Bruny Island - Coal Point Wind Stats

This chart describes how commonly and how strongly the wind blows from different directions through a typical June. The largest spokes point in the directions the wind most commonly blows from and the shade of blue implies the strength, with dark blue strongest. It is based on 3266 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Bruny Island - Coal Point, located 23 km away (14 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 prevailing wind at Bruny Island - Coal Point blows from the SE. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Bruny Island - Coal Point. By contrast, 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 June, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 0.9% of the time (0 days each June) and blows offshore just 6% of the time (2 days in an average June). In a typical June wind stronger than >40kph (25mph) was expected for only a single days at Bruny Island - Coal Point

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