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Conditions at Zuma Beach in May
May: Onshore Onset
May marks the real beginning of the low season. The average height holds at 3.5ft (1.1m), but ideal wind collapses to 28% as warm-season WSW and W winds become the default. Swell from the SSW/SW/WSW window now makes up nearly 60% of the wave rose, which is exactly the direction Zuma wants, yet the onshore flow keeps things bumpy and soft. Water temperature creeps back up to 13.8°C, air temps average 17.1°C, and precipitation nearly disappears at 0.34 mm/day. Long, clean glass-off windows become rarer, so dawn patrol is the only reliable way to find decent shape.
Average Spot conditions at Zuma Beach in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Zuma Beach 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 Zuma Beach for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Zuma Beach 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 Zuma Beach.