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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 2 pm Wednesday 20 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
20.5° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Rosa today?
The current surf forecast for Rosa at 9PM is: 3.0m 14s primary swell from a South direction and 2.4m 14s secondary swell from a South direction, 0.2m 7s secondary swell from a East-northeast direction (forecast issued at 02:00pm May 20). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | - | - |
| Afternoon (20 May) | 6ft (1.9m) | 13s |
| Evening (20 May) | 10ft (3.0m) | 14s |
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 Fri night. Very mild (max 17°C on Wed afternoon, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 13 | S 13 | S 14 | S 14 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | SSE 13 | SSE 13 | S 12 | |
946 | 1285 | 1710 | 3857 | 5229 | 5380 | 3987 | 4028 | 3622 | 3220 | 2637 | 2510 | 2814 | 2814 | 2570 | 2341 | 2125 | 2094 | 1813 | 1561 | 1379 | 1230 | 1075 | 855 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | off | off | off | glassy | cross-on | cross-on | glassy | cross-off | off | glassy | glassy | off | |
High Tide | 4:37PM0.49m | 9:41PM0.64m | 2:51AM0.54m | 9:34AM0.17m | 5:21PM0.43m | 10:38PM0.64m | 3:38AM0.55m | 10:13AM0.23m | 6:20PM0.38m | 11:24PM0.61m | 4:37AM0.53m | |||||||||||||
Low Tide | 11:17AM0.09m | 5:52PM0.48m | 1:04AM0.52m | 8:07AM0.16m | 12:23PM0.10m | 6:19PM0.42m | 1:53AM0.53m | 8:41AM0.21m | 1:28PM0.12m | 6:40PM0.38m | 2:39AM0.50m | |||||||||||||
 | |  | | | | | | | | | |  | |  | |  | | | |  | | |  | |
 | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — |
 | — | 5:30 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | 5:29 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 1 | 2 | |
Temp °C | 17 | 17 | 15 | 14 | 13 | 12 | 11 | 13 | 16 | 16 | 14 | 13 | 12 | 12 | 12 | 13 | 16 | 16 | 15 | 15 | 13 | 13 | 13 | 13 |
15 | 14 | 13 | 12 | 11 | 9 | 8 | 10 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 12 | 15 | 15 | 15 | 15 | 12 | 13 | 13 | 12 | |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 14 | S 14 | S 15 | S 16 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | SSE 13 | SSE 13 | S 12 |
 kJ | 946 | 1285 | 1710 | 2412 | 3592 | 4089 | 3987 | 4028 | 3622 | 3220 | 2637 | 2510 | 2814 | 2814 | 2570 | 2341 | 2125 | 2094 | 1813 | 1561 | 1379 | 1230 | 1075 | 855 |
Swell 2 Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 9 | E 9 | E 9 | E 5 |
| kJ | 10 | 9 | 9 | 5 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 7 | 7 | 20 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 14 | S 15 | S 15 | — | — | — | — | — | — | — | — | — | — | — | — | E 4 | — | — | — | — | — |
| kJ | — | — | — | 3857 | 5229 | 5380 | — | — | — | — | — | — | — | — | — | — | — | — | 17 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 0 | 2 | 2 | 2 | 2 | 2 | 7 | 24 | 2 | 0 | 0 | 0 | 0 | 0 | 23 | 24 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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