Belle Ile - Les Donnants Wind Stats

This image illustrates how often and how strongly the wind blows from different directions through a typical May. The biggest 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 Belle Ile - Les Donnants, located 41 km away (25 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 Belle Ile - Les Donnants blows from the WSW. If the rose plot shows a nearly round shape, it means there is no strong bias in wind direction at Belle Ile - Les Donnants. On the other hand, dominant spokes illustrate favoured directions, and the more deep 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 5% of the time (2 days each May) and blows offshore 20% of the time (6 days in an average May). During a typical May wind stronger than >40kph (25mph) was predicted for only a single days at Belle Ile - Les Donnants

read more