Bølgehøjde i m Beskrivelse til havs Betegnelse 0mråde m/sek Beaufort m/sec UK Expressions Units in km/h (m/sec) Units in knots Description on Land Description at Sea
0,0 Vandfladen spejlblank Stille 0-0,2 0 0,0 Calm 0 0 Smoke rises vertically Sea like a mirror.
0,1 Små krusninger Næsten Stille 0,3-1,5 1 0,5 Light winds 19 km/h or less <10 Wind felt on face; leaves rustle; ordinary vanes moved by wind. Small waveless, ripples formed but do not break: A glassy appearance maintained. 
        1,0   (5m/sec)  
0,2 Korte småbølger Svag vind 1,6-3,3 2 1,5      
        2,0      
        2,5      
        3,0      
0,6 Enkelte hvide skumtoppe Let vind 3,4-5,4 3 3,5      
        4,0      
        4,5      
        5,0      
1,0 Lange bølger, hyppige skumtoppe Jævn vind 5,5-7,9 4 5,5 Moderate winds 20 - 29 km/h 11-16 Raises dust and loose paper; small branches are moved. Small waves - becoming longer; fairly frequent white horses.
      6,0   (5,5m-8,2m/sec)  
      6,5      
      7,0      
      7,5      
2,0 Overalt hvide skumtoppe Frisk vind 8,0-10,7 5 8,0      
      8,5 Fresh winds 30 - 39 km/h 17-21 Small trees in leaf begin to sway; crested waveless form on inland water Moderate waves, taking a more pronounced long form; many white horses are formed - a chance of some spray
      9,0 (8,3m-10,8m/sec)  
      9,5    
      10,0    
      10,5    
3,0 Store bølger, skumsprøjt Hård vind 10,8-13,8 6 11,0 Strong winds 40 - 50 km/h 22-27 Large branches in motion; whistling heard in telephone wires; umbrellas used with difficulty.  Large waves begin to form; the white foam crests are more extensive with probably some spray
        11,5   (10,9m-13,8m/sec)  
        12,0      
        12,5      
        13,0      
        13,5      
4,0 Bølgerne tårner op, toppene brydes, skumstriber og -sprøjt overalt Stiv kuling 13,9-17,1 7 14,0 Strong winds 51 - 62 km/h 28-33 Whole trees in motion; inconvenience felt when walking against wind. Sea heaps up and white foam from breaking waves begins to be blown in streaks along direction of wind.
      14,5   (14,1m-17,2m/sec)  
      15,0      
      15,5      
      16,0      
      16,5      
      17,0      
5,5 Bølgerne tårner op, toppene brydes, skumstriber og -sprøjt overalt Hård kuling 17,2-20,7 8 17,5 Gale 63 - 75 km/h 34-40 Twigs break off trees; progress generally impeded. Moderately high waves of greater length; edges of crests begin to break into spin drift; foam is blown in well marked streaks along the direction of the wind.
      18,0   (17,3m-20,8m/sec)  
      18,5      
      19,0      
      19,5      
      20,0      
      20,5      
7,0 Høje bølger. Toppene brækker Stormende kuling 20,8-24,4 9 21,0 Gale 76 - 87 km/h 41-47 Slight structural damage occurs -roofing dislodged; larger branches break off. High waves; dense streaks of foam; crests of waves begin to topple, tumble and roll over; spray may affect visibility.
        21,5   (21,1m-24,2m/sec)  
        22,0      
        22,5      
        23,0      
        23,5      
        24,0      
9,0 Brådsøer. Havet næsten hvidt Storm 24,5-28,4 10 24,5 Storm 88 - 102 km/h 48-55 Seldom experienced inland; trees uprooted; considerable structural damage. Very high waves with long overhanging crests; the resulting foam in great patches is blown in dense white streaks; the surface of the sea takes on a white appearance; the tumbling of the sea becomes heavy with visibility affected. 
        25,0   (24,4m-28,3m/sec)  
        25,5      
        26,0      
        26,5      
        27,0      
        27,5      
        28,0      
12,5 Overalt frådende skum Stærk storm 28,5-32,6 11 28,5 Storm 103 km/h  > 56  > Very rarely experienced - widespread damage Exceptionally high waves; small and medium sized ships occasionally lost from view behind waves; the sea is completely covered with long white patches of foam; the edges of wave crests are blown into froth.
        29,0   (28,6m/sec  >)  
        29,5      
        30,0      
        30,5      
        31,0      
        31,5      
        32,0      
        32,5      
14,0 Luften fyldt med skum og sprøjt Orkan 32,7 > 12 33,0      
               
               
               
               
Read more about: waves and kmh
Secure SFTP and FTPS provided by GoFTP FREE Version