Conditions at Jardins do Mar in December
December: Peak Winter Power
December is the crown jewel of the winter season. Average swell height is 8.2ft (2.5m) with a commanding 12.6s period, and the North Atlantic delivers some of its most impressive swell trains of the year. Directional data shows the now-familiar NNW (19.9%) and NW (14.5%) dominance, but WNW jumps to 6.7% and the W/WSW/SW/SSW mix totals nearly 3.5%-the largest optimals window of the year. The wind rose is more spread out, with NE (14.8%), NNE (11.7%), and E (5.7%) alongside an ideal offshore window of 41%. Water temp has cooled to 19.9°C, air temps average 18.8°C (min 15.1°C, max 21.9°C), and precipitation peaks at 1.70 mm/day. If you want to see Jardins do Mar at full power, December is the time to be there-just bring a solid quiver and the nerve for big, fast waves.
Average Spot conditions at Jardins do Mar in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Jardins 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 Jardins do Mar for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Jardins 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 Jardins do Mar.