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Conditions at Acapulco in December
December: The Glory Window Begins
December caps the year with the highest ideal-wind percentage of any month at 58%, and it is easy to see why Acapulco's winter reputation is built on this setup. Average swell height is a modest 3ft (0.9m), but the 13.1s average period means the waves have real longevity and push. Swell directions are dominated by SSW (74.8%) and SW (19.7%), with only small contributions from S and WSW; essentially the entire wave window is focused right into the S-facing bay. The 0.5-1m (2-3ft) class accounts for the majority of the surf, while the 1-1.5m (3-5ft) class adds around 22.7%.
Winds are superb for grooming: N/NNE/NE/NNW offshore directions are common, and the W/WNW/NW flow is generally light enough to keep surfaces smooth. The dry season is firmly entrenched, with only 0.15mm/day of rain and sunny skies averaging 24.8°C. Water temperature remains pleasant at 29.0°C. December is the definition of consistency at Acapulco -- not the biggest, but clean, fun and dependable day after day.
Average Spot conditions at Acapulco in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Acapulco 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 Acapulco for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Acapulco 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 Acapulco.