Conditions at Sao Juliao in October
October: The Atlantic Roars Back
The North Atlantic roars to life during October, and Sao Juliao is one of the first beaches to feel it. Average swell height jumps to 2.0m (6.6ft), period stretches to 11.4s, and the direction mix becomes much more favorable: NW (30.6%), NNW (19.5%), WNW (18.6%), and W (6.7%) all combine to send powerful lines straight into the beach. The wind distribution starts to shift away from the summer northerly gale; while NNW (19.0%) and N (12.0%) are still common, the offshore sector (ENE, E, ESE, SE) appears more regularly, producing ideal conditions around 19% of the time. This is the month when the combination of autumn storm swell and the first east winds of the season can produce the stand-out days of the year. Water temp is still warm at 18.1°C, air averages 17.6°C, and precipitation climbs to 2.62 mm/day, so you'll want a wetsuit that can handle both.
Average Spot conditions at Sao Juliao in October
Swell history for October
Wind history for October
Swell quality
Analyze the groundswell consistency at Sao Juliao 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 Sao Juliao for your next trip in October.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sao Juliao 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 Sao Juliao.