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Conditions at Avalanche in October
October: Spring Swell and a Stiff Easterly Battle
October is a classic spring month: powerful ocean but frustrating wind. Average swell height is 7.2ft (2.2m) with an 11.0s period, and SSW still leads the swell rose at 20.9%, followed by SW at 14.6% and S at 11.0%. E wind is the standout problem, blowing 16.8% of the time, with ENE at 12.6%-both cross-onshore for the NNE-facing beach. On the positive side, WSW at 18.7% and SW at 10.9% provide a healthy offshore component, keeping the ideal score at 22 percent. As the South Atlantic high begins to strengthen ahead of summer, the E/ENE flow is often lighter, and a late-afternoon sea breeze from the SW can help clean things up. Air temperatures are warming to 18.1°C, water holds at 17.8°C, and the dependable SSW/SW groundswell continues to pulse.
Average Spot conditions at Avalanche in October
Swell history for October
Wind history for October
Swell quality
Analyze the groundswell consistency at Avalanche during October. 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 Avalanche for your next trip in October.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Avalanche for October. 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 Avalanche.