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Conditions at Huntington Beach in May
May: Southern Hemi Swells and the Onslaught of Onshore
May shows the true transition to low season. The average swell height remains 1.0m (3.5ft), but the period is now 13.7s and the direction is thoroughly southwest: SW (33%) and WSW (38%) with SSW at 12%, all pointing straight into the Huntington beach break. The raw swell is there, but it's not big or consistent-most waves live in the 0.5-1m (2-3ft) zone, with some 1-1.5m (3-5ft) from WSW. The wind story turns grim: ideal offshore flow appears a mere 4% of the time, while onshore S/SSW/SW/WSW flow makes up 73% of wind observations, almost all in the 0-20kph range. That's a classic Southern California marine layer pattern: plenty of bump and texture, little grooming. Dawn patrol is your only chance, and you'll be hunting for cleaner corners inside the pier. Water temps finally start to warm to 14.9°C (58.8°F), air temps average 16.4°C (61.5°F), and rain is a distant memory at 0.24 mm/day.
Average Spot conditions at Huntington Beach in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Huntington 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 Huntington Beach for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Huntington 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 Huntington Beach.