Awesome. Gives a much better picture of what the wind is doing.
Would be cool if you could overlay the synoptic charts over the wind speeds, would help learn how to read the charts.
this one is better
www.bom.gov.au/australia/charts/viewer/index.shtml
refresh for just about any variable you like - modelling for wind has saved some of my last minute windsurfing trips in the past.
Its the only weather page you need!