Okiwi - Whangapoua Estuary Wind Stats

The rose diagram shows how commonly and how strongly the wind blows from different directions over a normal December. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue indicates the strength, with deep blue strongest. It is based on 3448 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. Without question 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 diagram shows a close to circular outline, it means there is no strong bias in wind direction at Okiwi - Whangapoua Estuary. On the other hand, dominant spokes illustrate favoured directions, and the more deep blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical December, the model suggests that winds are light enough for the sea to be glassy (light blue) about 8% of the time (2 days each December) and blows offshore 35% of the time (3 days in an average December). Over an average December winds stronger than >40kph (25mph) are expected on 2 days at Okiwi - Whangapoua Estuary

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