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Conditions at Petacalco in July
July: Steady SSW Energy in the Heart of Summer
July stays locked into the summer swell corridor, with an average 1.4m (4.6ft) swell and 13.4s period. The SSW contribution eases slightly to 65.5%, but S-direction swell jumps to 30.6%, the highest full-S value of the year, and that directly benefits Petacalco's SE-facing beach, delivering punchy, head-high-plus surf on the better sandbars. Energy in the 1-1.5m (3.3-4.9ft) range remains plentiful, and a healthy 22% runs at 1.5-2m (4.9-6.6ft). Winds are ideal 47% of the time, with SW/SSW afternoon wind and frequent rain, but the warm 30.2°C water and 13.4s groundswell make the early offshore windows worth chasing. Air temperatures average 27.0°C and precipitation rises to 5.40mm/day.
Average Spot conditions at Petacalco in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Petacalco during July. 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 Petacalco for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Petacalco for July. 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 Petacalco.