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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
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OBSERVATIONS
WEBCAM
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DOUGLAS SCALE
WIND SEA |
Italiano Mare di vento |
Français Mer du vent |
Español Mar de viento |
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 DESCRIPTION TERM State of the sea |
 WAVES AVERAGE HEIGHT |

Stato del mare |

État de la mer |

Estado del mar |
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0 |
Calm (glassy) |
- |
Calmo |
Calme |
Calma |
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1 |
Calm (rippled) |
0 - 0,10 metres |
Quasi calmo |
Calme (ridée) |
Calma (rizada) |
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2 |
Smooth |
0,10 - 0,50 metres |
Poco mosso |
Belle |
Marejadilla |
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3 |
Slight |
0,50 - 1,25 metres |
Mosso |
Peu agitée |
Marejada |
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4 |
Moderate |
1,25 - 2,50 metres |
Molto mosso |
Agitée |
Fuerte marejada |
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5 |
Rough |
2,50 - 4 metres |
Agitato |
Forte |
Gruesa |
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6 |
Very rough |
4 - 6 metres |
Molto agitato |
Très forte |
Muy gruesa |
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7 |
High |
6 - 9 metres |
Grosso |
Grosse |
Arbolada |
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8 |
Very high |
9 - 14 metres |
Molto grosso |
Très grosse |
Montañosa |
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9 |
Phenomenal |
over 14 metres |
Tempestoso |
Énorme |
Enorme |
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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
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SWELL |
Italiano Mare lungo |
Français Houle |
Español Mar de leva |
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WAVE LENGTH AND HEIGHT |
SPECIFICATION |
Metres |
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0 |
No swell |
Short wave Average wave Long wave
Low wave Moderate wave Heavy wave |
< 100 100 - 200 > 200
< 2 2 - 4 > 4 |
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1 |
Very low (short or low wave) |
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2 |
Low (long and low wave) |
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3 |
Light (short and moderate wave) |
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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.
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5 |
Moderate rough (long and moderate wave) |
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6 |
Rough (short and heavy wave) |
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7 |
High (average and heavy wave) |
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8 |
Very high (long and heavy wave) |
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9 |
Confused (wave length and height indefinable) |
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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
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