Okiwi - Whangapoua Estuary Wind Stats

The figure shows how commonly and how strongly the wind blows from different directions over a normal October. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with the strongest winds shown by dark blue. It is based on 3471 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 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 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. By contrast, dominant spokes represent favoured directions, and the more deep blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical October, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 5% of the time (2 days each October) and blows offshore 26% of the time (2 days in an average October). Over an average October wind stronger than >40kph (25mph) was predicted for only a single days at Okiwi - Whangapoua Estuary

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