Conditions at Zambujeira do Mar in December
December: Peak Winter Consistency
December crowns the winter season. Average swell is 2.4m (8ft), period 12.7s, and ideal wind numbers peak at 47%, the highest of the year. Swell direction is a mix of NW (25.1%), WNW (16.8%), NNW (8.2%), W (5.7%) and even WSW (2.5%), reflecting the active storm tracks.
The wind rose shows a strong continental influence - ENE 9.2%, NE 8.5%, NNE 8.4% and E 8.2% - which often translates into clean, offshore or light-wind days. Water temperature is 16.1°C, average air temperature is 12.2°C, and rainfall is high at 2.64mm/day. Expect heavy, pumping, long-period swell and some of the best surf of the entire year.
Average Spot conditions at Zambujeira do Mar in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Zambujeira do Mar 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 Zambujeira do Mar for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Zambujeira do Mar 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 Zambujeira do Mar.