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Conditions at Ipanema in March
March: The First Real Autumn Swells
March is where the South Atlantic starts shifting gears. Average surf height moves up to 1.2m (4ft) and the average wave period extends to 10.4s - the first month where long-period power becomes a regular feature. SSE and S are now the dominant swell directions, combining for 58 percent of the total wave distribution (SSE 32.6 percent, S 25.7 percent), with SSW chipping in a further 2 percent. This is a meaningful change for Ipanema's south-facing banks: waves have more west in them, arrive with better period, and start to connect into lined-up peaks. The wind is ideal 52 percent of the time, but ENE/E trade winds still occupy a chunk of the month; the best sessions happen after a cold front pushes through and the breeze swings to N/NNW. Water temperature peaks at 23.5°C, air sits at 25.3°C and rainfall is lowering at 5.76 mm/day.
Average Spot conditions at Ipanema in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Ipanema during March. 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 March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Ipanema for March. 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.