Silva Island-P Land Wind Stats

The rose diagram illustrates how frequently and how strongly the wind blows from different directions over a normal October. The longest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with deep blue strongest. It is based on 3471 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Silva Island-P Land, located 22 km away (14 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 prevailing wind at Silva Island-P Land blows from the SSW. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Silva Island-P Land. On the other hand, dominant spokes represent favoured directions, and the more the darkest shade of blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical October, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 36% of the time (11 days each October) and blows offshore 38% of the time (12 days in an average October). Over an average October winds exceeding >40kph (25mph) are not expected, but 0 have winds on the range 30-40 (19-25) at Silva Island-P Land

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