744
WHUS72 KCHS 071739
MWWCHS
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHARLESTON SC
139 PM EDT TUE APR 7 2026
AMZ374-080145-
/O.EXP.KCHS.SC.Y.0025.000000T0000Z-260407T1800Z/
/O.CON.KCHS.GL.W.0009.260407T1800Z-260409T0600Z/
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
139 PM EDT TUE APR 7 2026
..GALE WARNING REMAINS IN EFFECT UNTIL 2 AM EDT THURSDAY
..SMALL CRAFT ADVISORY WILL EXPIRE AT 2 PM EDT THIS AFTERNOON
* WHAT...NORTHEAST WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT AND
SEAS 11 TO 16 FT EXPECTED.
* WHERE...SAVANNAH TO ALTAMAHA SOUND FROM 20 TO 60 NM.
* WHEN...UNTIL 2 AM EDT THURSDAY.
* 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.
AMZ350-080145-
/O.CON.KCHS.SC.Y.0025.000000T0000Z-260408T0400Z/
/O.CON.KCHS.GL.W.0009.260408T0400Z-260409T0600Z/
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
139 PM EDT TUE APR 7 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...
...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 2 AM
EDT THURSDAY...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHEAST WINDS 20 TO 25 KT
WITH GUSTS UP TO 30 KT AND SEAS 4 TO 7 FT. FOR THE GALE WARNING,
NORTHEAST WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT AND SEAS 7
TO 12 FT EXPECTED.
* WHERE...SOUTH SANTEE RIVER TO EDISTO BEACH OUT 20 NM.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL MIDNIGHT EDT
TONIGHT. FOR THE GALE WARNING, FROM MIDNIGHT TONIGHT TO 2 AM
EDT THURSDAY.
* 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.
AMZ352-080145-
/O.CON.KCHS.SC.Y.0025.000000T0000Z-260408T0400Z/
/O.CON.KCHS.GL.W.0009.260408T0400Z-260409T0600Z/
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
139 PM EDT TUE APR 7 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...
...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 2 AM
EDT THURSDAY...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHEAST WINDS 20 TO 25 KT
WITH GUSTS UP TO 30 KT AND SEAS 5 TO 8 FT. FOR THE GALE WARNING,
NORTHEAST WINDS 25 TO 35 KT WITH GUSTS UP TO 40 KT AND SEAS 8
TO 13 FT EXPECTED.
* WHERE...EDISTO BEACH TO SAVANNAH OUT 20 NM.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL MIDNIGHT EDT
TONIGHT. FOR THE GALE WARNING, FROM MIDNIGHT TONIGHT TO 2 AM
EDT THURSDAY.
* 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.
AMZ354-080145-
/O.CON.KCHS.SC.Y.0025.000000T0000Z-260408T0400Z/
/O.CON.KCHS.GL.W.0009.260408T0400Z-260409T0600Z/
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING
GRAYS REEF NATIONAL MARINE SANCTUARY-
139 PM EDT TUE APR 7 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...
...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 2 AM
EDT THURSDAY...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHEAST WINDS 25 TO 30
KT AND SEAS 6 TO 9 FT. FOR THE GALE WARNING, NORTHEAST WINDS
25 TO 35 KT WITH GUSTS UP TO 40 KT AND SEAS 8 TO 13 FT
EXPECTED.
* WHERE...SAVANNAH TO ALTAMAHA SOUND OUT 20 NM.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL MIDNIGHT EDT
TONIGHT. FOR THE GALE WARNING, FROM MIDNIGHT TONIGHT TO 2 AM
EDT THURSDAY.
* 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.
AMZ330-080145-
/O.CON.KCHS.SC.Y.0027.260408T0400Z-260410T0000Z/
CHARLESTON HARBOR-
139 PM EDT TUE APR 7 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 8 PM EDT THURSDAY...
* WHAT...NORTHEAST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
WAVES 2 TO 3 FEET EXPECTED.
* WHERE...CHARLESTON HARBOR.
* WHEN...FROM MIDNIGHT TONIGHT TO 8 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page