Conditions at La Source in December
December: Winter Solstice Sends Full Power South
December solidifies the winter pattern with an average swell of around 7ft (2.1m) and a long-period average of 12.9s. The swell rose spreads out a little more: NNW 31.7%, NW 27.9%, WNW 12.0%, and W 1.9% - the greatest west contribution of the year, which is the ideal direction for La Source. Ideal wind tops out at 64%, and the E/ENE offshore flow is highly reliable, producing some of the best surface conditions of the year. Air temps are 11-24°C, water temperature is 17.6°C, and rainfall is 1.10mm/day. If you are chasing heavy, long-period swell with clean offshore wind, winter has arrived in full force.
Average Spot conditions at La Source in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at La Source 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 La Source for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at La Source 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 La Source.