Angin berkuat kuasa 0 - Calm

Kesan ke atas bumi

Calm, smoke rises vertically

Laut negeri

Sea surface smooth and mirror-like

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

Angin berkuat kuasa 1 - Light Air

Kesan ke atas bumi

Smoke drift indicates wind direction, still wind vanes

Laut negeri

Scaly ripples, no foam crests

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

Angin berkuat kuasa 2 - Light Breeze

Kesan ke atas bumi

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

Laut negeri

Small wavelets, crests glassy, no breaking

Kelajuan
  • 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

Angin berkuat kuasa 3 - Gentle Breeze

Kesan ke atas bumi

Leaves and small twigs constantly moving, light flags extended

Laut negeri

Large wavelets, crests begin to break, scattered whitecaps

Kelajuan
  • 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

Angin berkuat kuasa 4 - Moderate Breeze

Kesan ke atas bumi

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

Laut negeri

Small waves. becoming longer, numerous whitecaps

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

Angin berkuat kuasa 5 - Fresh Breeze

Kesan ke atas bumi

Small trees in leaf begin to sway

Laut negeri

Moderate waves taking longer form, many whitecaps, some spray

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

Angin berkuat kuasa 6 - Strong Breeze

Kesan ke atas bumi

Larger tree branches moving, whistling in wires

Laut negeri

Larger waves , whitecaps common, more spray

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

Angin berkuat kuasa 7 - Near Gale

Kesan ke atas bumi

Whole trees moving, resistance felt walking against wind

Laut negeri

Sea heaps up, waves , white foam streaks off breakers

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

Angin berkuat kuasa 8 - Gale

Kesan ke atas bumi

Whole trees in motion, resistance felt walking against wind

Laut negeri

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

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

Angin berkuat kuasa 9 - Strong Gale

Kesan ke atas bumi

Slight structural damage occurs, slate blows off roofs

Laut negeri

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

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

Angin berkuat kuasa 10 - Storm

Kesan ke atas bumi

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

Laut negeri

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

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

Angin berkuat kuasa 11 - Violent Storm

Kesan ke atas bumi

Widespread devastation

Laut negeri

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

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

Angin berkuat kuasa 12 - Hurricane

Kesan ke atas bumi

Considerable destruction

Laut negeri

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

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