The Beaufort scale is an empirical measure for describing wind speed based mainly on observed sea conditions. Its full name is the Beaufort wind force scale. THIS iPhone delivery mechanism of Beaufort wind force scale is ideal for the world boater, sailor or yachtsman, who has no internet access and lacks electronic or paper versions. Relate information on VHF Wx channels to current conditions. Works great in Airplane Mode. Additional activities that may benefit are fishing, golf, cricket, hunting, baseball - virtually anything outdoors.