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Conditions at Sao Conrado in March
March: First Real Southern Swells Roll In
March is where autumn begins to stir the South Atlantic. Average swell height creeps up to 3-4ft (1.2m) and the period lengthens to 10.4s, signalling more purposeful energy. SSE (33%) and S (26%) are the power players, with SE adding 27%; a notable jump in 3-5ft (1-1.5m) waves, plus some 5-8ft (1.5-2.5m) sets on the S/SSE swells, gives Sao Conrado more push than summer. Ideal wind percentages slip to 47% as E and ENE flows remain common, while the strengthening offshore N/NNW flow behind passing fronts increasingly creates clean morning windows. Water temperature rises to 23.5°C, air averages 25.3°C and rainfall is moderate at 5.76mm/day. This is a transition month where the waves start to carry more authority, but you may still need to work around cross-shore E/NE winds.
Average Spot conditions at Sao Conrado in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Sao Conrado 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 Sao Conrado for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sao Conrado 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 Sao Conrado.