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Conditions at Humewood Pier in September
September: Spring Renewal
September ushers in the spring transition. Average swell height eases to 2.3m and the period shortens slightly to 11.7s, but the energy is still serious. SSW leads at 21.2%, SW at 20.1%, and S at 10.1%, while the secondary E/ESE pathways (E 2.7%, ESE 4.9%) begin to inject a touch of variety. The wave height distribution remains weighted toward 2-2.5m (6.5-8ft), so there's plenty of push on the sandbanks.
Ideal wind improves to 22%, with WSW reaching 20.3% - the strongest offshore signal since spring. SW also contributes 9.8%, while E and ENE are a combined 21%. The increasing frequency of WSW offshore winds means surf quality is on the upswing. Water temperature hovers at 17.6°C and air at 16.9°C, signalling the slow departure of winter's chill. September is a month of opportunity: the swell is still winter-strong, but the clean windows are becoming more reliable.
Average Spot conditions at Humewood Pier in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Humewood Pier 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 Humewood Pier for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Humewood Pier 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 Humewood Pier.