Pontal do Sul Wind Stats

The rose diagram describes how commonly and how strongly the wind blows from different directions over a normal September. 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 deep blue. It is based on 3360 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Pontal do Sul, located 38 km away (24 miles). There are too few 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 Pontal do Sul blows from the SSE. If the rose plot shows a nearly round shape, it means there is no strong bias in wind direction at Pontal do Sul. Converseley, 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. During a typical September, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 7% of the time (2 days each September) and blows offshore 19% of the time (6 days in an average September). Over an average September winds exceeding >40kph (25mph) are not expected, but 1 have winds on the range 30-40 (19-25) at Pontal do Sul

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