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Conditions at Caloundra in May
May: The Window Starts Opening
May marks the real start of the quality surf season at Caloundra. Ideal wind frequency jumps to 21%, and the average swell period peaks at 8.5s with height holding at a very surfable 4-5ft (1.2-1.5m). Swell direction spreads across ESE (26.4%), E (24.0%) and SE (21.6%), giving the southeast-facing beach a well-rounded supply of punchy trade swell. More importantly, the wind rose shows a strengthening SW (6.8%) and WSW (7.0%) component, plus a rise in light W/NW flows that create clean, glassy conditions. Air temperatures cool to 19.5°C, precipitation drops to 3.53mm/day, and water temperature falls to 22.8°C. This is a month to start watching the forecast closely.
Average Spot conditions at Caloundra in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Caloundra 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 Caloundra for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Caloundra 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 Caloundra.