The Spit Wind Stats

This image describes how often and how strongly the wind blows from different directions over a normal August. The largest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with the darkest shade of blue strongest. It is based on 3472 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to The Spit, located 10 km away (6 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 prevailing wind at The Spit blows from the E. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at The Spit. On the other hand, 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 August, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 10% of the time (3 days each August) and blows offshore 34% of the time (8 days in an average August). Over an average August winds exceeding >40kph (25mph) are not expected, but 2 have winds on the range 30-40 (19-25) at The Spit

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