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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 Thursday 18 Sep 2025 -03
How big are the waves at Rosa today?
The current surf forecast for Rosa at 9AM is: 1.8m 10s primary swell from a East direction and 1.1m 12s secondary swell from a Southeast direction (forecast issued at 08:00am September 18). The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 6ft (1.8m) | 10s |
| Afternoon (18 Sep) | 6ft (1.8m) | 10s |
| Evening (18 Sep) | 6ft (1.8m) | 10s |
Table - waves today at Rosa. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 650 | 663 | 669 | 666 | 653 | 630 | 618 | 529 | 481 | 461 | 463 | 477 | 408 | 293 | 250 | 235 | 202 | 195 | 235 | 341 | 436 | 495 | 452 | 385 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- on | on | on | cross | glass | cross- off | cross |
High Tide / height (m) | 2:01PM 0.67 | 11:43PM 0.51 | 2:08PM 0.63 | 12:06AM 0.59 | 1:45PM 0.60 | 12:37AM 0.66 | ||||||||||||||||||
Low Tide / height (m) | 6:05AM 0.03 | 6:55PM 0.33 | 6:47AM -0.02 | 7:18PM 0.29 | 7:24AM -0.03 | 7:43PM 0.25 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
| Sunrise | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:08 | - | - | - | - | - | - | - | 6:08 | - | - | - |
 |  |  | | | | | |  |  | | | |  | | | | | | | |  | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | 1 |
| Temp. °C | 18 | 20 | 22 | 22 | 19 | 19 | 19 | 18 | 18 | 21 | 24 | 24 | 21 | 19 | 19 | 19 | 19 | 24 | 25 | 23 | 20 | 20 | 19 | 19 |
| Feels °C (?) | 18 | 20 | 21 | 20 | 18 | 19 | 19 | 18 | 19 | 21 | 22 | 22 | 20 | 19 | 19 | 19 | 19 | 25 | 25 | 23 | 21 | 23 | 21 | 18 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Santa Catarina - Sul
Continuing clean conditions at Rosa (calm at Florianopolis Airport 52 km from Rosa). 1.9m 10s swell from the E with a 1.0m 12s groundswell from the SE. 2 swells combining to make bigger set waves.
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