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Conditions at The Alley in January
January: Peak Summer Trade-Wind Grind
January at The Alley is dominated by the Coral Sea trade-wind machine. The average swell height sits at 1.1m (3.6ft), with an average period of 8.0s, producing rideable, punchy windswell rather than long-period groundswell. The wave rose is packed with E (39.3%) and ESE (23.6%) energy, and most surf falls in the 0.5-1m (2-3ft) and 1-1.5m (3-5ft) bins. That raw east energy would be ideal for the NE-facing beach, but winds are only favourable 23 percent of the time. The wind field is split between NNW (13.4%) and SSE (14.0%) flows, with the all-important SW-W offshore quadrant almost absent. Air temperatures average 25.0°C, water temperatures 25.2°C, and 4.63 mm/day of rain keeps the area green and muggy. Watch for a summer frontal change or a tropical low to swing the wind southwest and turn the messy east swell into rare, clean runners.
Average Spot conditions at The Alley in January
Swell history for January
Wind history for January
Swell quality
Analyze the groundswell consistency at The Alley during January. 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 Alley for your next trip in January.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at The Alley for January. 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 Alley.