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 54-19,48N 006-06,82E, 'W 4' IN 54-16,33N 006-06,63E, 'S 5' IN 54-15,39N 006-12,13E. NNNN