Frenchmans Reef Wind Stats

The rose diagram describes how frequently and how strongly the wind blows from different directions over a normal May. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with deep blue strongest. It is based on 2944 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Frenchmans Reef, located 55 km away (34 miles). There are insufficient 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 Frenchmans Reef blows from the SE. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Frenchmans Reef. By contrast, dominant spokes represent favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical May, the model suggests that winds are light enough for the sea to be glassy (light blue) about 9% of the time (3 days each May) and blows offshore 39% of the time (12 days in an average May). Over an average May winds stronger than >40kph (25mph) are expected on 2 days at Frenchmans Reef

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