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Cardoso Surf Forecast
/ Santa Catarina – Sul (37 surf breaks) /
Surf Forecasts:
Cardoso surfForecast / Santa Catarina – Sul / Brazil
48hr Weather and Surf, issued 2 am Thursday 18 Sep 2025 -03
How big are the waves at Cardoso today?
The current surf forecast for Cardoso at 4AM is: 1.8m 10s primary swell from a East direction and 1.2m 12s secondary swell from a Southeast direction (forecast issued at 02:00am September 18). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 7ft (2.1m) | 10s |
| Afternoon (18 Sep) | 7ft (2.1m) | 10s |
| Evening (18 Sep) | 6.5ft (2.0m) | 10s |
Table - waves today at Cardoso. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 605 | 630 | 630 | 817 | 725 | 817 | 833 | 742 | 821 | 614 | 568 | 476 | 412 | 493 | 502 | 370 | 286 | 244 | 202 | 197 | 202 | 256 | 300 | 397 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross- off | cross- off | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross | glass | cross |
High Tide / height (m) | 1:58PM 0.67 | 11:34PM 0.51 | 2:04PM 0.63 | 12:02AM 0.59 | 1:45PM 0.61 | |||||||||||||||||||
Low Tide / height (m) | 6:06AM 0.04 | 6:59PM 0.34 | 6:47AM -0.00 | 7:20PM 0.30 | 7:23AM -0.01 | 7:43PM 0.26 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:08 | - | - | - | - | - | - | - | 6:08 | - | - | - | - | - | - | - | 6:09 | - |
 |  | |  | | | | | | |  |  |  | | | | | | | | | |  |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 |
| Temp. °C | 19 | 18 | 18 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 22 | 20 | 20 | 19 |
| Feels °C (?) | 18 | 17 | 17 | 18 | 17 | 17 | 16 | 17 | 17 | 18 | 18 | 17 | 18 | 18 | 18 | 19 | 20 | 21 | 21 | 21 | 22 | 21 | 22 | 20 |
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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 Cardoso (calm at Urussanga wx 49 km from Cardoso). 1.8m 10s swell from the E with a 1.0m 12s groundswell from the SE. 2 swells combining to make bigger set waves.
49 km away, 31 min ago
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