Knowing, or at least being able to approximate, just how hard the wind is blowing is an important skill for a naturalist. Just how do you do that though? One easy way is to use the Beaufort Scale, a chart that gives you an approximation of what conditions on land and on sea are like at given wind speeds. It isn't perfect, but it can get you into the ballpark. Click on the link below for a PDF of the Beaufort Scale.