Dense Fog Advisory issued December 30 at 4:20PM EST until December 31 at 11:00AM EST by NWS Key West FL
* 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.