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Conditions at Ipanema in April
April: Autumn Groundswell Arrives
April is a proper turning point. The average swell height jumps to 1.4m (4-5ft), the average wave period sits at 10.6s, and the swell direction shifts decisively into the south quadrant: SSE (31.3 percent), S (30.5 percent) and SSW (4.9 percent) combine for roughly 67 percent of the wave spectrum. More importantly, about a quarter of the distribution is now overhead or bigger, with meaningful S swell in the 1.5-2.5m (5-8ft) range. This is when Ipanema begins to show its classic winter character - clean, rippable walls, plus firing days when a cold front generates larger S/SW groundswell. Wind quality remains the main variable: ideal offshore conditions occur 52 percent of the time, but ENE/E trades can still mess up the surface. Air temperatures cool to 24.1°C, water remains warm at 23.8°C, and rainfall drops to 3.31 mm/day, making it one of the best months to be in the water.
Average Spot conditions at Ipanema in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Ipanema 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 Ipanema for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Ipanema 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 Ipanema.