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Conditions at Chacahua in May
May: The Prime Time Swell Window Opens
May is the cleanest expression of Chacahua's prime surf season. The average swell height holds at 5.2ft (1.6m), while the average period peaks at 14.2s - the longest of the year. The SSW window is essentially maxed out: SSW supplies 74.3% of all wave energy, with S at 13.3% and SW at 8.4%. The height distribution is excellent: SSW has 32.3% in the 3-5ft (1-1.5m) class and 35.6% in the 5-6.5ft (1.5-2m) class, with 6.0% reaching 6.5-8ft (2-2.5m). Ideal wind rises to 41%, still not perfect, but with mornings often glassy and N/NNE/NE flow kicking in. The rainy season is beginning - average precipitation jumps to 1.83 mm/day - and the water temperature is 29.9°C, so suit up in boardshorts and keep an eye on local cloud buildups.
Average Spot conditions at Chacahua in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Chacahua 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 Chacahua for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Chacahua 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 Chacahua.