Winchesteer Bay/Umpqua Jetty Wind Stats

The figure illustrates how commonly and how strongly the wind blows from different directions through a typical December. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue implies the strength, with dark blue strongest. It is based on 3448 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. 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 Winchesteer Bay/Umpqua Jetty blows from the W. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Winchesteer Bay/Umpqua Jetty. Converseley, 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 December, the model suggests that winds are light enough for the sea to be glassy (light blue) about 13% of the time (4 days each December) and blows offshore 39% of the time (11 days in an average December). In a typical December winds stronger than >40kph (25mph) are expected on 4 days at Winchesteer Bay/Umpqua Jetty

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