Orrua Wind Stats

This picture shows how often and how strongly the wind blows from different directions through a typical October. The longest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with deep blue showing the strongest winds. It is based on 2976 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 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 most common wind at Orrua blows from the NW. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Orrua. Converseley, dominant spokes show 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 October, the model suggests that winds are light enough for the sea to be glassy (light blue) about 21% of the time (7 days each October) and blows offshore 52% of the time (16 days in an average October). During a typical October wind stronger than >40kph (25mph) was predicted for only a single days at Orrua

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