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Conditions at Lefthanders in December
December: Holding on to Summer Slumber
December completes the transition to summer. Average swell is 6ft (1.9m) at 11.9s, and the wave train is dominated by SW (40.6%) and SSW (28.3%), with WSW (7.7%) - a directionally good but less powerful regime. The main negative is wind: SSE (24.3%), S (18.0%) and SE (15.1%) account for nearly 60% of observations, while ideal offshore flow hits its annual low of just 14%. The odd tropical cyclone or strong frontal remnant can still produce a punchy pulse at 5-8ft (1.5-2.5m), but those days are rare. Air temps average a warm 18.9°C, water 19.9°C, and rain is minimal (0.48 mm/day). December is a reminder that Lefthanders is a winter wave.
Average Spot conditions at Lefthanders in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Lefthanders 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 Lefthanders for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Lefthanders 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 Lefthanders.