* WHAT…Dense fog will reduce visibility to less than 1 NM.
* WHERE…Gulf waters from East Cape Sable to Chokoloskee 20 to
60 NM out and beyond 5 fathoms.
* WHEN…Until 11 AM EST Tuesday.
* IMPACTS…A Dense Fog Advisory means that visibilities will be
reduced to one nautical mile or less. Low visibility will make
navigation difficult.