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Green Island • Statistics for November

Conditions at Green Island in November

November: Trade Winds Return

November brings back the summer trade-wind regime and Green Island's quality begins to slide. The average period drops to 7.9s, the lowest of the year, while the average height stays at 1.6m (5ft). Ideal wind falls to 38 percent, and the offshore N-WNW component shrinks to 22.4 percent. On the swell side, the NE/ENE quadrant is once again prominent, but there is still a strong SSE signal at 16.4 percent and S at 10.7 percent. Water temperature climbs to 19.1°C, air averages 18.2°C, and rainfall increases to 2.95 mm/day. Expect bumpy, short-period surf much of the time, with occasional clean windows when a passing high pressure system sets up a NW flow.

Average Spot conditions at Green Island in November

Swell history for November

0 - 2
2 - 3
3 - 5
5 - 6
6 - 8
> 8 ft

Wind history for November

0 - 6.2
6.3 - 12.4
12.4 - 18.6
18.6 - 24.9
24.9 - 31.1
> 31.1 mph

Swell quality

Analyze the groundswell consistency at Green Island during November. 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 November.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Green Island for November. 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.

Swell with good wind

Swell with good wind by size

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