ZCZC JA27 061258 UTC JUL 26 VARNA RADIO NW 457/26 VARNA BAY. DUE TO HYDROTECHNICAL ACTIVITIES FM 06.07. TILL 21.08.2026 SHIPPING I* PROHIBITED IN REGION: 43 10518N 027=55014E 43 10596N 027 55110E 43 10548N 027 55224E 43 10470N 027 55092E. NNNN