Alert archive / South Carolina / Small Craft Advisories in 2021

Small Craft Advisory 7, NWS Charleston, SC

January 27, 2021

NWS Charleston, SC issued this small craft advisory at Jan 27, 2021, 3:12 AM EST. It took effect at Jan 28, 2021, 12:00 AM EST. It was in force for .

The area

The counties it named.

The facts

Issued
Jan 27, 2021, 3:12 AM EST (08:12 UTC)
In effect from
Jan 28, 2021, 12:00 AM EST
Expired
Jan 27, 2021, 3:07 PM EST
In force
Issued by
NWS Charleston, SC

The text

As transmitted.

777 
WHUS72 KCHS 270812
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
312 AM EST Wed Jan 27 2021

AMZ350-271615-
/O.NEW.KCHS.GL.W.0002.210128T0500Z-210128T1700Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
312 AM EST Wed Jan 27 2021

...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON EST
THURSDAY...

* WHAT...Northwest and north winds 20 to 30 kt with gusts up to 35
  kt and seas 4 to 6 ft expected.

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

* WHEN...From midnight tonight to noon EST 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 severe conditions.

&&

$$

AMZ374-271615-
/O.NEW.KCHS.GL.W.0002.210128T0500Z-210128T1700Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
312 AM EST Wed Jan 27 2021

...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON EST
THURSDAY...

* WHAT...Northwest winds 25 to 30 kt with gusts up to 40 kt and 
  seas 5 to 8 ft expected.

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

* WHEN...From midnight tonight to noon EST 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 severe conditions.

&&

$$

AMZ330-271615-
/O.NEW.KCHS.SC.Y.0007.210128T0500Z-210128T1700Z/
Charleston Harbor-
312 AM EST Wed Jan 27 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
EST THURSDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  waves 1 to 2 feet expected.

* WHERE...Charleston Harbor.

* WHEN...From midnight tonight to noon EST 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.

&&

$$

AMZ352-354-271615-
/O.NEW.KCHS.SC.Y.0007.210128T0500Z-210128T1900Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
312 AM EST Wed Jan 27 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM
EST THURSDAY...

* WHAT...Northwest and north winds 15 to 25 kt with gusts up to 
  30 kt and seas 3 to 5 ft expected.

* WHERE...Edisto Beach to Savannah out 20 NM and Savannah to 
  Altamaha Sound out 20 NM.

* WHEN...From midnight tonight to 2 PM EST 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.

&&

$$
2 follow-up statements
321 
WHUS72 KCHS 271547
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
1047 AM EST Wed Jan 27 2021

AMZ350-280000-
/O.CON.KCHS.GL.W.0002.210128T0500Z-210128T1700Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
1047 AM EST Wed Jan 27 2021

...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
EST THURSDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt and 
  seas 3 to 5 ft expected.

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

* WHEN...From midnight tonight to noon EST 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 severe conditions.

&&

$$

AMZ374-280000-
/O.CON.KCHS.GL.W.0002.210128T0500Z-210128T1700Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1047 AM EST Wed Jan 27 2021

...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
EST THURSDAY...

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

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

* WHEN...From midnight tonight to noon EST 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 severe conditions.

&&

$$

AMZ330-280000-
/O.CON.KCHS.SC.Y.0007.210128T0500Z-210128T1700Z/
Charleston Harbor-
1047 AM EST Wed Jan 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO NOON EST THURSDAY...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and 
  waves 1 to 2 feet expected.

* WHERE...Charleston Harbor.

* WHEN...From midnight tonight to noon EST 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.

&&

$$

AMZ352-354-280000-
/O.CON.KCHS.SC.Y.0007.210128T0500Z-210128T1900Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1047 AM EST Wed Jan 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 2 PM EST THURSDAY...

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

* WHERE...Edisto Beach to Savannah out 20 NM and Savannah to 
  Altamaha Sound out 20 NM.

* WHEN...From midnight tonight to 2 PM EST 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.

&&

$$
248 
WHUS72 KCHS 272007
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
307 PM EST Wed Jan 27 2021

AMZ330-280415-
/O.UPG.KCHS.SC.Y.0007.210128T0500Z-210128T1700Z/
/O.EXA.KCHS.GL.W.0002.210128T0500Z-210128T1700Z/
Charleston Harbor-
307 PM EST Wed Jan 27 2021

...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON EST
THURSDAY...

* WHAT...Northwest winds 20 to 25 kt with gusts up to 35 kt and
  waves 2 feet expected.

* WHERE...Charleston Harbor.

* WHEN...From midnight tonight to noon EST 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 severe conditions.

&&

$$

AMZ352-354-280415-
/O.UPG.KCHS.SC.Y.0007.210128T0500Z-210128T1900Z/
/O.EXA.KCHS.GL.W.0002.210128T0500Z-210128T1700Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
307 PM EST Wed Jan 27 2021

...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON EST
THURSDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 35 kt 
  expected.

* WHERE...Edisto Beach to Savannah out 20 NM and Savannah to 
  Altamaha Sound out 20 NM.

* WHEN...From midnight tonight to noon EST 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 severe conditions.

&&

$$

AMZ350-280415-
/O.EXT.KCHS.GL.W.0002.210128T0500Z-210128T1900Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
307 PM EST Wed Jan 27 2021

...GALE WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM EST
THURSDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 40 kt 
  expected.

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

* WHEN...From midnight tonight to 2 PM EST 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 severe conditions.

&&

$$

AMZ374-280415-
/O.EXT.KCHS.GL.W.0002.210128T0500Z-210128T1900Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
307 PM EST Wed Jan 27 2021

...GALE WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 2 PM EST
THURSDAY...

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

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

* WHEN...From midnight tonight to 2 PM EST 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 severe conditions.

&&

$$

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 27, 3:08 AM ESTLake Wind AdvisoryCHSBerkeley33 hr
Jan 27, 3:12 AM ESTGale WarningCHS33 hr
Jan 27, 9:24 AM ESTSevere Thunderstorm WarningCHSBeaufort, Hampton, Jasper51 min
Jan 27, 9:46 AM ESTSevere Thunderstorm WarningCHSBeaufort, Jasper43 min
Jan 27, 10:02 AM ESTSpecial Marine WarningCHS50 min
Jan 27, 11:39 AM ESTSpecial Weather StatementCHSAllendale21 min
Jan 27, 9:12 AM ESTSpecial Weather StatementCHSEffingham33 min
Jan 27, 11:11 AM ESTSpecial Weather StatementCHSJenkins19 min
Jan 27, 12:33 PM ESTSpecial Weather StatementCHSEvans, Tattnall27 min
Jan 27, 12:49 PM ESTSevere Thunderstorm WarningCHSBryan, Bulloch, Evans, Liberty26 min

Nearby

Small Craft Advisories in South Carolina, 2021Every small craft advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.