Stewart Island - Saber Reef Wind Stats

The figure describes how commonly and how strongly the wind blows from different directions through a typical May. The longest spokes point in the directions the wind most commonly blows from and the shade of blue implies the strength, with dark blue strongest. It is based on 3422 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. 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 Stewart Island - Saber Reef blows from the SSE. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Stewart Island - Saber Reef. By contrast, dominant spokes show favoured directions, and the more the darkest shade of blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average May, the model suggests that winds are light enough for the sea to be glassy (light blue) about 0.2% of the time (0 days each May) and blows offshore just 1.0% of the time (0 days in an average May). In a typical May winds exceeding >40kph (25mph) are not expected, but 0 have winds on the range 30-40 (19-25) at Stewart Island - Saber Reef

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