Conditions at Paul do Mar in December
December: Winter Solstice Swells
December rounds out the year at full volume. The ocean averages 2.5m (8ft) with a 12.6s period, matching the punch of February. The wave rose shows a more balanced mix than mid-winter: NNW drops to 19.9%, NW to 14.5%, with W at 2.0% and WSW at 0.9% - the highest total of SSW-SW-WSW-W energy of any month. That makes December one of the best statistical windows for Paul do Mar to see both size and direction. The trade-off is wind: ideal offshore conditions still occur 41% of the time, but the surface is frequently disturbed by post-frontal westerlies and the average rainfall maxes out at 1.52mm/day. Air temps average 18.6°C (14.5-21.7°C) and water drops to 19.9°C. It is a fitting end to the year: powerful, demanding super-sessions for the well-prepared.
Average Spot conditions at Paul do Mar in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Paul 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 Paul do Mar for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Paul 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 Paul do Mar.