OCL/NODC CODES USED IN THE WORLD OCEAN DATABASE 1998.

 OCL CODES ARE THE SAME AS THOSE USED BY NODC EXCEPT WHERE AN NODC
 CODE IS A CHARACTER VALUE IN WHICH CASE OCL ASSIGNS A NUMERIC
 EQUIVALENT. THE NODC CODE IS IN PARENTHESIS IF DIFFERENT FROM THE
 OCL CODE.

 FIRST NUMBER: OCL CODE
 SECOND NUMBER: NODC CODE
 THIRD NUMBER: CODE DESCRIPTION
                                        
     18    0109   SEA STATE (WMO3700)
     --    ----   --------------------
      0        -- CALM-GLASSY 0 FT (0 METERS)
      1        -- CALM-RIPPLED 0-1/3 FT (0-.1METERS)
      2        -- SMOOTH-WAVELET 1/3-1 2/3 FT (.1-.5 METERS)
      3        -- SLIGHT 1 2/3 - 4 FT(.5-1.25 METERS)
      4        -- MODERATE 4-8 FT(1.25-2.50 METERS)
      5        -- ROUGH 8-13 FT(2.50-4.0 METERS)
      6        -- VERY ROUGH 13-20 FT(4-6 METERS)
      7        -- HIGH 20-30 FT(6-9 METERS)
      8        -- VERY HIGH 30-45 FT(9-14 METERS)
      9        -- PHENOMENAL >45 FT (>14 METERS)