Conditions at Ombak Tujuh in September
September: Maximum Trade-Wind Stress and XL Swell
September is statistically the windiest month for Ombak Tujuh, with ideal wind bottoming out at 14%. The southeast trades are locked in: SE (70.1%) and ESE (22.4%) combine for over 92% of all wind observations, frequently at 20-40kph. Swell remains powerful at 7ft (2.1m) and 14.0 seconds, with S direction dominating at 55.5% and SSW at 18.7%. The waves are there, but quality is often compromised by relentless cross-shore wind. Water temperature drops to 26.9°C, air averages 25.6°C, and there is little rainfall at 2.7mm/day. This is a storm-watching month-when a low-pressure system shifts the gradient and lets an E/NE offshore wind blow, the reward is world-class, but those windows are rare.
Average Spot conditions at Ombak Tujuh in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Ombak Tujuh 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 Ombak Tujuh for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Ombak Tujuh 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 Ombak Tujuh.