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Conditions at Bogan River in May
May: Big Autumn Swell, Tighter Windows
May is for the aptly named firing category. Average swell height reaches 1.9m (6ft) and the period holds at 12.9s. The Southern Ocean storm track is now in full swing, and while SW still supplies 43.3% of the energy, WSW and W directions are expanding their share. The result is a broader, heavier west-north-west to south-west window, with more 6-8ft (1.8-2.4m) swell than at any time in the previous three months.
The catch is wind: ideal offshore flow drops to 25%, and the proportion of onshore SW/W wind rises to 36%. Each week brings a sequence of cold fronts and a couple of clean post-frontal windows, usually under a transient high with ENE/ESE flow. Air temps cool to 15.7°C, water to 17.1°C, and rain increases to 3.67mm/day. It is less forgiving than April, but the waves have more weight.
Average Spot conditions at Bogan River in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Bogan River during May. 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 Bogan River for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Bogan River for May. 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 Bogan River.