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Conditions at Hermosa Beach in April
April: Plenty of West Swell, But Wind Gets Tricky
April maintains an excellent swell direction mix: W 38.9%, WSW 38.7%, and SW 18.5%. Average height holds at 0.9m (3ft), the period stays strong at 12.0s, and over 30% of observations are in the 1m+ range. The challenge is wind quality; only 21% of the time is ideal, with W/WSW onshore flow at 10-20kph and occasional 20-30kph afternoon bursts. Rain is low at 0.63mm/day, air averages 15.1°C, and water is 13.5°C. The early morning offshore NE/ENE windows are getting shorter, but they can still produce lined-up, rippable waves before the sea breeze takes over.
Average Spot conditions at Hermosa Beach in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Hermosa Beach during April. 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 April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Hermosa Beach for April. 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.