Okiwi - Whangapoua Estuary Wind Stats

The figure describes how frequently and how strongly the wind blows from different directions over a normal July. The largest spokes point in the directions the wind most commonly blows from and the shade of blue implies the strength, with the darkest shade of blue showing the strongest winds. It is based on 3472 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Okiwi - Whangapoua Estuary, located 17 km away (11 miles). There are insufficient 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 prevailing wind at Okiwi - Whangapoua Estuary blows from the NE. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Okiwi - Whangapoua Estuary. On the other hand, dominant spokes represent favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical July, the model suggests that winds are light enough for the sea to be glassy (light blue) about 3% of the time (1 days each July) and blows offshore just 22% of the time (3 days in an average July). Over an average July winds stronger than >40kph (25mph) are expected on 3 days at Okiwi - Whangapoua Estuary

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