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Conditions at The Pass in May
May: Peak Offshore Flow and Building Groundswell
May is the holy grail month for clean conditions at The Pass. A strong subtropical high over the northern Tasman turns the SSE-SW offshore quadrant into the dominant wind signal at 44.2% - the highest frequency of the year - and fully 29% of all observations rate as ideal for surfing.
Swell averages 5.5ft (1.7m) with a 9.5s period, coming through a broader south-east spectrum: SSE (24.9%), SE (20.7%) and E/ESE (32.6% combined). While the direction is south of the magic NNE/NE angle, these southeast groundswells refract around the headland beautifully when the SSW wind holds. Air is crisp at 20.5°C (69°F), precipitation drops to 3.41mm/day, and the water is 23.1°C (74°F). This month offers the most forgiving combination of power, period and offshore consistency - textbook Byron Bay.
Average Spot conditions at The Pass in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at The Pass 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 The Pass for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at The Pass 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 The Pass.