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Conditions at Cerro Azul in May
May: Winter Groundswell at Full Force
May settles into heavy, consistent winter mode. Average wave heights reach 7ft (2.0m) with a 13.7s period - some of the longest-period swell of the year. The direction profile becomes a mix of SSW (73.0%), S (11.2%) and SW (5.0%), giving the coast a broader southern exposure. Nearly 46% of waves are in the 5-7ft (1.5-2m) range, while almost 34% push into the 7-8ft (2-2.5m) class, and a touch over 8% exceeds 8ft (2.5m). This is serious, powerful surf.
The wind is nearly perfect. S winds dominate at 45.1%, SSW at 46.1%, and the wind is ideal for surfing 98% of the time - the highest of the entire winter season. Speeds are strongest in the 10-20kph band, which keeps the lines clean and offshore. Water temperature drops to 17.2°C and air temperatures average 18.3°C. May is a full-on winter swell month with world-class consistency.
Average Spot conditions at Cerro Azul in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Cerro Azul 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 Cerro Azul for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cerro Azul 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 Cerro Azul.