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Conditions at Margaret River in July
July: Peak Winter Grind - Heavy but Wind-Challenged
July is the heart of winter and the biggest month of the year on paper, with an average swell height of 2.8m (9.2ft) and a period of 13.1s. Swell direction is dominated by SW (18.8%), WSW (15.7%) and a healthy share of W/NW energy, creating powerful, cross-shore groundswell with plenty of size. The problem is that the wind is also at its wintry worst. WSW, W and WNW winds total well over 30% of the observations, and ideal offshore wind sits at only 20%. The transient windows between cold fronts are the key - when a high pressure ridge builds in and the wind swings E/ESE, the reefs produce some of the heaviest, most dredging waves of the season. Water temperature bottoms out near 18.0°C, air at 14.6°C, and precipitation stays high at 3.92 mm/day. This is charging territory, not for the faint of heart.
Average Spot conditions at Margaret River in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Margaret River 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 Margaret River for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Margaret River 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 Margaret River.