Conditions at Calais in March
March: The Spring Shift
March is a transitional month. The average swell height eases to about 3ft (0.9m), but the N/NNE/NW/NNW window becomes better defined as NNE-generated waves jump to 13.3%. The wind field is a tug-of-war between still-dominant SW (16.0%) and increasing NE/NNE winds, mixing fresh spring windswell with the fading winter swells. The period stays stuck near 5.2s, limiting power and shape. Water temperature is still cold at 7.6°C, air averages 6.8°C, and the drier trend continues at 1.57 mm/day. Cleaner moments arrive when a southeast or south wind interrupts the westerly flow.
Average Spot conditions at Calais in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Calais 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 Calais for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Calais 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 Calais.