santa Catarina – Sul / Brazil
48hr Weather and Surf, issued 8 am Sunday 17 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
21.1° C
(Which is slightly cooler than normal)How big are the waves at Rosa today?
The current surf forecast for Rosa at 1PM is: 0.9m 10s primary swell from a South direction and 0.2m 5s secondary swell from a East-southeast direction (forecast issued at 08:00am May 17). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 3.5ft (1.0m) | 10s |
| Afternoon (17 May) | 3ft (0.9m) | 10s |
| Evening (17 May) | 2.5ft (0.8m) | 10s |
Table - waves today at Rosa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 28mm), heaviest during Sun night. Warm (max 21°C on Sun morning, min 13°C on Mon afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 12 AM | 3 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 6 | SSE 7 | SE 6 | SE 6 | S 6 | S 7 | S 7 | S 7 | S 14 | S 17 | S 16 | S 15 | S 14 | S 14 | S 14 | S 13 | |
259 | 206 | 161 | 158 | 125 | 121 | 90 | 223 | 182 | 214 | 103 | 91 | 253 | 378 | 352 | 447 | 436 | 2611 | 2864 | 2647 | 2407 | 2125 | 1487 | 1285 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | 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-off | cross-off | cross | cross | cross-off | cross-off | off | |
High Tide | 2:40PM0.68m | 1:32AM0.45m | 3:19PM0.63m | 6:30PM0.60m | 1:50AM0.48m | 3:58PM0.57m | 8:30PM0.62m | 2:16AM0.51m | ||||||||||||||||
Low Tide | 8:42AM0.09m | 10:16PM0.32m | 9:25AM0.07m | 5:58PM0.60m | 11:14PM0.40m | 10:16AM0.07m | 5:34PM0.55m | 00:10AM0.47m | ||||||||||||||||
 |  | |  |  | | | |  |  | | | | | |  |  | | | | | | | | |
 | 6:48 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | 6:50 |
 | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | 5:30 |
— | — | — | — | 1 | 3 | 1 | 3 | 6 | 5 | 1 | 3 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 18 | 21 | 19 | 18 | 18 | 17 | 17 | 17 | 16 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 17 | 16 | 15 | 15 | 13 | 13 |
18 | 18 | 22 | 19 | 18 | 18 | 16 | 16 | 16 | 13 | 10 | 10 | 9 | 10 | 10 | 10 | 11 | 12 | 15 | 14 | 14 | 14 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 15 | S 10 | S 10 | SE 6 | SE 6 | S 13 | S 12 | S 12 | S 7 | S 7 | S 17 | S 16 | S 15 | S 14 | S 14 | S 14 | S 13 |
 kJ | 259 | 206 | 161 | 158 | 125 | 121 | 90 | 23 | 65 | 46 | 103 | 91 | 52 | 47 | 45 | 303 | 195 | 2611 | 2864 | 2647 | 2407 | 2125 | 1487 | 1285 |
Swell 2 Height (m) Direction Period (s) | ENE 7 | ENE 7 | ESE 5 | ESE 5 | ESE 4 | ENE 7 | ENE 7 | ENE 7 | SSE 15 | SSE 14 | S 9 | S 9 | SSE 16 | SSE 16 | SSE 15 | ESE 6 | S 14 | ESE 6 | ESE 6 | E 6 | E 6 | E 6 | E 6 | E 6 |
| kJ | 5 | 5 | 2 | 2 | 2 | 5 | 5 | 5 | 43 | 41 | 58 | 57 | 26 | 50 | 44 | 42 | 436 | 39 | 29 | 26 | 18 | 18 | 17 | 17 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | ENE 7 | ENE 6 | ENE 5 | SE 16 | SSE 16 | SE 11 | E 7 | E 6 | SSE 14 | SSE 13 | SE 11 | — | SE 21 | S 14 | ESE 6 | E 11 | — | — | — | ENE 8 | ENE 7 | — |
| kJ | 6 | 6 | 5 | 3 | 3 | 11 | 25 | 5 | 1 | 1 | 62 | 58 | 5 | — | 18 | 148 | 36 | 2 | — | — | — | 6 | 11 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 3 | S 4 | S 4 | S 10 | S 6 | SSE 7 | SSW 6 | SSW 6 | S 6 | S 7 | S 7 | S 7 | SSW 7 | S 14 | — | — | — | — | — | — |
| kJ | — | — | — | — | 2 | 16 | 13 | 223 | 182 | 214 | 53 | 59 | 253 | 378 | 352 | 447 | 319 | 1814 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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