509  
WHUS72 KCHS 210159  
MWWCHS  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHARLESTON SC  
859 PM EST THU FEB 20 2020  
 
AMZ350-211000-  
/O.CON.KCHS.GL.W.0004.000000T0000Z-200221T2200Z/  
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-  
859 PM EST THU FEB 20 2020  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY
 
 
* WHAT...NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND SEAS  
6 TO 9 FT.  
 
* WHERE...SOUTH SANTEE RIVER TO EDISTO BEACH OUT 20 NM.  
 
* WHEN...UNTIL 5 PM EST FRIDAY.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR SEVERE CONDITIONS.  
 

 
 

 
 
AMZ352-211000-  
/O.CON.KCHS.GL.W.0004.000000T0000Z-200221T2200Z/  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-  
859 PM EST THU FEB 20 2020  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY
 
 
* WHAT...NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND SEAS  
5 TO 8 FT.  
 
* WHERE...EDISTO BEACH TO SAVANNAH OUT 20 NM.  
 
* WHEN...UNTIL 5 PM EST FRIDAY.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR SEVERE CONDITIONS.  
 

 
 

 
 
AMZ354-211000-  
/O.CON.KCHS.GL.W.0004.000000T0000Z-200221T2200Z/  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY-  
859 PM EST THU FEB 20 2020  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 5 PM EST FRIDAY
 
 
* WHAT...NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND SEAS  
6 TO 9 FT.  
 
* WHERE...SAVANNAH TO ALTAMAHA SOUND OUT 20 NM.  
 
* WHEN...UNTIL 5 PM EST FRIDAY.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR SEVERE CONDITIONS.  
 

 
 

 
 
AMZ374-211000-  
/O.CON.KCHS.GL.W.0004.000000T0000Z-200222T0300Z/  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-  
859 PM EST THU FEB 20 2020  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 10 PM EST FRIDAY
 
 
* WHAT...NORTH WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT AND SEAS  
9 TO 14 FT.  
 
* WHERE...SAVANNAH TO ALTAMAHA SOUND FROM 20 TO 60 NM.  
 
* WHEN...UNTIL 10 PM EST FRIDAY.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR SEVERE CONDITIONS.  
 

 
 

 
 
AMZ330-211000-  
/O.CON.KCHS.SC.Y.0017.000000T0000Z-200222T0000Z/  
CHARLESTON HARBOR-  
859 PM EST THU FEB 20 2020  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST FRIDAY
 
 
* WHAT...NORTH WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND  
WAVES 1 TO 2 FEET.  
 
* WHERE...CHARLESTON HARBOR.  
 
* WHEN...UNTIL 7 PM EST FRIDAY.  
 
* 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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