Ballycotton Wind Stats

The graph describes how commonly and how strongly the wind blows from different directions through a typical September. The longest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with the strongest winds shown by deep blue. It is based on 3360 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Ballycotton, located 38 km away (24 miles). There are not enough 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 dominant wind at Ballycotton blows from the SW. If the rose plot shows a nearly round shape, it means there is no strong bias in wind direction at Ballycotton. On the other hand, dominant spokes show 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 September, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 6% of the time (2 days each September) and blows offshore 50% of the time (2 days in an average September). During a typical September winds stronger than >40kph (25mph) are expected on 4 days at Ballycotton

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