ZCZC IA97 011221 UTC OCT DANISH NAV WARN 389/26 DENMARK. KATTEGAT. LAESO N. A GREEN LIGHT BUOY HAS BEEN OBSERVED ADRIFT 57-30.6N 010-59.8E 1ST OCTOBER 2026 AT 1158 UTC. CANCEL THIS WARNING 1ST OCTOBER 2026 AT 2358 UTC. NNNN