Happy Jacks Wind Stats

The rose diagram illustrates how commonly and how strongly the wind blows from different directions through a typical August. The largest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with dark blue strongest. It is based on 3582 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Happy Jacks, located 9 km away (6 miles). There are too few 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 most common wind at Happy Jacks blows from the ENE. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Happy Jacks. Converseley, dominant spokes illustrate favoured directions, and the more the darkest shade of blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average August, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 3% of the time (1 days each August) and blows offshore just 13% of the time (4 days in an average August). During a typical August wind stronger than >40kph (25mph) was predicted for only a single days at Happy Jacks

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