774  
WHUS72 KCHS 200558  
MWWCHS  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHARLESTON SC  
1258 AM EST FRI DEC 20 2024  
 
AMZ352-201400-  
/O.CON.KCHS.MF.Y.0012.000000T0000Z-241220T1200Z/  
/O.CON.KCHS.SC.Y.0089.241220T2100Z-241221T1500Z/  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
1258 AM EST FRI DEC 20 2024  
 
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS  
MORNING...  
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS  
AFTERNOON TO 10 AM EST SATURDAY...  
 
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE  
VISIBILITY TO 1/2 TO 1 NM. FOR THE SMALL CRAFT ADVISORY,  
NORTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND SEAS 3 TO  
5 FT EXPECTED.  
 
* WHERE...EDISTO BEACH TO SAVANNAH OUT 20 NM.  
 
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 7 AM EST THIS  
MORNING. FOR THE SMALL CRAFT ADVISORY, FROM 4 PM THIS  
AFTERNOON TO 10 AM EST SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT. LOW  
VISIBILITY WILL MAKE NAVIGATION DIFFICULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
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.  
 
 
 
 
 
AMZ354-201400-  
/O.CON.KCHS.MF.Y.0012.000000T0000Z-241220T1200Z/  
/O.CON.KCHS.SC.Y.0089.241220T2100Z-241221T1500Z/  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
1258 AM EST FRI DEC 20 2024  
 
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS  
MORNING...  
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS  
AFTERNOON TO 10 AM EST SATURDAY...  
 
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE  
VISIBILITY TO 1/4 TO 1/2 NM. FOR THE SMALL CRAFT ADVISORY,  
NORTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND SEAS 3  
TO 5 FT EXPECTED.  
 
* WHERE...SAVANNAH TO ALTAMAHA SOUND OUT 20 NM.  
 
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 7 AM EST THIS  
MORNING. FOR THE SMALL CRAFT ADVISORY, FROM 4 PM THIS  
AFTERNOON TO 10 AM EST SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT. LOW  
VISIBILITY WILL MAKE NAVIGATION DIFFICULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
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.  
 
 
 
 
 
AMZ374-201400-  
/O.CON.KCHS.MF.Y.0012.000000T0000Z-241220T1200Z/  
/O.CON.KCHS.SC.Y.0089.241220T2100Z-241221T1500Z/  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-  
1258 AM EST FRI DEC 20 2024  
 
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS  
MORNING...  
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS  
AFTERNOON TO 10 AM EST SATURDAY...  
 
* WHAT...FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE  
VISIBILITY TO LESS THAN 1/2 TO 1 NM. FOR THE SMALL CRAFT  
ADVISORY, NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND  
SEAS 4 TO 7 FT EXPECTED.  
 
* WHERE...SAVANNAH TO ALTAMAHA SOUND FROM 20 TO 60 NM.  
 
* WHEN...FOR THE DENSE FOG ADVISORY, UNTIL 7 AM EST THIS  
MORNING. FOR THE SMALL CRAFT ADVISORY, FROM 4 PM THIS  
AFTERNOON TO 10 AM EST SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT. LOW  
VISIBILITY WILL MAKE NAVIGATION DIFFICULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
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.  
 
 
 
 
 
AMZ350-201400-  
/O.CON.KCHS.SC.Y.0089.241220T2100Z-241221T1500Z/  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
1258 AM EST FRI DEC 20 2024  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS  
AFTERNOON TO 10 AM EST SATURDAY...  
 
* WHAT...NORTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND  
SEAS 3 TO 6 FT EXPECTED.  
 
* WHERE...SOUTH SANTEE RIVER TO EDISTO BEACH OUT 20 NM.  
 
* WHEN...FROM 4 PM THIS AFTERNOON TO 10 AM EST SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
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