Ria Foz Wind Stats

This picture shows how frequently and how strongly the wind blows from different directions through a typical April. The largest spokes point in the directions the wind most commonly blows from and the shade of blue implies the strength, with the strongest winds shown by dark blue. It is based on 3360 NWW3 forecasts of wind since since 2007, at 3hr intervals, for the closest NWW3 model node to Ria Foz, located 50 km away (31 miles). There are insufficient 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 Ria Foz blows from the NW. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Ria Foz. 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 8% of the time (2 days each April) and blows offshore 27% of the time (7 days in an average April). During a typical April winds stronger than >40kph (25mph) are expected on 3 days at Ria Foz

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