Barra do Sahy Wind Stats

This picture illustrates 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 dark blue. It is based on 3440 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Barra do Sahy, located 31 km away (19 miles). There are not enough 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 prevailing wind at Barra do Sahy blows from the SSE. If the rose plot shows a nearly round shape, it means there is no strong bias in wind direction at Barra do Sahy. 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 18% of the time (6 days each May) and blows offshore 49% of the time (15 days in an average May). In a typical May winds exceeding >40kph (25mph) are not expected, but 2 have winds on the range 30-40 (19-25) at Barra do Sahy

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