Otago Peninsula - Sandfly Bay Wind Stats

The rose diagram shows how frequently and how strongly the wind blows from different directions through a typical June. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue indicates the strength, with deep blue showing the strongest winds. It is based on 3266 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Otago Peninsula - Sandfly Bay, located 16 km away (10 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 prevailing wind at Otago Peninsula - Sandfly Bay blows from the S. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Otago Peninsula - Sandfly Bay. Converseley, dominant spokes show favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average June, the model suggests that winds are light enough for the sea to be glassy (light blue) about 8% of the time (2 days each June) and blows offshore 30% of the time (9 days in an average June). In a typical June winds stronger than >40kph (25mph) are expected on 5 days at Otago Peninsula - Sandfly Bay

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