WHUS72 KCHS 270427

MWWCHS



URGENT - MARINE WEATHER MESSAGE

National Weather Service Charleston SC

1227 AM EDT Mon Oct 27 2025



AMZ330-271230-

/O.CON.KCHS.SC.Y.0060.000000T0000Z-251029T0400Z/

Charleston Harbor-

1227 AM EDT Mon Oct 27 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT

TUESDAY NIGHT...



* WHAT...Northeast winds 10 to 20 kt with gusts up to 30 kt and 

  waves 1 to 2 feet.



* WHERE...Charleston Harbor.



* WHEN...Until midnight EDT Tuesday night.



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



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Inexperienced mariners, especially those operating smaller

vessels, should avoid navigating in hazardous conditions.



&&



$$



AMZ350-271230-

/O.CON.KCHS.SC.Y.0060.000000T0000Z-251031T1000Z/

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

1227 AM EDT Mon Oct 27 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT FRIDAY...



* WHAT...Northeast winds 20 to 30 kt and seas 4 to 7 ft.



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



* WHEN...Until 6 AM 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.



&&



$$



AMZ352-271230-

/O.CON.KCHS.SC.Y.0060.000000T0000Z-251031T0300Z/

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

1227 AM EDT Mon Oct 27 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT

THURSDAY...



* WHAT...Northeast 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 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.



&&



$$



AMZ354-271230-

/O.CON.KCHS.SC.Y.0060.000000T0000Z-251030T1800Z/

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

Grays Reef National Marine Sanctuary-

1227 AM EDT Mon Oct 27 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT

THURSDAY...



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

  seas 4 to 7 ft.



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



* WHEN...Until 2 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.



&&



$$



AMZ374-271230-

/O.CON.KCHS.SC.Y.0060.000000T0000Z-251031T1000Z/

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

1227 AM EDT Mon Oct 27 2025



...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EDT FRIDAY...



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

  5 to 8 ft.



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



* WHEN...Until 6 AM 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.



&&



$$