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Conditions at Pichilemu in April
April: The Autumn Transition
April is where Pichilemu begins to shift from summer warmth to winter power without sacrificing too much quality. The average swell holds at 1.6m (5.2ft) and the period remains 13.0s, with the SW component jumping to 25.7% while WSW still supplies 62.0%. That extra SW energy tends to arrive with more push and a deeper water angle, and the 1.5-2m (4.9-6.6ft) class stays well represented. Ideal wind remains high at 74%, but N/NNE/NE onshore winds climb to just over 10% combined as the Pacific highs weaken. Air temperatures cool to 14.6°C, water drops to 13.4°C and precipitation increases to 0.79mm/day. It is still a very good month, but the first signs of winter instability are in the air.
Average Spot conditions at Pichilemu in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Pichilemu 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 Pichilemu for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Pichilemu 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 Pichilemu.