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Conditions at Zipolite in December
December: The Winter Minimum
December closes the year at the low point of the south swell calendar. Average surf height slips to 1.2m (4ft), period drops to 12.1s, and the swell spectrum gets muddier. SSW remains the leading direction at 32.6% and S at 20.9%, but ENE, E, ESE, SE and SSE now combine for nearly 40% of all waves, most of which fail to focus cleanly on the south-facing beach. Ideal wind is still good at 63%, with NNW flow prominent, so the small days remain remarkably clean and rideable. Air temps average 27.5°C, water has cooled slightly to 27.4°C, and precipitation is a negligible 0.13mm/day. If you time a southern hemi pulse, there are still fun shoulder-high waves, but the winter months are best left for the rock-fishing crew and longboarders.
Average Spot conditions at Zipolite in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Zipolite during December. 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 Zipolite for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Zipolite for December. 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 Zipolite.