Conditions at Cotton Trees in August
August: Biggest Month, Toughest Winds
August is the statistical peak for swell size at Cotton Trees: average wave height reaches 5ft (1.5m) with an 11.6s period. The swell direction shifts even further into SSW, which supplies 61.4% of the energy - including 23.4% in the 5-6.5ft (1.5-2m) range and 2.6% at 6.5-8ft (2-2.5m). S still brings 36.4% of readings, also with a solid chunk of 5-6.5ft surf. It is the most powerful month of the year. Unfortunately, it is also the worst month for wind: ideal conditions only 4% of the time. SSW (28.3%), SW (25.2%) and WSW (15.9%) keep the beach locked in a persistent onshore blow, and rainfall peaks at 10.95mm/day. Only the occasional dawn glass-off saves it from being a complete washout. Water temperature cools slightly to 26.6°C, air temp 25.5°C.
Average Spot conditions at Cotton Trees in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Cotton Trees 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 Cotton Trees for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cotton Trees 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 Cotton Trees.