Conditions at Kirra in December
December: Summer Returns with Strength and Mess
December rounds out the year with the classic Queensland summer regime. Average swell sits at 1.0m (3.3ft), period is a short 7.5s, and ideal wind is just 35%. The swell direction is dominated by E (28%), ENE (20%), ESE (19%), NE (12%), and SE (10%), giving plenty of east energy but little consistent period. Meanwhile, NNW (19%) and NNE (10%) winds dominate the windrose, with a strong SE/SSE seabreeze signal (11%/12%) in the afternoon. Kirra ends up with a mix of short-period E/NE swell and regular onshore wind, producing groveling 2-3ft (0.5-1m) conditions more often than not. When a tropical low or monsoon trough aligns southwest of the reef, the winds can flip to S/SW and the E/NE swell can pulse to 4-6ft (1.2-1.8m), but this is the exception. Air temperature averages 24.0°C, water temperature is 24.0°C, and rainfall is 4.42mm/day - humid, warm, and unpredictable.
Average Spot conditions at Kirra in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Kirra during December. 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 Kirra for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Kirra for December. 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 Kirra.