Saffir-Simpson Hurricane Wind Scale Page ContentCategory OneWinds: 75 to 95 mphDamage: Minimal; signs, tree branches, power lines downCategory TwoWinds: 96 to 110 mphDamage: Moderate; larger signs, tree branches blown downCategory ThreeWinds: 111 to 130 mphDamage: Extensive; minor damage to buildings, trees blown downCategory FourWinds: 131 to 155 mphDamage: Extreme; almost total destruction of doors/windowsCategory FiveWinds: More than 155 mphStorm Surge: More than 18 feetDamage: Catastrophic; buildings, roofs, structures destroyed Quick Links More ›› No