Check this out fellas
This rugged, pocket friendly wind meter turns your smartphone into a high-tech meteorological tool. Works with iPhone® 4, 4S, 5 and Samsung Galaxy S2, S3, S4. Made of a one-piece durable plastic rotor and low-friction Teflon bearing, the wind meter communicates directly to the magnetic field sensor in your smartphone. Downloadable, free app allows you to register actual, mean and max wind speed on a smooth graph that supports both drag and pinch to zoom in on all the details.
Reviews are good. I want one
$50 at West Marine
http://www.westmarine.com/webapp/wcs...04#showReviews
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