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Gansbaai Wind Stats

Wind Stats

(% offshore)
Gansbaai.wind.statistics.maySw.animatedSw.label.animated

All Swells

(any wind direction)

The figure illustrates how often and how strongly the wind blows from different directions through a typical May. 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 3192 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Gansbaai, located 32 km away (20 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 most common wind at Gansbaai blows from the SW. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Gansbaai. By contrast, dominant spokes illustrate favoured directions, and the more dark 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 (pale blue) about 14% of the time (4 days each May) and blows offshore 44% of the time (13 days in an average May). During a typical May winds stronger than >40kph (25mph) are expected on 3 days at Gansbaai

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Also see Gansbaai surf stats

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