Orrua Wind Stats

This chart illustrates how commonly and how strongly the wind blows from different directions through a typical December. The largest spokes point in the directions the wind most commonly blows from and the shade of blue indicates the strength, with the darkest shade of blue showing the strongest winds. It is based on 2953 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Orrua, located 28 km away (17 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 Orrua blows from the NW. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Orrua. On the other hand, dominant spokes illustrate favoured directions, and the more the darkest shade of 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 51% of the time (15 days in an average December). During a typical December winds stronger than >40kph (25mph) are expected on 3 days at Orrua

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