Praia da Bertioga Wind Stats

The rose diagram describes how commonly and how strongly the wind blows from different directions over a normal August. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue implies the strength, with dark blue strongest. It is based on 3590 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Praia da Bertioga, located 22 km away (14 miles). There are insufficient 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 Praia da Bertioga blows from the SE. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Praia da Bertioga. By contrast, dominant spokes show favoured directions, and the more dark 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 (light blue) about 23% of the time (7 days each August) and blows offshore 38% of the time (12 days in an average August). Over an average August winds exceeding >40kph (25mph) are not expected, but 1 have winds on the range 30-40 (19-25) at Praia da Bertioga

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