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Conditions at Port Mary in March
March: Late-Winter Consistency
March is the final strong month of the classic winter season. The average swell is a very solid 8.2ft (2.5m), with the period still holding at 11.3s. The data show an intense focus on the SW/WSW window, with SSW and S also frequent, making this southwest-facing spot extremely swell-hungry. Wave heights are concentrated in the 5-8ft (1.5-2.5m) range, so quality potential remains high. Ideal winds clock in at 37 percent, with NE and ENE offshores the most common good wind directions. The air begins to soften a little to 2.5°C, but the ocean is still winter-cold at 5.3°C, so the wetsuit stays thick. Precipitation drops to 5.56mm/day. March can alternate between crisp offshore days and messy SE/S-SSE flow, but when the window opens, the waves are firing.
Average Spot conditions at Port Mary in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Port Mary 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 Port Mary for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Port Mary 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 Port Mary.