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Conditions at Ipanema in August
August: Late-Winter Size with Trade Wind Fuss
August keeps the winter swell machine running, but the wind picture starts to become more complicated. Average height remains a solid 1.4m (4-5ft) and the average period holds at 10.8s. S (26.6 percent), SSE (23.2 percent) and SSW (7.6 percent) still produce the best surf, and there are plenty of days in the 1.5-2.5m (5-8ft) range. However, the E/ENE trade winds strengthen as the South Atlantic high rebuilds, and combined E/ENE wind frequencies approach one-third of the time. The wind is ideal 57 percent of the time, but quality increasingly depends on catching the morning offshore window or the days just behind a cold front. Water temperature drops to 21.1°C, air averages 21.0°C, and rain is minimal at 1.55 mm/day. Still a good month, just a little more wind-affected than June or July.
Average Spot conditions at Ipanema in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Ipanema during August. 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 August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Ipanema for August. 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.