Catlins River Mouth Wind Stats

This image shows how often and how strongly the wind blows from different directions over a normal August. 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 3472 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Catlins River Mouth, located 21 km away (13 miles). There are insufficient 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 Catlins River Mouth blows from the SSE. If the rose plot shows a nearly round shape, it means there is no strong bias in wind direction at Catlins River Mouth. On the other hand, 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 August, the model suggests that winds are light enough for the sea to be glassy (light blue) about 7% of the time (2 days each August) and blows offshore 35% of the time (8 days in an average August). Over an average August winds stronger than >40kph (25mph) are expected on 2 days at Catlins River Mouth

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