Punta Arenas Wind Stats

The rose diagram shows how commonly and how strongly the wind blows from different directions over a normal August. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue indicates the strength, with deep blue strongest. It is based on 1342 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Punta Arenas, located 82 km away (51 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 Punta Arenas blows from the S. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Punta Arenas. On the other hand, dominant spokes illustrate favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. During a typical August, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 40% of the time (12 days each August) and blows offshore 71% of the time (6 days in an average August). Over an average August winds exceeding >40kph (25mph) are not expected, but 0 have winds on the range 30-40 (19-25) at Punta Arenas

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