987 WHUS72 KJAX 111341 MWWJAX URGENT - MARINE WEATHER MESSAGE National Weather Service Jacksonville FL 841 AM EST Thu Feb 11 2021 AMZ450-452-454-470-472-112000- /O.EXT.KJAX.MF.Y.0005.000000T0000Z-210211T2000Z/ Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM- Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM- Coastal waters from St. Augustine to Flagler Beach FL out 20 NM- Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM- Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM- 841 AM EST Thu Feb 11 2021 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 3 PM EST THIS AFTERNOON... * WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...Coastal waters from St. Augustine to Flagler Beach FL out 20 NM, Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM, Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM, Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM and Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM. * WHEN...Until 3 PM EST this afternoon. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$