Barra Velha Wind Stats

The figure shows how often and how strongly the wind blows from different directions through a typical May. The largest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with the strongest winds shown by deep blue. It is based on 3440 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Barra Velha, located 26 km away (16 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 most common wind at Barra Velha blows from the ESE. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Barra Velha. On the other hand, 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 May, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 25% of the time (8 days each May) and blows offshore 42% of the time (11 days in an average May). In a typical May winds exceeding >40kph (25mph) are not expected, but 1 have winds on the range 30-40 (19-25) at Barra Velha

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