Stewart Island - Saber Reef Wind Stats

The rose diagram shows how frequently and how strongly the wind blows from different directions through a typical July. The longest spokes point in the directions the wind most commonly blows from and the shade of blue indicates the strength, with the strongest winds shown by dark blue. It is based on 3472 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Stewart Island - Saber Reef, located 41 km away (25 miles). There are not enough 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 Stewart Island - Saber Reef blows from the SE. If the rose plot shows a nearly round shape, it means there is no strong bias in wind direction at Stewart Island - Saber Reef. 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 July, 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 July) and blows offshore just 1.4% of the time (0 days in an average July). In a typical July wind stronger than >40kph (25mph) was forecast for only a single days at Stewart Island - Saber Reef

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