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Conditions at Stone Harbor in September
September: Tropical Play of the Year
September is when Stone Harbor wakes up. Average swell height rises to 0.6m (2ft), the period jumps to 8.0s, the highest of the year, and ideal wind hits 6%. E, ESE, SE and SSE directions combine for over 63% of observations, with ESE at 18.4%, SE at 19.8%, E at 12.4% and SSE at 12.8%. This is the month where tropical cyclones churning off the East Coast and early autumn cold fronts produce the most credible, long-period surf of the warm season. Water temperature remains pleasant at 23.0°C, air averages 21.5°C, and precipitation sits at 3.38mm per day. The wind can still turn messy from the SW, but if a hurricane sits far enough offshore and a NW breeze filters in, Stone Harbor can offer warm-water, semi-glassie waves with real push.
Average Spot conditions at Stone Harbor in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Stone Harbor 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 Stone Harbor for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Stone Harbor 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 Stone Harbor.