Sansibar Rantum (Sylt) Wind Stats

The figure shows how often and how strongly the wind blows from different directions over a normal May. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue implies the strength, with the strongest winds shown by the darkest shade of blue. It is based on 3418 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Sansibar Rantum (Sylt), located 24 km away (15 miles). There are not enough recording stations world wide to use actual wind data. Invevitably some coastal places have very localized wind effects that would not be predicted by NWW3. According to the model, the dominant wind at Sansibar Rantum (Sylt) blows from the NW. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Sansibar Rantum (Sylt). 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 May, the model suggests that winds are light enough for the sea to be glassy (light blue) about 7% of the time (2 days each May) and blows offshore 15% of the time (2 days in an average May). Over an average May winds stronger than >40kph (25mph) are expected on 2 days at Sansibar Rantum (Sylt)

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