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Conditions at Llangennith in August
August: Summer Remains, but the Atlantic Stirs Slightly
August is slightly more promising than July, but still a low season month. The average swell height is 2.5ft (0.8m) and the period is 7.4s, so most waves are small and underpowered. WSW contributes 42.8% of the swell and W another 29.5%, with a marginally better share of 3-5ft (1-1.5m) swell than July. The ideal offshore wind percentage is still low at 4%, but the NE-E offshore window is about 12% of the wind rose, and early-morning offshore spells occur a little more often. Air temperatures peak for the year at 16.4°C and water temperature reaches 17.8°C, the warmest of the year. Rain is modest at 3.02mm/day. Late August can see the first long-period swells from early autumn gales, giving a tease of what is to come. But for now, expect small, soft conditions and save your energy for September.
Average Spot conditions at Llangennith in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Llangennith during August. 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 August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Llangennith for August. 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.