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Conditions at Itapeva in May
May: Groundswell Season Arrives
May is the beginning of prime time at Itapeva. The average swell height rises to 1.7m (5.5ft) and the average period reaches 9.8s, the longest of the entire year. The South Atlantic storm track has shifted north, and low-pressure systems are now close enough to send consistent, organised swell into the Brazilian coast. Optimal E/ESE/SE/SSE directions still account for 55 percent of the wave energy, while S at 18.1 percent and SSW at 5.2 percent bring plenty of size from the south. The wind picture improves dramatically, with ideal conditions 37 percent of the time. Offshore W/NW/NNW flow is much more common, and the NE trades are no longer the dominant force. Water temperature drops to 20.4°C and air averages 16.6°C, so a spring suit is needed. This is when Itapeva's sandbanks really start holding shape on the better pulses.
Average Spot conditions at Itapeva in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Itapeva during May. 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 Itapeva for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Itapeva for May. 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 Itapeva.