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Conditions at Green Island in July
July: Peak Winter and Peak Cleanliness
July is peak winter and Green Island's most reliable month for clean, powerful surf. The average height is 1.7m (5.5ft) with the year's longest average period at 9.5s, and the wind is ideal a standout 53 percent of the time. Offshore flow from the N through WNW quadrant is at its annual maximum, totaling 43.7 percent - WNW alone blows 21.8 percent. The swell is fairly evenly split between SSE and S, supplying 15.5 and 14.1 percent respectively, and there is plenty of SE energy in the mix. The air is cool at 13.8°C, water temperature falls to 16.7°C, and rainfall is low at 2.07 mm/day. These are the cleanest, most lined-up days of the year, often with light offshore winds and crisp winter air.
Average Spot conditions at Green Island in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Green Island during July. 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 July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Green Island for July. 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.