Bruny Island - Lighthouse Bay Wind Stats

This picture illustrates how frequently and how strongly the wind blows from different directions through a typical November. The biggest 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 showing the strongest winds. It is based on 3347 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Bruny Island - Lighthouse Bay, located 12 km away (7 miles). There are insufficient recording stations world wide to use actual wind data. Invevitably 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 - Lighthouse Bay blows from the SSW. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Bruny Island - Lighthouse Bay. Converseley, dominant spokes illustrate favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average November, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 14% of the time (4 days each November) and blows offshore 31% of the time (9 days in an average November). In a typical November winds stronger than >40kph (25mph) are expected on 2 days at Bruny Island - Lighthouse Bay

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