ZCZC FA54 250638 UTC MAY ESTONIAN NAV WARN 074/26 GULF OF FINLAND. 280500 - 311600 UTC MAY FIRING EXERCISES IN PROGRESS NW OF PORT KUNDA IN AREA BOUNDED BY: 59-33.33N 026-21.32E 59-33.57N 026-19.67E 59-38.18N 026-09.88E 59-40.88N 026-20.62E 59-38.88N 026-31.68E 59-33.90N 026-24.13E 59-33.35N 026-21.57E SHIPPING IN AREA TEMPORARILY PROHIBITED. CANCEL 311600 UTC MAY. NNNN