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Conditions at La Lancha in May
May: The Southwest Swell Machine Starts to Hum
May is the first true transition month. The average swell height is 3.5ft (1.1m), the period is a strong 14.0s, and the swell direction has fully shifted to the southwest: SW 43%, WSW 46%, with a growing SSW component. This is about as direct a swell angle as La Lancha can get. The ocean is still packing enough long-period groundswell to produce fun waves, especially on the better tides. But winds are no longer as reliable as winter: ideal offshore flow drops to 79% as the North Pacific high weakens and afternoon sea breezes become more frequent.
Wind observations show NNW still leading at 31%, with NW at 24% and WNW at 18%, so mornings before the seabreeze are the play. Air temperatures average 26.0°C, water temperatures warm to 26.8°C, and precipitation remains low at 0.31mm/day. May offers high-quality south swell with an early-bird window for clean conditions.
Average Spot conditions at La Lancha in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at La Lancha during May. 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 Lancha for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at La Lancha for May. 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 Lancha.