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Conditions at Tombstones in September
September: Late Winter, Still Prime
September is the tail end of the prime window but still delivers. Average height is a solid 5.2ft (1.6m), period is 13.8s, and ideal wind drops to 18%. The swell is extremely SW-heavy (65.6% SW, 25.9% SSW), so the west angle remains favourable for the NW-facing break. Winds are stronger from the S (28.1%) and SSW (21.6%), which can groom or churn depending on the day. Water temp reaches its seasonal minimum at 21.9°C, air warms slightly to 21.0°C, and rain is almost nonexistent at 0.17mm/day. Choose your sessions carefully and you will still find excellent heavy surf.
Average Spot conditions at Tombstones in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Tombstones 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 Tombstones for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Tombstones 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 Tombstones.