Praia do Aterro Wind Stats

The rose diagram illustrates how often and how strongly the wind blows from different directions over a normal November. The largest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with the darkest shade of blue strongest. It is based on 3347 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Praia do Aterro, located 33 km away (21 miles). There are too few 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 do Aterro blows from the WNW. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Praia do Aterro. 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 November, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 14% of the time (4 days each November) and blows offshore 32% of the time (9 days in an average November). Over an average November winds stronger than >40kph (25mph) are expected on 3 days at Praia do Aterro

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