Three Arch Bay Wind Stats

This picture shows how often and how strongly the wind blows from different directions through a typical April. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with the strongest winds shown by the darkest shade of blue. It is based on 3360 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Three Arch Bay, located 21 km away (13 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 Three Arch Bay blows from the SSW. If the rose plot shows a nearly round shape, it means there is no strong bias in wind direction at Three Arch Bay. Converseley, 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. Over an average April, the model suggests that winds are light enough for the sea to be glassy (light blue) about 41% of the time (12 days each April) and blows offshore 45% of the time (14 days in an average April). During a typical April winds exceeding >40kph (25mph) are not expected, but 1 have winds on the range 30-40 (19-25) at Three Arch Bay

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