Portstewart Strand Wind Stats

The graph shows how frequently and how strongly the wind blows from different directions through a typical June. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with dark blue showing the strongest winds. It is based on 3506 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Portstewart Strand, located 40 km away (25 miles). There are not enough 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 prevailing wind at Portstewart Strand blows from the WNW. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Portstewart Strand. 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 June, the model suggests that winds are light enough for the sea to be glassy (light blue) about 11% of the time (3 days each June) and blows offshore 28% of the time (6 days in an average June). In a typical June winds stronger than >40kph (25mph) are expected on 2 days at Portstewart Strand

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