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Conditions at Broken Head in September
September: Spring Transition and East Swell Return
September begins the slow shift back toward easterly swell. The average period shortens a touch to 8.8s and the average height is 5ft (1.5m), but the NE-ENE-E-ESE window recovers to more than 40% of the wave energy. The wind field is more split: ideal offshore conditions still occur 51% of the time, but N, NNE and NNW flows become increasingly common, especially by the afternoon. Air temperatures warm to 19.5°C, water sits at 20.5°C, and rainfall is a low 1.28mm/day. Early morning westerlies and the first spring E swells can produce surprisingly clean 4-6ft conditions at Broken Head before the sea breeze kicks in.
Average Spot conditions at Broken Head in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Broken Head 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 Broken Head for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Broken Head 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 Broken Head.