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Conditions at Llangennith in October
October: The Atlantic Roars Back to Life
The North Atlantic roars to life in October, and Llangennith starts to wake up from its summer slumber. The average swell height jumps to 4ft (1.2m) and the period lengthens to 8.6s, with a sharp increase in the frequency of 5-8ft (1.5-2.5m) swells. WSW still leads the way at 35.3%, but SW jumps to 12.3% and W contributes 18.2%, reflecting a more varied storm track. These are often the first true groundswells of the season, generated by low pressure systems forming off Newfoundland and intensifying as they race toward the British Isles. The trade-off is wind: the ideal offshore share is only 7%, and W/SW winds are strong and frequent. As low pressures pass, expect shifting winds and raw conditions. Water temperature is still mild at 14.6°C, air averages 12.8°C, and precipitation rises to 3.97mm/day, but the increased swell energy makes October one of the most exciting months.
Average Spot conditions at Llangennith in October
Swell history for October
Wind history for October
Swell quality
Analyze the groundswell consistency at Llangennith 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 Llangennith for your next trip in October.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Llangennith 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 Llangennith.