Conditions at Leblon in August
August: Late-Winter Swell Holds, Trade Winds Creep In
August keeps the winter swell alive with a 1.4m (4.5ft) average height and 10.8s period, but the wind balance starts to shift. The south window is still the main event - S 26.6%, SSE 23.2%, SSW 7.6% - while ESE and SE grow to 16.8% and 17.5% respectively. Around 33% of the swell is still 1.5m (5ft) or bigger, with S providing the biggest percentage of 1.5-2.5m sets. Ideal wind drops slightly to 53%, and ENE (17.8%) and E (15.4%) become more prominent, hinting at the approaching spring trade wind season. Water temp slips to 21.1°C, air averages 21.0°C, rainfall 1.55 mm/day. Grab the early-morning, S-dominant days before the sea breeze gets busy.
Average Spot conditions at Leblon in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Leblon 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 Leblon for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Leblon 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 Leblon.