Ile d'Oleron - Les Trois Pierres Wind Stats

This image illustrates how frequently and how strongly the wind blows from different directions over a normal September. The longest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with deep blue showing the strongest winds. It is based on 3360 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Ile d'Oleron - Les Trois Pierres, located 8 km away (5 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 Ile d'Oleron - Les Trois Pierres blows from the W. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Ile d'Oleron - Les Trois Pierres. Converseley, dominant spokes illustrate favoured directions, and the more deep 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 10% of the time (3 days each September) and blows offshore 22% of the time (6 days in an average September). Over an average September wind stronger than >40kph (25mph) was predicted for only a single days at Ile d'Oleron - Les Trois Pierres

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