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Conditions at Hermosa Beach in December
December: Peak Season at Hermosa Beach
December is peak season. The swell rose is back to full winter form: W 53.6%, WSW 29.5%, SW 10.4% and WNW 2.7%. Average period is 12.4s, average height is 0.8m, and over 16% of readings exceed 1m (3.3ft), with occasional 5-8ft (1.5-2.5m) W/WSW groundswell pulses. Ideal offshore wind is tied with January at 33%, with NNE at 11.7%, NE at 5.8%, N at 5.5%, and solid E/ESE contributions. Air temps are cool at 11.7°C and water is 14.6°C. Wrap up warm and pick the offshore windows; this is as consistent as Hermosa gets.
Average Spot conditions at Hermosa Beach in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Hermosa Beach during December. 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 Hermosa Beach for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Hermosa Beach for December. 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 Hermosa Beach.