Galheta do Sul Wind Stats

The rose diagram shows how frequently and how strongly the wind blows from different directions through a typical September. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue indicates the strength, with deep blue showing the strongest winds. It is based on 3120 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Galheta do Sul, located 30 km away (19 miles). There are not enough recording stations world wide to use actual wind data. Without question some coastal places have very localized wind effects that would not be predicted by NWW3. According to the model, the dominant wind at Galheta do Sul 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 Galheta do Sul. By contrast, dominant spokes illustrate 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 September, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 8% of the time (2 days each September) and blows offshore 18% of the time (5 days in an average September). In a typical September winds stronger than >40kph (25mph) are expected on 2 days at Galheta do Sul

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