Conditions at Osbourne in July
July: Flat Spells and Peak Summer Wind
July is the slowest month of the year at Osbourne. The average swell height drops to 3ft (1.0m) and the average period bottoms out at 7.2s, leaving a sea state that is dominated by short-period, mostly wind-driven waves. The wave rose is heavily focused on SSW (36.6 percent) and S (34.7 percent), with SSE (15.9 percent) and SE (6.0 percent) the only favourably angled secondary sources. Waves over 1.5m are a rare commodity, accounting for less than 5 percent of the observations. The wind regime is summer-like: SW (24.7 percent), SSW (19.7 percent), and WSW (11.2 percent) are the dominant directions, though light winds and occasional west-northwest flows still deliver 41 percent ideal conditions for surfing. Water temperature reaches a more pleasant 11.0°C, air temperature averages 16.1°C, and precipitation is at a drier 2.65 mm/day. For the dedicated surfer, July is about high-volume boards, low expectations, and enjoying long days at the beach between weak, glassy peaks.
Average Spot conditions at Osbourne in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Osbourne during July. 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 Osbourne for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Osbourne for July. 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 Osbourne.