Waihua Wind Stats

This image shows how frequently and how strongly the wind blows from different directions through a typical September. The biggest 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 3360 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Waihua, located 49 km away (30 miles). There are insufficient recording stations world wide to use actual wind data. No doubt some coastal places have very localized wind effects that would not be predicted by NWW3. According to the model, the most common wind at Waihua blows from the S. If the rose plot shows a nearly round shape, it means there is no strong bias in wind direction at Waihua. 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. Over an average September, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 5% of the time (2 days each September) and blows offshore 24% of the time (7 days in an average September). In a typical September winds stronger than >40kph (25mph) are expected on 2 days at Waihua

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