Conditions at Foz do Arelho in October
October: The Atlantic Wakes Up
The North Atlantic roars to life in October, and Foz do Arelho reaps the reward. The average swell height jumps to 7ft (2.1m), period lengthens to 11.4s, and the swell direction distribution shifts decisively back into the favoured NW, NNW and WNW window. The wind rose becomes more balanced, with ideal offshore conditions occurring 23 percent of the time. Storms tracking near the subpolar low send fresh swells across the Atlantic, while pre-frontal S to SE winds can groom them into clean, hollow lines. Sea surface temperature is 17.9C, air temperatures average 17.7C, and rain returns at 2.87 mm/day. October is the season opener: expect solid, punchy surf and the first true XL swells of the new season.
Average Spot conditions at Foz do Arelho in October
Swell history for October
Wind history for October
Swell quality
Analyze the groundswell consistency at Foz do Arelho 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 do Arelho for your next trip in October.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Foz do Arelho 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 do Arelho.