St Jean de Luz - Ciboure Wind Stats

The rose diagram describes how commonly and how strongly the wind blows from different directions through a typical April. 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 3360 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to St Jean de Luz - Ciboure, located 29 km away (18 miles). There are too few recording stations world wide to use actual wind data. Without question some coastal places have very localized wind effects that would not be predicted by NWW3. According to the model, the dominant wind at St Jean de Luz - Ciboure blows from the NW. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at St Jean de Luz - Ciboure. By contrast, dominant spokes illustrate favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average April, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 19% of the time (6 days each April) and blows offshore 40% of the time (2 days in an average April). In a typical April wind stronger than >40kph (25mph) was predicted for only a single days at St Jean de Luz - Ciboure

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