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Surf Forecasts:
Rosa surfForecast / Santa Catarina – Sul / Brazil
48hr Weather and Surf, issued 8 am Wednesday 10 Dec 2025 -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
22.4° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Rosa today?
The current surf forecast for Rosa at 11AM is: 2.3m 9s primary swell from a Northeast direction and 1.9m 9s secondary swell from a East-northeast direction, 0.6m 9s secondary swell from a Southeast direction (forecast issued at 08:00am December 10). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 7.5ft (2.3m) | 9s |
| Afternoon (10 Dec) | 5.5ft (1.7m) | 9s |
| Evening (10 Dec) | 7ft (2.1m) | 8s |
Table - waves today at Rosa. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Sat 13 | |||||||||||||||||||||
| 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) (?) | 8 | 9 | 9 | 9 | 10 | 8 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 567 | 772 | 523 | 490 | 517 | 579 | 3371 | 2360 | 2991 | 2716 | 2713 | 3413 | 3637 | 3643 | 1835 | 1492 | 1253 | 1010 | 831 | 721 | 634 | 500 | 442 | 373 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross | cross | off | off | cross- off | cross- off | cross- on | cross- on | cross- on | cross | cross | cross | cross |
High Tide / height (m) | 5:02AM 0.43 | 10:45AM 0.55 | 4:02PM 0.58 | 9:46PM 0.24 | 5:42AM 0.41 | 11:25AM 0.52 | 4:59PM 0.55 | 10:34PM 0.30 | 6:32AM 0.40 | 11:54AM 0.48 | 6:08PM 0.50 | 11:11PM 0.36 | ||||||||||||
Low Tide / height (m) | 6:57AM 0.40 | 1:13PM 0.50 | 9:24PM 0.24 | 1:17AM 0.14 | 7:42AM 0.38 | 2:01PM 0.46 | 9:47PM 0.30 | 2:16AM 0.19 | 8:27AM 0.38 | 2:54PM 0.40 | 10:16PM 0.36 | |||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Sat 13 | |||||||||||||||||||||
| Sunrise | 5:09 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:02 | - | - | - | - | - | - | - | 7:04 | - | - | - | - | - | - | - | 7:05 | - | - | - |
 |  | | |  |  |  | |  | | | | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 25 | 27 | 27 | 21 | 21 | 20 | 19 | 19 | 25 | 28 | 27 | 24 | 21 | 20 | 19 | 20 | 25 | 27 | 26 | 25 | 23 | 23 | 22 |
| Feels °C (?) | 22 | 26 | 27 | 25 | 21 | 20 | 18 | 17 | 18 | 23 | 26 | 24 | 23 | 22 | 21 | 19 | 20 | 25 | 27 | 27 | 27 | 24 | 24 | 21 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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