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Conditions at Santa Rosa in October
October: Spring Transition Builds
October brings the first hints of spring, though the ocean refuses to let go of winter. Average swell height eases slightly to 1.8m (5.9ft) with the period improving to 13.2s, and the direction becomes more concentrated with 87% from the SSW. That leaves less direct SW energy, so the wave quality depends even more on the wind. S and SSW still combine for 92% of the wind observations, and ideal wind remains at 0%. The good news is that air temperatures begin to climb, averaging 17.1C, while water sits at a cold 15.2C. Rain stays negligible. This is a consistent, powerful month, but clean glassy conditions will be rare and fleeting.
Average Spot conditions at Santa Rosa in October
Swell history for October
Wind history for October
Swell quality
Analyze the groundswell consistency at Santa Rosa 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 Santa Rosa for your next trip in October.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Santa Rosa 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 Santa Rosa.