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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 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 4AM is: 3.5m 15s primary swell from a South direction and 3.0m 15s secondary swell from a South direction (forecast issued at 08:00pm 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 (21 May) | 10ft (3.0m) | 14s |
| Afternoon (21 May) | 10ft (3.0m) | 14s |
| Evening (21 May) | 8ft (2.5m) | 14s |
Table - waves today at Rosa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Fri night. Very mild (max 16°C on Thu morning, min 11°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||||||||
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 14 | S 14 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | 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 | S 12 | S 12 | |
1710 | 3622 | 5258 | 5380 | 3987 | 3972 | 3809 | 3128 | 2817 | 2702 | 3029 | 2814 | 2775 | 2534 | 2308 | 2094 | 1813 | 1561 | 1379 | 1230 | 1221 | 841 | 722 | 546 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | off | off | cross-off | cross-off | cross | cross-on | glassy | cross-off | cross-off | glassy | glassy | cross-off | cross-off | cross | |
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 | 10:46AM0.29m | ||||||||||||
Low Tide | 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 | 9:19AM0.28m | 2:31PM0.14m | ||||||||||||
 | | | | |  | | | | |  | |  |  |  | | | |  | | | | | | |
 | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — |
 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:29 | — | — | — | — | — | — | — | 5:29 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 3 | 1 | — | — | — | |
Temp °C | 15 | 14 | 13 | 12 | 11 | 13 | 16 | 16 | 14 | 13 | 12 | 12 | 12 | 13 | 16 | 16 | 16 | 15 | 13 | 12 | 13 | 13 | 15 | 16 |
13 | 12 | 11 | 9 | 8 | 9 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 11 | 15 | 15 | 17 | 14 | 12 | 11 | 13 | 12 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 15 | S 16 | S 15 | S 14 | S 14 | S 14 | S 13 | 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 | S 12 | S 12 |
 kJ | 1710 | 2412 | 3343 | 4089 | 3987 | 3972 | 3809 | 3128 | 2817 | 2702 | 3029 | 2814 | 2775 | 2534 | 2308 | 2094 | 1813 | 1561 | 1379 | 1230 | 1221 | 841 | 722 | 546 |
Swell 2 Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 9 | E 9 | E 6 | E 6 | E 6 |
| kJ | 9 | 5 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 50 | 67 | 106 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | E 10 | SE 6 | S 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 18 | 20 |
Wind waves Height (m) Direction Period (s) | — | S 14 | S 15 | S 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3622 | 5258 | 5380 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 2 | 2 | 2 | 2 | 2 | 7 | 24 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
Best forecast wave conditions in Santa Catarina - Sul | ||||||||||||||||||||||||
Best forecast wave conditions in Brazil | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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