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Conditions at Honolua Bay in October
October: The North Pacific Wakes Up
The North Pacific starts to roar back to life in October. Average swell height rises to 1.5m (about 5ft) and the average period jumps to 11.0s, placing more energy in the powerful long-period class. The wave rose still favors ENE at 27.8%, NE at 25.3%, and NNE at 19.4%, but NNW grows to 13.5% and N to 8.6%, giving the bay roughly 23% of its swell from ideal NW-to-NNW directions. Each passing front now has the potential to send real winter groundswell toward Maui.
Winds remain mostly from the trade direction - ENE at 58.9% and NE at 18.2% - but the ideal wind index reaches 30%, the highest of the year alongside September. Post-frontal southwest wind shifts become more common, and those clean southwest flows groom the building NNW swell into well-ordered lines. Water temperature is 26.5°C, air averages 26.0°C, and rainfall increases to 1.63 mm/day. October is a serious shoulder-season target.
Average Spot conditions at Honolua Bay in October
Swell history for October
Wind history for October
Swell quality
Analyze the groundswell consistency at Honolua Bay 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 Honolua Bay for your next trip in October.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Honolua Bay 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 Honolua Bay.