Conditions at Sunzal in December
December: The Cleanest Surf Month of the Year
December is the ultimate quality-over-quantity month at Sunzal. Average swell height is around 3-4ft (1.0m) with a 12.2s period, but the swell direction is ideal: SSW 63.4%, S 22.7% and SW 5.5%. The 2-3ft (0.5-1m) range is the most common, while a solid 37% of waves reach the 3-5ft (1-1.5m) fun zone.
What really sets December apart is wind. NNE leads with 31.5% of observations, supported by NNW (11.4%), NE (9.8%) and NW (7.1%), giving the month a 70% ideal-wind score-the best of the year. Rain is nearly absent at 0.30 mm/day, water temperature sits at 28.4°C, and air temps stay warm but pleasant. It is the perfect month for getting Sunzal at its cleanest, with long-period energy wrapping in under bluebird skies.
Average Spot conditions at Sunzal in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Sunzal 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 Sunzal for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sunzal 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 Sunzal.