Conditions at Molhe Leste in December
December: Peak Winter Tension
December is the peak of the Portuguese winter. Swell averages 2.7m (9ft) with a 12.8s period, and the largest surf often arrives from the NW/WNW quadrant, with a noticeably stronger W component than in summer. The wind pattern is split: an active ESE/E flow (nearly 20%) competes with offshore NNE/N winds, meaning you often need to pick protected windows. But when a big W-SW groundswell coincides with an offshore N/NE breeze, Molhe Leste serves up powerful, grinding waves. Water temps drop to 15.0°C, air averages 13°C, and the year ends with the Atlantic in full fury.
Average Spot conditions at Molhe Leste in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Molhe Leste 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 Molhe Leste for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Molhe Leste 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 Molhe Leste.