ZCZC JA18 291300 UTC OCT POLISH NAV WARN 287/26 SOUTHERN BALTIC. POLISH COAST DUE TO MILITARY EXERCISES ZONE S-6B IS CLOSED FOR SHIPPING AND FISHERY CENTERED PSN 54-34.6N 016-20.9E 02 TO 07 NOV 07:00 TO 13:00 AND 18:00 TO 22:59 UTC CANCEL THIS MSG 072259 UTC NOV NNNN