Surf Forecast Surf Report
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Sri Lanka Wind Stats

Wind Stats

(% offshore)

All Swells

(any wind direction)

The graph illustrates 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 indicates the strength, with the strongest winds shown by deep blue. It is based on 3460 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Sri Lanka, located 34 km away (21 miles). There are insufficient 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 Sri Lanka blows from the SW. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Sri Lanka. Converseley, 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 (pale blue) about 38% of the time (12 days each March) and blows offshore 75% of the time (19 days in an average March). In a typical March winds exceeding >40kph (25mph) are not expected, but 1 have winds on the range 30-40 (19-25) at Sri Lanka

Also see Sri Lanka surf stats

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