Alnes Lighthouse Wind Stats

The graph shows how commonly and how strongly the wind blows from different directions through a typical October. The biggest spokes point in the directions the wind most commonly blows from and the shade of blue suggests the strength, with deep blue showing the strongest winds. It is based on 3471 NWW3 forecasts of wind since since 2006, at 3hr intervals, for the closest NWW3 model node to Alnes Lighthouse, located 3 km away (2 miles). There are too few recording stations world wide to use actual wind data. Without question some coastal places have very localized wind effects that would not be predicted by NWW3. According to the model, the prevailing wind at Alnes Lighthouse blows from the NW. If the rose graph shows a fairly circular pattern, it means there is no strong bias in wind direction at Alnes Lighthouse. Converseley, dominant spokes illustrate favoured directions, and the more deep blue, the stronger the wind. Spokes point in the direction the wind blows from. Over an average October, the model suggests that winds are light enough for the sea to be glassy (the lightest shade of blue) about 15% of the time (5 days each October) and blows offshore 43% of the time (6 days in an average October). During a typical October winds stronger than >40kph (25mph) are expected on 3 days at Alnes Lighthouse

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