Conditions at Santa Catarina in October
October: The Autumn Transition Begins
October is when Santa Catarina starts to turn serious. Average swell height jumps to 8ft (2.5m), average period stretches to 11.2s, and the Atlantic low-pressure track reinstates itself after a quiet summer. NNW at 18.4%, NW at 10.4% and WNW at 6.1% are the dominant swell directions, with the N-NE quadrant contributing NNE at 4.8%, NE at 3.9% and N at 3.8%. Energy sits mostly in the 5-8ft (1.5-2.5m) range, with the first well-overhead swells of the season appearing. Wind is the limiting factor: SW at 8.8%, WSW at 7.8% and W at 7.2% blow offshore, but ideal conditions drop to 14% as frontal winds strengthen. The water is still warm at 20.8°C (69°F), air temps average 20.1°C (68°F), and precipitation rises to 2.63mm/day. Keep a close eye on the charts, because October delivers some of the best combination of warm water and new-season power.
Average Spot conditions at Santa Catarina in October
Swell history for October
Wind history for October
Swell quality
Analyze the groundswell consistency at Santa Catarina during October. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Santa Catarina for your next trip in October.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Santa Catarina for October. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Santa Catarina.