Conditions at Calais in August
August: Flat, Warm, and Windy
August continues the summer lull with the lowest average period of the year at 4.7s and an average wave height near 2ft (0.6m). The wave rose shows WSW at 19.5% and NNE at 15.4%, but most of this is short-period chop from local winds rather than organized surf. SW and WSW winds remain dominant at 24.0% and 16.5%, keeping the ocean on the bumpy side. Ideal offshore wind share is 5%. Water temperature peaks at 18.9°C, making it the most comfortable month for swimming, but it is the least reliable month for a rewarding surf session.
Average Spot conditions at Calais in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Calais 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 Calais for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Calais 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 Calais.