Wind sile 0 - Calm

Vpliv na Zemlji

Calm, smoke rises vertically

Stanje morja

Sea surface smooth and mirror-like

Speed
  • 0-1 km/h
  • 0-0,54 noeuds (knot)
  • 0 - 0,621 mph
hauteur
  • 0 m
  • 0 ft
 Signe

Wind sile 1 - Light Air

Vpliv na Zemlji

Smoke drift indicates wind direction, still wind vanes

Stanje morja

Scaly ripples, no foam crests

Speed
  • 1-5 km/h
  • 0,54-2,7 noeuds (knot)
  • 0,621 - 3,11 mph
hauteur
  • 0 - 0,1 m
  • 0-1 ft
 Signe

Wind sile 2 - Light Breeze

Vpliv na Zemlji

Wind felt on face, leaves rustle, vanes begin to move

Stanje morja

Small wavelets, crests glassy, no breaking

Speed
  • 5-11 km/h
  • 2,7-5,9 noeuds (knot)
  • 3,11-6,84 mph
hauteur
  • 0,1 - 0,5 m
  • 1-2 ft
 Signe

Wind sile 3 - Gentle Breeze

Vpliv na Zemlji

Leaves and small twigs constantly moving, light flags extended

Stanje morja

Large wavelets, crests begin to break, scattered whitecaps

Speed
  • 11-19 km/h
  • 5.9-10,2 noeuds (knot)
  • 6,84-11,81 mph
hauteur
  • 0,5 - 1,25 m
  • 2-3,5 ft
 Signe

Wind sile 4 - Moderate Breeze

Vpliv na Zemlji

Dust, leaves, and loose paper lifted, small tree branches move

Stanje morja

Small waves. becoming longer, numerous whitecaps

Speed
  • 19-28 km/h
  • 10,2-15 noeuds (knot)
  • 11,81-17,4 mph
hauteur
  • 1-2 m
  • 3,5-6 ft
 Signe

Wind sile 5 - Fresh Breeze

Vpliv na Zemlji

Small trees in leaf begin to sway

Stanje morja

Moderate waves taking longer form, many whitecaps, some spray

Speed
  • 28-38 km/h
  • 15-20,5 noeuds (knot)
  • 17,4-23,61 mph
hauteur
  • 2-3 m
  • 6-9 ft
 Signe

Wind sile 6 - Strong Breeze

Vpliv na Zemlji

Larger tree branches moving, whistling in wires

Stanje morja

Larger waves , whitecaps common, more spray

Speed
  • 38-50 km/h
  • 20,5-27 noeuds (knot)
  • 23,61-31,07 mph
hauteur
  • 3-4 m
  • 9-13 ft
 Signe

Wind sile 7 - Near Gale

Vpliv na Zemlji

Whole trees moving, resistance felt walking against wind

Stanje morja

Sea heaps up, waves , white foam streaks off breakers

Speed
  • 50-61 km/h
  • 27-33 noeuds (knot)
  • 31,07-37,9 mph
hauteur
  • 4-5,5 m
  • 13-19 ft
 Signe

Wind sile 8 - Gale

Vpliv na Zemlji

Whole trees in motion, resistance felt walking against wind

Stanje morja

Moderately high waves of greater length, edges of crests begin to break into spindrift, foam blown in streaks

Speed
  • 62-74 km/h
  • 33-40 noeuds (knot)
  • 37,9-45,98 mph
hauteur
  • 5,5-7,5 m
  • 18-25 ft
 Signe

Wind sile 9 - Strong Gale

Vpliv na Zemlji

Slight structural damage occurs, slate blows off roofs

Stanje morja

High waves, sea begins to roll, dense streaks of foam, spray may reduce visibility

Speed
  • 75-88 km/h
  • 40-47,5 noeuds (knot)
  • 45,98-54,68 mph
hauteur
  • 7-10 m
  • 23-32 ft
 Signe

Wind sile 10 - Storm

Vpliv na Zemlji

Seldom experienced on land, trees broken or uprooted,considerable structural damage

Stanje morja

Very high waves with overhanging crests, sea white with densely blown foam, heavy rolling, lowered visibility

Speed
  • 89-102 km/h
  • 47,5-55 noeuds (knot)
  • 54,68-63,38 mph
hauteur
  • 9-12,5 m
  • 29-41 ft
 Signe

Wind sile 11 - Violent Storm

Vpliv na Zemlji

Widespread devastation

Stanje morja

Exceptionally high waves, foam patches cover sea, visibility more reduced

Speed
  • 103-117 km/h
  • 55-63 noeuds (knot)
  • 63,38-72,2 mph
hauteur
  • 11,5-16 m
  • 37-52 ft
 Signe

Wind sile 12 - Hurricane

Vpliv na Zemlji

Considerable destruction

Stanje morja

Air filled with foam, sea completely white with driving spray, visibility greatly reduced

Speed
  • >118 km/h
  • >63 noeuds (knot)
  • >72,2 mph
hauteur
  • >14 m
  • >46 ft
 Signe