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Conditions at Lanuza in September
September: Swell Direction Returns as the Lull Breaks
September marks the first real shift in the swell window. Average height is still small at 0.6m (2ft), but the period climbs to 9.9s, and the direction mix becomes more promising: ENE 31.4 percent, NE 21.1 percent, E 19.2 percent, NNE 9.1 percent, and N 3.6 percent. Although the bulk of the energy is still in the 0.5-1m range, the growing NE and NNE share is a positive sign for Lanuza. Wind conditions are also favorable, with ideal conditions 40 percent of the time and a balance of southwesterly and westerly flow. The arrival of tropical cyclone season in the western Pacific can produce late-month or early-autumn swells, so September is a transition month with occasional fun sessions rather than consistent surf. Water temp remains warm at 29.4°C, air temp 26.8°C, and rainfall is low at 6.41mm/day. Keep expectations tempered, but the signals are turning positive.
Average Spot conditions at Lanuza in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Lanuza 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 Lanuza for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Lanuza 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 Lanuza.