North Jetty (Hikkaduwa) Wind Stats

The figure illustrates how commonly and how strongly the wind blows from different directions through a typical May. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue implies the strength, with dark blue showing the strongest winds. It is based on 2838 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to North Jetty (Hikkaduwa), located 28 km away (17 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 North Jetty (Hikkaduwa) blows from the SSW. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at North Jetty (Hikkaduwa). On the other hand, dominant spokes show favoured directions, and the more deep 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 8% of the time (2 days each May) and blows offshore 8% of the time (2 days in an average May). In a typical May winds exceeding >40kph (25mph) are not expected, but 2 have winds on the range 30-40 (19-25) at North Jetty (Hikkaduwa)

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