Green Ball Wind Stats

This image shows how commonly and how strongly the wind blows from different directions through a typical October. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue implies the strength, with deep blue showing the strongest winds. It is based on 3471 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Green Ball, located 25 km away (16 miles). There are not enough recording stations world wide to use actual wind data. No doubt some coastal places have very localized wind effects that would not be predicted by NWW3. According to the model, the most common wind at Green Ball blows from the SSW. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Green Ball. Converseley, dominant spokes show favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average October, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 17% of the time (5 days each October) and blows offshore 17% of the time (6 days in an average October). In a typical October winds exceeding >40kph (25mph) are not expected, but 0 have winds on the range 30-40 (19-25) at Green Ball

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