Black Rock Wind Stats

This image describes how frequently 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 suggests the strength, with deep blue showing the strongest winds. It is based on 3360 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Black Rock, located 44 km away (27 miles). There are too few 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 most common wind at Black Rock blows from the ENE. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Black Rock. 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 5% of the time (2 days each April) and blows offshore 9% of the time (2 days in an average April). In a typical April winds exceeding >40kph (25mph) are not expected, but 2 have winds on the range 30-40 (19-25) at Black Rock

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