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Conditions at Hickory Bay in September
September: Spring Transitionals
September brings the first signs of spring but still delivers quality surf. The average swell height eases slightly to 1.8m (5.9ft), with a period of 10.7s. Ideal wind percentages remain healthy at 41%, and NNW is the top wind direction at 14.9%, so offshore and cross-offshore flow still dominates many mornings. While S/SSW swells remain present at 34.7%, the E/ESE/SE/SSE window gives up around 35% of the wave energy, keeping the bay well supplied. This is a transition month: the stronger spring sun begins to generate more afternoon sea breeze, but the Southern Ocean storms have not yet backed off. Days with light NW wind and a solid E/SE groundswell are worth chasing. Water temp is slowly recovering at 9.9°C, air temp averages 9.4°C, and the rain total is a touch lower than mid-winter.
Average Spot conditions at Hickory Bay in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Hickory Bay 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 Hickory Bay for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Hickory Bay 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 Hickory Bay.