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Conditions at Green Island in April
April: Shoulder-Season Gem
April is a genuine shoulder-season gem. The average period climbs to 9.0s, the average height holds at 1.7m (5.5ft), and ideal wind jumps to 45 percent. Offshore W/NW/NNW flow now accounts for over 30 percent of the wind distribution, giving Green Island clean, groomed faces. The swell window is also well aligned: ESE through S makes up 59.1 percent, led by SSE at 18.5 percent and SE at 15.2 percent. Water temperature is still pleasant at 21.5°C, air averages 19.0°C and rainfall eases to 2.51 mm/day. This is one of the more reliable months to find lined-up, powerful waves in the 3-6ft (1-1.8m) range under autumn sunshine.
Average Spot conditions at Green Island in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Green 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 Green Island for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Green 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 Green Island.