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Conditions at El Muro in September
September: Spring Swell, Winter Wind
September is a tale of two seasons. The Pacific is still pumping: average swell around 6ft (1.7m), period 12.8 seconds, and a remarkable 78.3% of the energy arriving from the SW, with another 15.4% from WSW. This is the most SW-dominated month of the year, and the heights are consistently in the 5-7ft (1.5-2m) sweet spot. However, the offshore wind window falls to 2%, and SSW/SW winds reclaim their dominance. It feels like spring: the ocean has winter size, but the atmosphere is starting to produce more onshore flow.
Water temp remains cold at 12.5°C, air temps warm to 14.9°C, and rainfall drops to 0.14 mm/day. The dawn windows are still worth setting the alarm for.
Average Spot conditions at El Muro in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at El Muro during September. 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 El Muro for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at El Muro for September. 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 El Muro.