Topsail Island Wind Stats

This image shows how frequently and how strongly the wind blows from different directions over a normal July. The largest 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 3472 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Topsail Island, located 45 km away (28 miles). There are not enough 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 Topsail Island 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 Topsail Island. On the other hand, dominant spokes show favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical July, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 9% of the time (3 days each July) and blows offshore 14% of the time (4 days in an average July). Over an average July winds exceeding >40kph (25mph) are not expected, but 2 have winds on the range 30-40 (19-25) at Topsail Island

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