Ile d'Oleron - Chassiron Wind Stats

This image shows how often and how strongly the wind blows from different directions through a typical September. The largest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with dark 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 - Chassiron, 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 most common wind at Ile d'Oleron - Chassiron blows from the W. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Ile d'Oleron - Chassiron. By contrast, dominant spokes represent 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 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). In a typical September wind stronger than >40kph (25mph) was predicted for only a single days at Ile d'Oleron - Chassiron

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