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Conditions at Hermanus in October
October: Spring Winds Return, Swell Still Present
October marks the transition back to the less favorable summer regime. Average swell drops to 2.3m (7.5ft), period eases to 11.4s, and ideal wind falls to 17%. The trade wind reasserts itself: E (17.2%), ESE (16.0%), SE (9.7%) and S (5.1%) make up a large share of the wind rose, blowing onshore much of the time. W (9.5%) and WNW (8.8%) still offer occasional offshore relief, especially in the wake of cold fronts. Swell is still reasonably solid from SW (21.7%) and SSW (16.1%), with S at 9.2%, but the surf is less organized than the winter months and often windblown. Water temps have begun warming to 16.4°C, air temps reach 16.1°C, and rain averages 1.55 mm/day. Patience is the key; the clean days are rarer, but they're worth chasing.
Average Spot conditions at Hermanus in October
Swell history for October
Wind history for October
Swell quality
Analyze the groundswell consistency at Hermanus 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 Hermanus for your next trip in October.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Hermanus 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 Hermanus.