WHUS72 KCHS 110523

MWWCHS



URGENT - MARINE WEATHER MESSAGE

National Weather Service Charleston SC

1223 AM EST Thu Dec 11 2025



AMZ330-111000-

/O.CON.KCHS.SC.Y.0068.000000T0000Z-251211T1000Z/

Charleston Harbor-

1223 AM EST Thu Dec 11 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST EARLY

THIS MORNING...



* WHAT...West winds 15 to 20 kt with gusts up to 25 kt and waves 

  1 to 2 feet.



* WHERE...Charleston Harbor.



* WHEN...Until 5 AM EST early this morning.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



AMZ350-111200-

/O.CON.KCHS.SC.Y.0068.000000T0000Z-251211T1200Z/

Waters from South Santee River to Edisto Beach SC out 20 NM-

1223 AM EST Thu Dec 11 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS

MORNING...



* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and seas 

  3 to 6 ft.



* WHERE...South Santee River to Edisto Beach out 20 NM.



* WHEN...Until 7 AM EST this morning.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



AMZ352-111200-

/O.CON.KCHS.SC.Y.0068.000000T0000Z-251211T1200Z/

Waters from Edisto Beach SC to Savannah GA out 20 NM-

1223 AM EST Thu Dec 11 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS

MORNING...



* WHAT...West winds 15 to 20 kt with gusts up to 30 kt and seas 

  3 to 5 ft.



* WHERE...Edisto Beach to Savannah out 20 NM.



* WHEN...Until 7 AM EST this morning.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



AMZ354-111000-

/O.CON.KCHS.SC.Y.0068.000000T0000Z-251211T1000Z/

Waters from Savannah GA to Altamaha Sound GA out 20 NM, including

Grays Reef National Marine Sanctuary-

1223 AM EST Thu Dec 11 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST EARLY

THIS MORNING...



* WHAT...West winds 15 to 20 kt with gusts up to 25 kt and seas 

  3 to 5 ft.



* WHERE...Savannah to Altamaha Sound out 20 NM.



* WHEN...Until 5 AM EST early this morning.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



AMZ374-111330-

/O.CON.KCHS.SC.Y.0068.000000T0000Z-251211T1700Z/

Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-

1223 AM EST Thu Dec 11 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY...



* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 

  seas 4 to 7 ft.



* WHERE...Savannah to Altamaha Sound from 20 to 60 NM.



* WHEN...Until noon EST today.



* IMPACTS...Conditions will be hazardous to small craft.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$