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Conditions at North Stradbroke Island in April
April: The Shoulder Season Sharpens
April is where the seasonal shift becomes tangible. The average swell remains 1.3m (4ft) and the period sits at 9.0s, with energy arriving from the ESE (31%), E (26%) and SE (21%). The wind rose still looks SE/SSE-heavy - 23% SE and 21% SSE - but westerly and SW flows are finally starting to appear, pushing the ideal wind percentage for surfing up to 14%. Rain drops to 3.01mm/day, air temps ease to 23.5°C, and the ocean cools to 25.4°C. This is a month of transitions: morning W/SW wind often cleans up the swell before the daytime SE seabreeze ruins it. When it all lines up, the island's sandbanks turn on some fun, punchy 4ft (1.2m) waves.
Average Spot conditions at North Stradbroke Island in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at North Stradbroke Island during April. 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 April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at North Stradbroke Island for April. 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.