Conditions at Pipeline in September
September: First Signs of Life
September marks the slow turn back toward relevance. Average surf height is still modest at 5.6ft (1.7m), but the period lifts back to 9.2s and the swell rose begins to broaden. ENE remains dominant at 46.2%, with NE at 18.1% and E at 13.9%, but NNW and N energy reappears at 5.5% and 4.2%. Favorable offshore wind frequency climbs to 23%, giving savvy surfers the occasional clean window. The reef is still inconsistent and the dominant trades are strong, but the first long-period pulses of the autumn are beginning to creep into the North Pacific forecast. Water temperature is the warmest of the year at 26.7°C, with air temperature 26.2°C.
Average Spot conditions at Pipeline in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Pipeline 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 Pipeline for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Pipeline 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 Pipeline.