Stewart Island - Saber Reef Wind Stats

This image 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 implies the strength, with the darkest shade of blue strongest. It is based on 3360 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Stewart Island - Saber Reef, located 41 km away (25 miles). There are too few recording stations world wide to use actual wind data. No doubt some coastal places have very localized wind effects that would not be predicted by NWW3. According to the model, the most common wind at Stewart Island - Saber Reef blows from the SE. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Stewart Island - Saber Reef. 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. Over an average April, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 0% of the time (0 days each April) and blows offshore just 1.4% of the time (0 days in an average April). In a typical April wind stronger than >40kph (25mph) was expected for only a single days at Stewart Island - Saber Reef

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