ZCZC IA11 232139 UTC SEP J_PWFJDM M_Y_M_XWT SKAGERRAK. A 2 METER TALL BUOY REPORTED ADRIFT IN APPROX. PSN 58-22.6N 010-41.6E. IT HAS A YELLOW FLASHING LIGHT, 5 FLASHES EVERY 10 SEC. AT 232139 UTC SEP. NNNN