Nautica Digitale Olympic - Sochi 2014
  Sponsor: MEDITERRANEO YACHTING CLUB 

The scale to estimate the state of the sea with english, italian, french and spanish terminology

The "state of the sea" is the locally observed motion of the waves generated by the combined effects of "wind sea" and "swell"

BEAUFORT SCALE

WAVE CLIMATE

PILOT CHARTS

TIDE PREDICTION

NOTICE TO MARINERS

METEOMED™

REPORT REPORT

METEOMAR METEOMAR

FORECASTS FORECASTS

CHARTS CHARTS

CLIMATE CLIMATE

OBSERVATIONS OBSERVATIONS

WEBCAM WEBCAM



DOUGLAS SCALE

WIND SEA Italiano
Mare di vento
Français
Mer du vent
Español
Mar de viento

DESCRIPTION TERM
State of the sea

WAVES
AVERAGE HEIGHT


Stato del mare


État de la mer


Estado del mar
0 Calm (glassy) - Calmo Calme Calma
1 Calm (rippled) 0 - 0,10 metres Quasi calmo Calme (ridée) Calma (rizada)
2 Smooth 0,10 - 0,50 metres Poco mosso Belle Marejadilla
3 Slight 0,50 - 1,25 metres Mosso Peu agitée Marejada
4 Moderate 1,25 - 2,50 metres Molto mosso Agitée Fuerte marejada
5 Rough 2,50 - 4 metres Agitato Forte Gruesa
6 Very rough 4 - 6 metres Molto agitato Très forte Muy gruesa
7 High 6 - 9 metres Grosso Grosse Arbolada
8 Very high 9 - 14 metres Molto grosso Très grosse Montañosa
9 Phenomenal over 14 metres Tempestoso Énorme Enorme
The "wind sea" is the motion of the waves generated by the wind blowing directly on the observed sea area
or in its immediate vicinity

SWELL Italiano
Mare lungo
Français
Houle
Español
Mar de leva
WAVE LENGTH AND HEIGHT SPECIFICATION Metres
0 No swell Short wave
Average wave
Long wave

Low wave
Moderate wave
Heavy wave
< 100
100 - 200
> 200

< 2
2 - 4
> 4
1 Very low (short or low wave)
2 Low (long and low wave)
3 Light (short and moderate wave)
4 Moderate (average and moderate wave)
NOTE
The swell reports also comprise the wave direction according to the eight main directions of the wind rose expressed in the english notation (N, NE, E, SE, S, SW, W, NW). For instance: Swell 2 from SW or Low swell from NW.
5 Moderate rough (long and moderate wave)
6 Rough (short and heavy wave)
7 High (average and heavy wave)
8 Very high (long and heavy wave)
9 Confused (wave length and height indefinable)
The "Swell" waves are generated by winds blowing over a distant sea area which travel rapidly over the surface with a regular period and flat crests