Conditions at Tywyn in October
October: The Autumn Reawakening
October is the month when the North Atlantic roars back to life. The average swell height climbs to 3ft (0.9m) and the average wave period jumps to 7.5s, driven by an increasing frequency of extratropical storms along the UK's doorstep. The swell rose is led by SW at 26.5 percent and WSW at 31.7 percent, with W and WNW adding another 18.4 percent. The bigger waves return in force: close to 12 percent of observations are now 5ft (1.5m) or more, and the 2-2.5m (6.5-8ft) class appears with measurable frequency. This is the real transition from summer dribble to autumn power.
The wind picture remains imperfect but improves, with ideal offshore days reaching 10 percent. Still, the dominant SW-to-W flow blows onshore 34 percent of the time, so a good session usually depends on an easterly or northeasterly wind arriving in the wake of a passing low. Air temperatures cool to 12.1°C, water temps are still comfortable at 14.2°C, and precipitation increases to 3.73 mm/day. The combination of building swell, warmer water, and changing wind regimes makes October one of the best transition months of the year.
Average Spot conditions at Tywyn in October
Swell history for October
Wind history for October
Swell quality
Analyze the groundswell consistency at Tywyn 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 Tywyn for your next trip in October.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Tywyn 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 Tywyn.