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Conditions at Troncones in July
July: Monsoon Moisture and Heaving SSW Storm Surf
July is peak rainy season on this stretch of the Mexican coast, but it also keeps the Southern Hemis and tropical swell machine running. Average wave height is 1.5m (5ft), period is 13.5s, and the swell direction is a nearly perfect S/SSW combination: S 29.6%, SSW 62.6%. Almost 41% of the total energy is 1.5-2m (5-6.5ft), and there are consistent 2-2.5m (6.5-8ft) sets from the S/SSW - enough to open up some hollow, dredging sections on the sandbars.
The wind is a mixed bag. Ideal winds tick up to 39% because monsoon pulses sometimes bring brief northerly offshore relaxation, but SE and SSE winds are also common (SE 9.7%, SSE 7.6%). Rain is a daily possibility (5.40 mm/day), water temp hits 30.6°C, and the air stays steamy at 27.0°C. You'll be surfing in a warm bath with occasional downpours. When the rain eases and the S/SSW swell lines up under a lighter morning breeze, July can still deliver proper, powerful Troncones waves.
Average Spot conditions at Troncones in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Troncones 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 Troncones for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Troncones 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 Troncones.