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Conditions at Arpoador in April
April: The South Swell Engine Turns Up
April is when Arpoador really starts to feel like a world-class south swell spot. Average height jumps to 1.4m (4-5ft) and period sits at 10.6s. The distribution is pure south-southeast: SSE 31%, S 30%, SE 23%, with SSW at 5% and a growing number of 1.5-2.5m (5-8ft) sets from the S direction. Wind remains favorable 51% of the time, though SW and WSW winds make a move (7% each), so timing your session around morning offshore flow is crucial. Water is still warm at 23.8°C while autumn runs bring cooler, drier air. This is a quality month on the front end of the winter season.
Average Spot conditions at Arpoador in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Arpoador 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 Arpoador for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Arpoador 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 Arpoador.