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Conditions at Vairao in July
July: Midwinter Power and Unrelenting Trades
July continues the winter grind. Average surf heights hold at a solid 7-8ft (2.3m), with the period easing slightly to 12.3s. The swell rose is again dominated by S (21.4%), SSE (15.9%), SSW (15.9%) and SE (12.3%), and the amount of energy coming from the preferred SW-WNW direction is barely 3.3%. Vairao remains a west-facing reef that spends most of July peeking around the corner, waiting for a more westerly angle to break the pattern.
The trades are relentless: E and ESE winds dominate, but the ideal surfing time drops to just 25% as 30-50kph gusts create choppy, bumpy conditions. Water temperature falls to 26.5°C, air temperature averages 25.1°C, and rainfall hits a minimum of 1.66mm/day-a classic dry-season trade-wind pattern. For a crowd-free, low-expectation session you can still find the odd clean corner on a lighter ESE day, but July is more about water time than perfection at Vairao.
Average Spot conditions at Vairao in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Vairao 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 Vairao for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Vairao 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 Vairao.