Conditions at Banzai in December
December: Peak Season Locks In
December is statistically the best month of the year at Banzai. Average wave height peaks at 3.5ft (1.0m), average period holds at 5.2s, and ideal wind reaches its annual maximum of 22%. The swell distribution is a textbook mix for this spot: SW (12.8%), WSW (11.2%), SSE (10.8%), S (8.6%), and SSW (7.2%). The wind rose is dominated by NNE (15.5%) and NE (14.9%), with N adding another 5.3%, so the offshore flow is both frequent and reliable. Strong pressure gradients between central European high pressure and Mediterranean lows produce the classic northeastern outflow that grooms Banzai into clean, organized peaks. Water temp is 14.6°C, air temp averages 11.1°C, and precipitation is 2.87mm/day. December is the month to plan your trip around.
Average Spot conditions at Banzai in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Banzai 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 Banzai for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Banzai 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 Banzai.