Conditions at Foz in October
October: The Atlantic Swells Return
October is the unofficial kickoff of the best surf season at Foz. Average swell heights rise to 1.3m (4.2ft), periods jump to 11.1s, and the storm track starts delivering proper groundswell again. NW swells are dominant at 40%, with NNW (28%) and WNW (11%) filling out an impressive 80% of the directional spectrum within the favorable swell window. The wind statistics also brighten: SSW flow is 18%, SW is 14%, and the offshore quadrant totals around 44%; ideal conditions occur 42% of the time. This is when Foz starts to attract surfers looking for clean, powerful autumn waves. Water temp is still warm at 17.5°C, air averages 13.4°C, and rain increases to 3.6mm/day. If the NAO index is in a neutral or positive phase, expect consistent pulses of 4-6ft (1.2-1.8m) waves.
Average Spot conditions at Foz in October
Swell history for October
Wind history for October
Swell quality
Analyze the groundswell consistency at Foz 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 Foz for your next trip in October.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Foz 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 Foz.