Table 5.— STATE OF SEA— WIND WAVES 

 (WMO Code 75) 



Code 



Description 



Calm — glassy 



Calm — ripples 



Smooth — waveletB. 



Slight 



Moderate 



Rough 



Very rough 



High 



Very high 



Phenomenal 



Height 



NOTE: The exact bounding height is to be assigned to the lower 

 code figure, that is, a height of 4 feet is coded as 3. 



Table 6.— SWELL CONDITION CODE 



H. O. 607 



change 7. 74 August 7958 



187 



