Mounts Bay (Penzance) Wind Stats

This image illustrates how often and how strongly the wind blows from different directions over a normal May. The biggest 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 3192 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Mounts Bay (Penzance), located 14 km away (9 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 prevailing wind at Mounts Bay (Penzance) blows from the SW. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Mounts Bay (Penzance). Converseley, dominant spokes represent favoured directions, and the more deep blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical May, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 2% of the time (1 days each May) and blows offshore just 6% of the time (1 days in an average May). Over an average May wind stronger than >40kph (25mph) was predicted for only a single days at Mounts Bay (Penzance)

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