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Conditions at Pichilemu in March
March: Autumn's Cleanest Window
March quietly becomes the statistical sweet spot for wave quality. Average swell height is still 1.6m (5.2ft), but the wave period peaks at 13.0s - the longest of the year - meaning more groundswell power per wave face. The swell direction remains firmly anchored in the WSW (70.6%) with an important SW contribution at 18.7%, and the height distribution is beautifully concentrated between 1-2m (3.3-6.6ft). What really sets March apart is the wind: ideal offshore conditions clock in at an excellent 75% of the time, the highest value of any month. S/SSW/SW winds dominate the wind rose, while N/NNW onshore winds stay scarce. With 17.4°C air, 13.8°C water and just 0.24mm/day of rain, March delivers the full package of clean, rippable, long-period surf.
Average Spot conditions at Pichilemu in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Pichilemu 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 Pichilemu for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Pichilemu 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 Pichilemu.