Surf Forecast Surf Report
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Kalutara South Wind Stats

Wind Stats

(% offshore)

All Swells

(any wind direction)

This picture shows how often and how strongly the wind blows from different directions through a typical March. 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 3460 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Kalutara South, located 51 km away (32 miles). There are insufficient 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 Kalutara South blows from the SSW. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Kalutara South. By contrast, dominant spokes illustrate 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 March, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 46% of the time (14 days each March) and blows offshore 54% of the time (16 days in an average March). During a typical March winds exceeding >40kph (25mph) are not expected, but 0 have winds on the range 30-40 (19-25) at Kalutara South

Also see Kalutara South surf stats

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