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Conditions at Roads End in September
September: Autumn's First Pulses Begin to Stir
September is a proper transition month. Average swell rises to 1.5m (4.9ft), period stretches back to 10.8s, and ideal wind improves to 27%. The direction data shows WNW (43.7%) as the clear leader, followed by W (23.5%), NW (18.0%) and WSW (6.4%). More importantly, the energy is building: the 1.5-2m and 2-2.5m classes are much better represented than in summer, and the first strong extratropical lows of the fall are starting to spin up in the North Pacific. NNW wind still blows 30.3%, but the offshore E/ESE/SE windows appear more often as high pressure breaks down. Water temp holds at 11.8°C, air at 14.0°C, and rain begins to increase at 1.84 mm/day. September rewards patience - when the wind goes east, the surf quality takes a big step up.
Average Spot conditions at Roads End in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Roads End 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 Roads End for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Roads End 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 Roads End.