415
WHUS72 KCHS 232246
MWWCHS
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
646 PM EDT WED SEP 23 2026
AMZ384-240700-
/O.CON.KCHS.SC.Y.0050.000000T0000Z-260924T1800Z/
/O.CON.KCHS.GL.W.0011.260924T1800Z-260925T1000Z/
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA EXTENDING FROM 20 TO
60 NM-
646 PM EDT WED SEP 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 2 PM THURSDAY TO 6 AM EDT
FRIDAY...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTH WINDS AROUND 25 KT
WITH GUSTS UP TO 30 KT AND SEAS 5 TO 8 FT. FOR THE GALE
WARNING, NORTH WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT AND
SEAS 7 TO 10 FT EXPECTED.
* WHERE...SAVANNAH TO ALTAMAHA SOUND FROM 20 TO 60 NM.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 2 PM EDT THURSDAY.
FOR THE GALE WARNING, FROM 2 PM THURSDAY TO 6 AM EDT 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 HAZARDOUS CONDITIONS.
AMZ380-240700-
/O.CON.KCHS.GL.W.0011.260924T1000Z-260925T1000Z/
WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC EXTENDING
FROM 20 TO 60 NM-
646 PM EDT WED SEP 23 2026
...GALE WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY TO 6 AM EDT
FRIDAY...
* WHAT...NORTHEAST WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT AND
SEAS 7 TO 11 FT EXPECTED.
* WHERE...WATERS FROM SOUTH SANTEE RIVER SC TO EDISTO BEACH SC
EXTENDING FROM 20 TO 60 NM.
* WHEN...FROM 6 AM THURSDAY TO 6 AM EDT 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 HAZARDOUS CONDITIONS.
AMZ382-240700-
/O.CON.KCHS.GL.W.0011.260924T1000Z-260925T1000Z/
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING FROM 20 TO
60 NM-
646 PM EDT WED SEP 23 2026
...GALE WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY TO 6 AM EDT
FRIDAY...
* WHAT...NORTH WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT AND SEAS
7 TO 11 FT EXPECTED.
* WHERE...WATERS FROM EDISTO BEACH SC TO SAVANNAH GA EXTENDING
FROM 20 TO 60 NM.
* WHEN...FROM 6 AM THURSDAY TO 6 AM EDT 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 HAZARDOUS CONDITIONS.
AMZ340-240700-
/O.CON.KCHS.SC.Y.0050.260924T1000Z-260925T0300Z/
CHARLESTON HARBOR-
646 PM EDT WED SEP 23 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TO 11 PM EDT
THURSDAY...
* WHAT...NORTH WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT EXPECTED.
* WHERE...CHARLESTON HARBOR.
* WHEN...FROM 6 AM TO 11 PM EDT THURSDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
AMZ360-240700-
/O.CON.KCHS.SC.Y.0050.000000T0000Z-260926T0000Z/
COASTAL WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT
20 NM-
646 PM EDT WED SEP 23 2026
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY
* WHAT...NORTH WINDS 20 TO 30 KT AND SEAS 5 TO 8 FT.
* WHERE...SOUTH SANTEE RIVER TO EDISTO BEACH OUT 20 NM.
* WHEN...UNTIL 8 PM EDT 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.
AMZ362-240700-
/O.CON.KCHS.SC.Y.0050.000000T0000Z-260926T0000Z/
COASTAL WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
646 PM EDT WED SEP 23 2026
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY
* WHAT...NORTH WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND SEAS
4 TO 7 FT.
* WHERE...EDISTO BEACH TO SAVANNAH OUT 20 NM.
* WHEN...UNTIL 8 PM EDT 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.
AMZ364-240700-
/O.CON.KCHS.SC.Y.0050.000000T0000Z-260926T0000Z/
COASTAL WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM,
INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
646 PM EDT WED SEP 23 2026
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY
* WHAT...NORTH WINDS 20 TO 30 KT AND SEAS 4 TO 7 FT.
* WHERE...SAVANNAH TO ALTAMAHA SOUND OUT 20 NM.
* WHEN...UNTIL 8 PM EDT 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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