Conditions at Boilers in September
September: Autumn Reboot
September is where the season starts to turn. The average swell is the smallest at 5ft (1.5m), but the average period climbs back to 10.1s and ideal wind jumps sharply to 35%. The swell direction remains NNW-heavy at 74.0%, with NW at 19.0%, but the character of the ocean is changing: first real groundswells of the autumn appear as Atlantic lows spin up again. Wave heights in the 1-1.5m range dominate, with a good chunk of 1.5-2.5m days.
The wind regime improves: N at 18.1%, NNE at 6.8%, while NNW eases to 54.3%. With air temps of 22.2°C, water temp at 18.4°C and very little rain (0.19mm/day), September is a premium warm-water shoulder month - and it continues to build.
Average Spot conditions at Boilers in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Boilers 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 Boilers for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Boilers 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 Boilers.