Conditions at Tullan Strand in September
September: Autumn's First Pulse
September is when Tullan starts to wake up. Average swell height climbs to 3-4ft (1.1m) and the period extends to 10.2s, reintroducing more powerful lines to the sandbars. The swell rose remains WNW-heavy at 35%, with W (20%), NW (18%), and NNW (11%) all active. More importantly, the distribution broadens into the 3-5ft (1-1.5m) and 5-6ft (1.5-2m) classes, especially from WNW and W, so there are meaningful waves on offer. Clean offshore wind conditions tick up to 25%, and the first strong autumnal low-pressure systems can arrive while the water is still warm. Water temperature holds at 15.3°C, air averages 12.4°C, and precipitation is moderate at 3.50mm/day. September is a great shoulder month: fewer crowds than winter and the Atlantic beginning to grumble.
Average Spot conditions at Tullan Strand in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Tullan Strand 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 Tullan Strand for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Tullan Strand 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 Tullan Strand.