Brant Rock Wind Stats

The rose diagram illustrates how frequently and how strongly the wind blows from different directions through a typical November. The largest 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 3347 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Brant Rock, located 16 km away (10 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 prevailing wind at Brant Rock blows from the NE. If the rose plot shows a nearly round shape, it means there is no strong bias in wind direction at Brant Rock. By contrast, dominant spokes show favoured directions, and the more deep blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average November, the model suggests that winds are light enough for the sea to be glassy (light blue) about 7% of the time (2 days each November) and blows offshore 22% of the time (4 days in an average November). In a typical November winds stronger than >40kph (25mph) are expected on 2 days at Brant Rock

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