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Conditions at North Stradbroke Island in January
January: Peak Summer Trade Slop
January is the heart of the Australian summer, and the island sits between solid swell and messy wind. The average wave height is 1.2m (4ft) with an average period of 8.5s - punchy, rideable windswell. Around a third of the swell comes from the east, another 22% from the ESE, and 13% from the SE, which is exactly what this east-southeast-facing beach needs. The problem is the South Pacific High: SE/ESE/SSE/E winds make up more than half of the wind rose, so most days are bumpy and lined up only in brief lulls. Ideal offshore flow from W/WNW/NW/NNW sits at just 12%. When a sea breeze dies and a light NW land breeze kicks in at dawn, the open stretches can turn glassy; otherwise it is a grovel for clean waves. Water is a warm 26.4°C, air temps average 25.2°C, and precipitation is high at 4.75mm/day, typical of summer storms.
Average Spot conditions at North Stradbroke Island in January
Swell history for January
Wind history for January
Swell quality
Analyze the groundswell consistency at North Stradbroke Island 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 North Stradbroke Island for your next trip in January.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at North Stradbroke Island 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 North Stradbroke Island.