Aropaonui Wind Statistics, Spring averages since 2006
This chart describes how frequently and how strongly the wind blows from different directions through a typical southern hemisphere spring. The longest spokes point in the directions the wind most commonly blows from and the shade of blue implies the strength, with dark blue showing the strongest winds. It is based on 7249 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Aropaonui, located 24 km away (15 miles). There are too few 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 Aropaonui blows from the ESE. If the rose plot shows a nearly round shape, it means there is no strong bias in wind direction at Aropaonui. By contrast, dominant spokes illustrate favoured directions, and the more deep blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average southern hemisphere spring, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 18% of the time (16 days each southern hemisphere spring) and blows offshore 44% of the time (33 days in an average southern hemisphere spring). In a typical southern hemisphere spring wind stronger than >40kph (25mph) was expected for only a single days at Aropaonui
IMPORTANT: Beta version feature! Swell heights are open water values from NWW3. There is no attempt to model near-shore effects. Coastal wave heights will generally be less, especially if the break does not have unobstructed exposure to the open ocean.