Conditions at Porto Batel in December
December: High-Consistency Winter Classic
December closes the year in full winter mode. Average swell height is 9ft (2.7m) with a long-period average of 12.8s, and ideal wind is 44% - tied for the best of the year. The North Atlantic storm track is in full force, sending consistent waves across the spectrum from clean head-high sets to rare XL bombs. The wave rose shows NW at 18.6%, WNW at 13.2%, NNW at 10.4% and W at 5.5%, with WSW at 2.7% and SW at 1.1% also contributing. Compared to November, the wind is more manageable, and there are longer windows of groomed, offshore surf between fronts. Water temperature is 15.0°C and air averages 13.0°C. For dependable, powerful surf, December is hard to beat - a classic winter month along the Portuguese coast.
Average Spot conditions at Porto Batel in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Porto Batel 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 Porto Batel for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Porto Batel 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 Porto Batel.