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Conditions at Yzerfontein in July
July: Midwinter Power and Clean Windows
July keeps the winter momentum at full strength. Average swell remains 8-9ft (2.7m), period 12.6s - the longest average of the year - and ideal wind stays high at 39%. The swell window is slightly more west: SW (23%), WSW (12%), SSW (10%), while S (2%) is negligible. Wind patterns remain favorable, with NNW (18%) and a solid N/NE sector, although SSE (15%) and S (10%) still mean you must time it right. Water temperature drops to 14.3°C, air to 13.8°C, and rainfall is 2.29mm/day. Expect powerful, long-period swell with some of the best-shaped, most hollow sessions of the winter.
Average Spot conditions at Yzerfontein in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Yzerfontein 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 Yzerfontein for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Yzerfontein 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 Yzerfontein.