| 0 | 
			< 1 km/h0 - 0,2 m/s0 ktCalm 
		
 
		
			On the WaterFlat.
			On LandSmoke rises vertically | 
  
	| 1 | 
			1 - 5 km/h0,3 - 1,5 m/s1 - 3 ktLight air 
		
 
		
			On the WaterSmall, scaly ripples without crests
			On LandWind indicated by drift of smoke | 
  
	| 2 | 
	6 - 11 km/h1,6 - 3,3 m/s4 - 6 ktLight breeze 
	
 
		
			On the WaterSmall wavelets, even shorter but more pronounced. The crests look glassy and do not break.
			On LandWind vane begin to move | 
  
	| 3 | 12 - 19 km/h3,4 - 5,4 m/s7 - 10 ktGentle breeze
 
	
 
		
			On the WaterLarge wavelets, crests begin to break, scattered small whitecaps.
			On LandLeaves and small twigs moving, light flags extended | 
  
	| 4 | 20 - 28 km/h5,5 - 7,9 m/s11 - 16 ktModerate breeze
 
 
		
			On the WaterWaves still small, but become longer, numerous whitecaps
			On LandDust, leaves and loose paper lifted, twigs and thinner branches move | 
  
	| 5 | 29 - 38 km/h8,0 - 10,7 m/s17 - 21 ktFresh breeze
 
	
 
		
			On the WaterModerate waves with pronounced long shape. Many whitecaps, sporadic spray.
			On LandSmall trees in leaf begin to sway | 
  
  	| 6 | 39 - 49 km/h10,8 - 13,8 m/s22 - 27 ktStrong breeze
 
	
 
		
			On the WaterLarge waves begin to form; crests break and leave behind larger white foam surfaces; some spray.
			On LandLarger branches moving | 
  
	| 7 | 50 - 61 km/h13,9 - 17,1 m/s28 - 33 ktHigh wind
 
 
		
			On the WaterSea heaps up and foam begins to streak.
			On LandWhole trees in motion. | 
  
  	| 8 | 62 - 74 km/h17,2 - 20,7 m/s34 - 40 ktFresh Gale
 
	
 
		
			On the WaterModerately high waves, edges of crests begin to break into spindrift, foam blown in streaks
			On LandTwigs breaking off trees, generally impedes progress | 
  
  	| 9 | 75 - 88 km/h20,8 - 24,4 m/s41 - 47 ktStrong Gale
 
	
 
		
			On the WaterHigh waves with dense foam, wave crests start to roll over, spray may reduce visibility
			On LandLarger branches break off trees, and some small trees blow over, minor damage to houses. | 
  
  	| 10 | 89 - 102 km/h24,5 - 28,4 m/s48 - 55 ktWhole Storm
 
	
 
		
			On the WaterVery high wave with overhanging crests, large patches of foam give the sea a white appearance, heavy rolling, lowered visibility.
			On LandUprooted trees, considerable structural damage. | 
  
	| 11 | 103 - 117 km/h28,5 - 32,6 m/s56 - 63 ktViolent Storm
 
	
 
		
			On the WaterExceptionally high waves, very large patches of foam cover sea, visibility severely reduced.
			On LandWidespread vegetation damage | 
  
  	| 12 | 
	> 117 km/h> 32,7 m/s> 64 ktHurricane-force 
	
 
		
			On the WaterHuge waves. Sea is completely white with foam and spray. Air is filled with driving spray, greatly reducing visibility.
			On LandSevere damage |