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Conditions at Tallows in September
September: Spring Transition and Shifting Winds
September is a classic spring transition at Tallows. The average period drops to 8.8s and ideal wind slips to 19%, but there are still quality days in the mix. SSE remains the top swell direction at 21.1%, followed by SE at 14.3%, E at 11.6% and ESE at 11.1%. Importantly, NNE (10.3%) and NE (9.2%) trade windswell start to become a bigger part of the spectrum, shortening the overall period and making the surf a little more sectiony. Heights average around 5ft (1.5m), with the best, most consistent waves coming from SSE and SE.
Wind-wise, NNW dominates at 20.9%, and the total offshore W/WNW/NW/NNW flow remains high at around 31%. Onshore E/ESE/SE/SSE winds are roughly 22%, so conditions are still workable, especially with westerly overnight offshores and morning glass. Water 20.4°C, air 19.5°C, rain 1.28mm/day. September rewards those who pick the gaps between fickle spring fronts.
Average Spot conditions at Tallows in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Tallows 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 Tallows for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Tallows 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 Tallows.