Bruny Island - Mabel Bay Wind Stats

This chart illustrates how commonly and how strongly the wind blows from different directions through a typical September. The largest spokes point in the directions the wind most commonly blows from and the shade of blue indicates the strength, with the darkest shade of blue strongest. It is based on 3360 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Bruny Island - Mabel Bay, located 13 km away (8 miles). There are insufficient recording stations world wide to use actual wind data. Without question 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 - Mabel Bay blows from the SSW. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Bruny Island - Mabel Bay. Converseley, dominant spokes represent favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average September, the model suggests that winds are light enough for the sea to be glassy (light blue) about 10% of the time (3 days each September) and blows offshore 54% of the time (16 days in an average September). During a typical September winds stronger than >40kph (25mph) are expected on 3 days at Bruny Island - Mabel Bay

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