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Conditions at Melkbosstrand in September
September: Spring Mix of Size and Clean Windows
September is a shoulder month with one foot in winter and one foot in spring. The average swell remains beefy at around 9ft (2.7m), while the period eases only slightly to 12.1s. The swell direction breakdown still favors the optimal SW-W pocket: SW 17.8%, WSW 9.7%, W 2.7% and WNW 0.8%, with SSW at 11.0%. The wave heights are still substantial, particularly in the 5-8ft (1.5-2.5m) range, but the frequency of over-8ft (2.5m+) surf starts to diminish compared with the winter peak.
The atmosphere is transitioning out of winter. Rainfall drops to 1.91mm/day, air temperatures recover to 13.6°C, and the ocean water is 14.8°C. The wind distribution is split between winter NNW (12.6%), NW (7.5%) and WNW (5.4%) frontal pulses, and the more spring-like SSE/S/SE regimes (15.9%, 15.5%, 9.0%). Ideal wind sits at 39%. The result is a fantastic mix: proper winter groundswell still arriving, but more sunny, clean days between the fronts.
Average Spot conditions at Melkbosstrand in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Melkbosstrand during September. 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 Melkbosstrand for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Melkbosstrand for September. 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 Melkbosstrand.