Dee Why Point Wind Stats

The graph illustrates how commonly and how strongly the wind blows from different directions over a normal April. The longest spokes point in the directions the wind most commonly blows from and the shade of blue indicates the strength, with the strongest winds shown by the darkest shade of blue. It is based on 2880 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Dee Why Point, located 32 km away (20 miles). There are too few 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 dominant wind at Dee Why Point blows from the SSE. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Dee Why Point. Converseley, dominant spokes show favoured directions, and the more deep blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical April, the model suggests that winds are light enough for the sea to be glassy (light blue) about 7% of the time (2 days each April) and blows offshore 40% of the time (10 days in an average April). Over an average April winds stronger than >40kph (25mph) are expected on 2 days at Dee Why Point

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