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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 pm 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 1AM is: 0.7m 10s primary swell from a South direction and 0.2m 7s secondary swell from a East-northeast direction (forecast issued at 08:00pm May 17). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5ft (1.5m) | 6s |
| Afternoon (18 May) | 4.5ft (1.4m) | 6s |
| Evening (18 May) | 5.5ft (1.7m) | 7s |
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. Very mild (max 17°C on Sun night, min 12°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wednesday 20 | |||||||||||||||||||||
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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 10 | S 10 | S 10 | S 10 | SSE 6 | S 6 | S 6 | S 6 | S 6 | S 7 | S 7 | SSW 7 | S 13 | S 17 | S 16 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | |
125 | 122 | 90 | 90 | 130 | 176 | 139 | 129 | 176 | 303 | 524 | 365 | 1018 | 2642 | 2667 | 2502 | 2218 | 1779 | 1509 | 1127 | 852 | 726 | 839 | 1016 | |
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-off | cross-off | cross | glassy | glassy | off | off | off | cross-off | cross | cross-on | |
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 | ||||||||||||||||
Low Tide | 10:16PM0.32m | 9:25AM0.07m | 5:58PM0.60m | 11:14PM0.40m | 10:16AM0.07m | 5:34PM0.55m | 00:10AM0.47m | 7:42AM0.13m | 11:17AM0.09m | |||||||||||||||
 | |  | |  |  | | | | | | |  |  | |  |  | | | | | | | | |
 | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — |
 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — | — | 5:30 |
1 | 1 | — | 3 | 9 | 5 | 3 | 2 | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 17 | 17 | 17 | 16 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 14 | 17 | 17 |
18 | 16 | 16 | 16 | 16 | 13 | 9 | 10 | 9 | 10 | 10 | 11 | 11 | 10 | 15 | 14 | 15 | 14 | 12 | 11 | 11 | 13 | 16 | 16 | |
Swell 1 Height (m) Direction Period (s) | S 10 | S 10 | S 10 | S 10 | S 10 | SSE 14 | S 9 | S 9 | S 9 | SE 6 | S 7 | S 7 | S 13 | S 17 | S 16 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 |
 kJ | 125 | 122 | 90 | 90 | 65 | 41 | 58 | 56 | 55 | 56 | 368 | 261 | 1018 | 2642 | 2667 | 2502 | 2218 | 1779 | 1509 | 1127 | 852 | 726 | 839 | 1016 |
Swell 2 Height (m) Direction Period (s) | ESE 4 | ENE 7 | ENE 7 | SSE 15 | SSE 15 | E 7 | SSE 14 | S 13 | S 13 | S 12 | S 12 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | ENE 7 |
| kJ | 2 | 5 | 5 | 23 | 43 | 1 | 62 | 55 | 51 | 47 | 45 | 44 | 33 | 33 | 28 | 29 | 21 | 19 | 19 | 18 | 18 | 17 | 17 | 17 |
Swell 3 Height (m) Direction Period (s) | ENE 5 | SE 16 | SSE 16 | ENE 7 | E 7 | SE 11 | SE 11 | S 17 | SSE 16 | SSE 16 | SSE 15 | S 14 | SSE 19 | E 11 | — | — | E 8 | E 8 | — | — | ENE 8 | — | — | — |
| kJ | 3 | 11 | 25 | 5 | 1 | 5 | 5 | 6 | 26 | 50 | 44 | 198 | 315 | 2 | — | — | 11 | 11 | — | — | 11 | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 2 | S 4 | S 4 | S 5 | SSE 6 | S 6 | S 6 | S 6 | S 6 | S 7 | S 7 | SSW 7 | SSW 7 | S 13 | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 9 | 13 | 42 | 130 | 176 | 139 | 129 | 176 | 303 | 524 | 365 | 269 | 1736 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 2 | 0 | 24 | 2 | 2 | 29 | 4 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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