St Joe s Island Wind Stats

This image describes how commonly and how strongly the wind blows from different directions over a normal October. The largest spokes point in the directions the wind most commonly blows from and the shade of blue indicates the strength, with the strongest winds shown by the darkest shade of blue. It is based on 3470 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to St Joe s Island, located 38 km away (24 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 prevailing wind at St Joe s Island blows from the ESE. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at St Joe s Island. On the other hand, dominant spokes show favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical October, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 5% of the time (2 days each October) and blows offshore 8% of the time (2 days in an average October). Over an average October wind stronger than >40kph (25mph) was forecast for only a single days at St Joe s Island

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