Conditions at La Source in March
March: Strong Swells as the Ocean Starts to Transition
The average swell remains at around 7ft (2.2m), but the period backs off slightly to 12.4s, signaling the first step toward calmer spring weather. NNW (35.0%) and NW (27.3%) still dominate, with a healthy 9.4% WNW component and a modest 1.2% straight W swell. The wind is ideal for surfing 55% of the time; NNW and NW winds become more frequent, which are cross-offshore at La Source, while the NE/E offshore flow continues to clean things up. Air temps warm to 11-28°C, water temperature is 17.0°C, and rain dips to 0.80mm/day. This is still a prime month, but with a bit more variability.
Average Spot conditions at La Source in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at La Source during March. 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 March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at La Source for March. 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.