Surf Forecast Surf Report
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Postollonec Wind Stats

Wind Stats

(% offshore)

All Swells

(any wind direction)

The rose diagram describes how frequently and how strongly the wind blows from different directions through a typical March. The largest 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 3460 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Postollonec, located 48 km away (30 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 dominant wind at Postollonec blows from the W. If the rose diagram shows a close to circular outline, it means there is no strong bias in wind direction at Postollonec. On the other hand, dominant spokes represent favoured directions, and the more dark blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average March, the model suggests that winds are light enough for the sea to be glassy (pale blue) about 6% of the time (2 days each March) and blows offshore 37% of the time (2 days in an average March). In a typical March winds stronger than >40kph (25mph) are expected on 6 days at Postollonec

Also see Postollonec surf stats

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