Conditions at Cabedelo do Douro in December
December: Peak Season, Peak Consistency
December shares top billing with January as the most consistent surf month of the year. The average swell height is 5.6ft (1.7m), the average period is 12.3s, and the wind is favourable 47 percent of the time. The dominant swell directions are perfect for the west-facing beach: WNW 38.5 percent, NW 20.7 percent, W 18.7 percent and WSW 5.5 percent, producing steady lines of powerful groundswell across the 3.3-8.2ft (1-2.5m) range. With long periods in the 12s, Cabedelo's sandbars can groom the heavy WNW energy into proper barrels when the sand is right.
December is also statistically the best month for offshore easterly winds, with E at 13.3 percent, ESE at 9.2 percent and ENE at 7.3 percent, giving frequent clean, glassy conditions between Atlantic frontal systems. The cost is winter: air temperatures average 11.3°C, water 13.9°C and precipitation 4.37mm/day. If you can handle the cold and the storms, this is the month Cabedelo delivers its heaviest, most memorable surf of the year.
Average Spot conditions at Cabedelo do Douro in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Cabedelo do Douro 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 Cabedelo do Douro for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cabedelo do Douro 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 Cabedelo do Douro.