Goat Island/Mokuauia Wind Stats

The figure shows how often and how strongly the wind blows from different directions through a typical April. The largest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with deep blue showing the strongest winds. It is based on 3120 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Goat Island/Mokuauia, located 38 km away (24 miles). There are insufficient 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 dominant wind at Goat Island/Mokuauia blows from the NE. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Goat Island/Mokuauia. Converseley, dominant spokes illustrate favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average April, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 3% of the time (1 days each April) and blows offshore just 8% of the time (2 days in an average April). In a typical April winds stronger than >40kph (25mph) are expected on 3 days at Goat Island/Mokuauia

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