Diamond Street Wind Stats

The graph illustrates how often and how strongly the wind blows from different directions over a normal April. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue implies the strength, with the darkest shade of blue showing the strongest winds. It is based on 2880 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Diamond Street, located 32 km away (20 miles). There are insufficient 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 Diamond Street blows from the WSW. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Diamond Street. By contrast, dominant spokes represent favoured directions, and the more the darkest shade of 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 (the lightest shade of blue) about 15% of the time (4 days each April) and blows offshore 16% of the time (5 days in an average April). Over an average April winds exceeding >40kph (25mph) are not expected, but 1 have winds on the range 30-40 (19-25) at Diamond Street

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