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Conditions at Cronulla in January
January: Summer Seabreeze Grind
January is peak summer at Cronulla. The South Pacific high settles over the Tasman Sea and drives a persistent northeast to east flow, with NE, ENE, E and ESE swells combining for close to 60% of the total wave energy. Average wave heights sit around 5ft (1.6m), but the average period is a modest 8.4 seconds, which keeps things in the punchy, rideable windswell category rather than powerful groundswell.
The catch is wind. Ideal offshore wind blows only 12% of the time, with NE and ENE sea breezes dominating during the afternoon. These onshore directions account for over a third of the wind observations and quickly chop out the peaks. North-east to south-east winds dominate, so the best surf is usually early morning before the seabreeze kicks in or when a southerly change lines up with an E/SE swell. Air temperatures average 22.7°C and water hits 22.4°C, making it a great day in the water even when the waves are only 3-5ft (1-1.5m).
Average Spot conditions at Cronulla in January
Swell history for January
Wind history for January
Swell quality
Analyze the groundswell consistency at Cronulla 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 Cronulla for your next trip in January.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cronulla 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 Cronulla.