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Conditions at Long Beach in July
July: Peak Summer Slumber
July is the slowest month of the year for Long Beach surf. The average wave height remains at 3ft (0.9m), with an average period of 7.0s. The southeast/south swell machine is running on full: SSE leads at 28.8%, S at 31.5%, and SE at 17.4%, but the distribution is extremely top-heavy in the 2-3ft (0.5-1m) range. Bigger waves are rare; the 5-6ft (1.5-2m) class barely registers. This is the classic peak-summer pattern of local south/southeast sea breeze windswell.
Onshore winds dominate with SSW at 14.2%, S at 12.5%, and SW at 11.2%, leaving the ocean chopped by afternoon. Ideal surf wind sits at just 26%, and the best waves are found in the early morning before the seabreeze builds. Air temperature averages 23.5°C, and water temperature peaks at 21.0°C. Precipitation is 3.55 mm/day. If you are at Long Beach in July, bring a summer board and low expectations for power - the lineup can still be fun, but only if you pick off the clean smaller waves between wind lines.
Average Spot conditions at Long Beach in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Long Beach 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 Long Beach for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Long Beach 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 Long Beach.