Winchesteer Bay/Umpqua Jetty Wind Stats

The graph illustrates how frequently and how strongly the wind blows from different directions over a normal October. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with dark blue strongest. It is based on 3471 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Winchesteer Bay/Umpqua Jetty, located 30 km away (19 miles). There are not enough 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 Winchesteer Bay/Umpqua Jetty 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 Winchesteer Bay/Umpqua Jetty. On the other hand, dominant spokes represent favoured directions, and the more deep 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 (pale blue) about 14% of the time (4 days each October) and blows offshore 27% of the time (8 days in an average October). Over an average October winds stronger than >40kph (25mph) are expected on 2 days at Winchesteer Bay/Umpqua Jetty

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