ZCZC JA42 070600 UTC APR POLISH NAV WARN 070/2026 SOUTHERN BALTIC. POLISH COAST DUE TO MILITARY EXERCISES ZONE IS CLOSED FOR SHIPPING AND FISHERY: S-6 CENTERED 54-39.27N 016-36.59E APRIL 7 AND 9 - 11 2026 FROM 06:00 TO 14:00 8 APRIL FROM 06:00 TO 21:59 ZONE IS CLOSED CANCEL THIS MSG 111400 UTC APR NNNN