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Conditions at Puerto Madero in May
May: Peak SSW Groundswell Month
May delivers the most organized, highest-quality swell of the year so far. The average height reaches 4.5ft (1.4m) with an impressive 14.3s average period, and an enormous 99% of the energy arrives from S/SSW/SW/WSW - led by SSW at 84.7%. More importantly, 22.3% of the distribution falls in the 5-6.5ft (1.5-2m) range and another 2.5% reaches 6.5-8ft (2-2.5m), so Puerto Madero sees legitimate pumping sessions rather than pure grovelers. The wind percentage is not ideal at only 45% offshore, but the early morning hours often stay clean before ESE/SE winds build. Air temperatures are warm at 28.6°C with a range of 25.1-32.6°C, water temperature is 30.8°C, and rainfall jumps to 7.53 mm/day, so plan your sessions around dawn and the tide before the daily showers. If there is a month to chase Southern Hemisphere swells on a bigger board, May is it.
Average Spot conditions at Puerto Madero in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Puerto Madero 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 Puerto Madero for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Puerto Madero 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 Puerto Madero.