Llantwit Major Wind Stats

This image illustrates how often and how strongly the wind blows from different directions through a typical April. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue implies the strength, with deep blue strongest. It is based on 3359 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Llantwit Major, located 36 km away (22 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 most common wind at Llantwit Major blows from the WSW. If the rose plot shows a nearly round shape, it means there is no strong bias in wind direction at Llantwit Major. Converseley, dominant spokes illustrate favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average April, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 14% of the time (4 days each April) and blows offshore 32% of the time (0 days in an average April). During a typical April wind stronger than >40kph (25mph) was expected for only a single days at Llantwit Major

read more