ZCZC HA47 051248 UTC JAN BALTIC SEA NAV WARN 001/26 BALTIC SEA AREA AND INLAND WATERWAYS. DUE TO WINTER CONDITIONS ALONG THE COASTS FLOATING NAVIGATIONAL AIDS AND ALSO SOME LIGHTS LEADING LIGHTS AND MARKS COULD BE UNLIT OFF POSITION OR CAPSIZED. MANY BUOYS AND MARKS HAVE BEEN WITHDRAWN. NAVIGATIONAL WARNINGS WILL NORMALLY NOT BE ISSUED IN AREAS COVERED BY ICE. NAVIGATE WITH CAUTION. NNNN