216  
FZUS72 KCHS 210951  
MWSCHS  
 
MARINE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
451 AM EST WED FEB 21 2018  
 
AMZ330-211300-  
CHARLESTON HARBOR-  
451 AM EST WED FEB 21 2018  
   
..AREAS OF SEA FOG PERSIST IN CHARLESTON HARBOR
 
 
AREAS OF SEA FOG WILL PERSIST IN THE CHARLESTON HARBOR THROUGH 8  
AM. THE NATURE OF THE FOG IS SUCH THAT VISIBILITIES WILL VARY  
GREATLY THROUGHOUT HARBOR, ESPECIALLY CLOSER TO THE HARBOR  
ENTRANCE AND FORT SUMTER. THE FOG WILL BE LOCALLY DENSE AT TIMES  
WITH VISIBILITIES 1 NM OR LESS. THERE IS STILL A POSSIBILITY THAT  
THE FOG COULD BECOME MORE WIDESPREAD CLOSER TO SUNRISE AND A  
MARINE DENSE FOG ADVISORY COULD STILL BE NEEDED.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS ARE URGED TO NAVIGATE WITH EXTREME CARE. IF YOU MUST  
NAVIGATE IN THESE CONDITIONS, PROCEED WITH CAUTION. USE PROPER  
FOG SIGNALS, INCLUDING FOG HORNS. MAKE SURE ALL NAVIGATIONAL  
RUNNING LIGHTS ARE ON.  
 
PLEASE RELAY ANY REPORTS OF SEA FOG TO THE CHARLESTON COAST GUARD  
STATION AND ASK THEM TO IMMEDIATELY FORWARD YOUR REPORT TO THE  
NATIONAL WEATHER SERVICE IN CHARLESTON.  
 

 
 

 
 
AMZ350-352-354-211300-  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
451 AM EST WED FEB 21 2018  
   
..PATCHY DENSE SEA FOG CONTINUES OVER THE NEARSHORE WATERS
 
 
SATELLITE, WEBCAMS AND SURFACE OBSERVATIONS SHOW PATCHY DENSE  
SEA FOG CONTINUES ACROSS THE NEARSHORE WATERS OF SOUTHEAST  
GEORGIA AND SOUTHEAST SOUTH CAROLINA EARLY THIS MORNING. THE RISK  
FOR SEA FOG WILL LINGER THROUGH SUNRISE WITH VISIBILITIES  
DROPPING BELOW 1 NM AT TIMES, ESPECIALLY WITHIN 5 NM OF THE  
COAST. THERE IS A POSSIBILITY THAT MORE WIDESPREAD SEA FOG COULD  
DEVELOP AND A MARINE DENSE FOG ADVISORY COULD BE NEEDED FOR SOME  
AREAS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS ARE URGED TO NAVIGATE WITH EXTREME CARE. IF YOU MUST  
NAVIGATE IN THESE CONDITIONS, PROCEED WITH CAUTION. USE PROPER  
FOG SIGNALS, INCLUDING FOG HORNS. MAKE SURE ALL NAVIGATIONAL  
RUNNING LIGHTS ARE ON.  
 
PLEASE RELAY ANY REPORTS OF SEA FOG TO THE CHARLESTON OR TYBEE  
ISLAND COAST GUARD STATIONS AND ASK THEM TO IMMEDIATELY FORWARD  
YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN CHARLESTON.  
 

 
 

 
 
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