ZCZC FA86 180021 UTC OCT FINNISH NAV WARN 563/26 SEA AREA OF KOTKA APPROACHES IS CLOSED. AREA IS LIMITED TO KAUNISSAAREN SELK IN WEST HAMINA HARBOUR IN NORTH TERRITORIAL SEA LIMIT IN EAST AND TERRITORIAL SEA LIMIT IN SOUTH. FURTHER INFORMATION FROM KOTKA VTS ON VHF CHANNEL 67. NNNN