Marine Weather Message
Issued by NWS Charleston, SC

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466
WHUS72 KCHS 051111
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
711 AM EDT Sat Jul 5 2025

AMZ350-051915-
/O.CON.KCHS.TR.W.1003.000000T0000Z-000000T0000Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
711 AM EDT Sat Jul 5 2025

...TROPICAL STORM WARNING REMAINS IN EFFECT...

* WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and
  seas 5 to 8 ft.

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

* WHEN...Tropical storm conditions possible from late this
  morning through early Sunday morning.

* IMPACTS...Tropical storm force winds and hazardous seas will
  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.

&&

$$

AMZ330-051915-
/O.CON.KCHS.SC.Y.0048.000000T0000Z-250706T0400Z/
/O.CON.KCHS.TR.A.1003.000000T0000Z-000000T0000Z/
Charleston Harbor-
711 AM EDT Sat Jul 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TONIGHT...
...TROPICAL STORM WATCH REMAINS IN EFFECT...

* WHAT...For the Small Craft Advisory, northeast winds 15 to 20
  kt with gusts up to 30 kt and waves 1 to 2 feet. For the
  Tropical Storm Watch, southwest winds 15 to 20 kt with gusts
  up to 30 kt and waves 1 to 2 feet.

* WHERE...Charleston Harbor.

* WHEN...For the Small Craft Advisory, until midnight EDT
  tonight. For the Tropical Storm Watch, Tropical storm
  conditions possible tonight.

* IMPACTS...Tropical storm force winds and hazardous seas could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions. Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

AMZ352-051915-
/O.CON.KCHS.SC.Y.0048.000000T0000Z-250706T1600Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
711 AM EDT Sat Jul 5 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON EDT SUNDAY...

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

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

* WHEN...Until noon EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

AMZ354-051915-
/O.CON.KCHS.SC.Y.0048.000000T0000Z-250706T1000Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
711 AM EDT Sat Jul 5 2025

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

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
  3 to 6 ft.

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

* WHEN...Until 6 AM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

AMZ374-051915-
/O.CON.KCHS.SC.Y.0048.000000T0000Z-250706T1000Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
711 AM EDT Sat Jul 5 2025

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

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
  5 to 7 ft.

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

* WHEN...Until 6 AM EDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$