ZCZC SA98 NCC-HAMBURG 131330 UTC APR 26 NAV. WARN. NO. 217 GERMAN BIGHT. NORTHERLY TSS GERMAN BIGHT WESTERN APPROACH. THREE CARDINAL BUOYS ESTABLISHED: 'W 3' IN 54-1948N 006-0682E 'W 4' IN TRAQYNEEN 006-0663E 'S 5' IN 54-1539N 006-1213E. NNNN