Conditions at Aguieira in December
December: Midwinter Classic
December closes the year with another solid winter swell month. Average swell height is 1.7m (5.6ft) and period is 12.3s, placing it squarely in the powerful long-period class. WNW remains the engine at 27.1 percent, with NW and W at 16.8 percent and 16.3 percent; the SW and WSW components are stronger than earlier months, adding more southwesterly swell to the mix. The bigger 1.5-2.5m (5-8ft) bands are well filled, and the over-2.5m (8ft+) category begins to appear more regularly. Ideal offshore winds are at 30 percent - from S, SSW and SW - making December one of the most reliable months for quality winter surf. Conditions are cold and wet: water at 13.0°C, air averaging 9.6°C, and precipitation at 5.63 mm/day. Bundle up, bring the wave board, and let the Atlantic do its thing.
Average Spot conditions at Aguieira in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Aguieira 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 Aguieira for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Aguieira 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 Aguieira.