Dense Fog Advisory issued December 17 at 10:12AM EST until December 18 at 10:00AM EST by NWS Jacksonville FL

* WHAT…Dense fog will reduce visibility to 1 NM or less.

* WHERE…Coastal waters from Fernandina Beach to St. Augustine
FL out 20 NM.

* WHEN…Until 10 AM EST Wednesday.

* IMPACTS…Low visibility will make navigation difficult.