Animated Wind Map
A highly visual, zoomable, and insanely detailed, dynamic wind map from Cameron Beccario at nullschool.net. The map shows full global data and you can use your mouse wheel to zoom in and out plus and click'n'drag to move the view. By default it shows surface wind speeds and directions for northern Europe and the eastern Atlantic.
The data is updated every three hours, click the 'earth' text for more options.