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Conditions at La Jolla in July
July: Tropical Slop and South Swell
July is a month of persistent, long-period south swell. The average period is 13.6s, and the average swell height is around 4.5ft (1.4m), with S (53.0 percent) and SSW (28.7 percent) combining for over 80 percent of the wave energy. There is also a notable SSE contribution at 8.9 percent. The average height remains fun-sized, but the direction and period can produce clean, rippable waves if the local wind cooperates.
The tricky part is the wind. The ideal wind percentage drops to 46 percent, and the light NE/NNE trades become more persistent across the region. Water temperature is a warm 30.4°C, air temperatures average 25.8°C, and rainfall is significant at 4.99mm/day. With heavy tropical moisture and variable breezes, the surface is often softer and less organized. Look for the early-morning windows and the occasional passing swell event to find the best of July.
Average Spot conditions at La Jolla in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at La Jolla 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 La Jolla for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at La Jolla 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 La Jolla.