Alert archive / South Carolina / Small Craft Advisories in 2021

Small Craft Advisory 37, NWS Charleston, SC

May 7, 2021

NWS Charleston, SC issued this small craft advisory at May 7, 2021, 3:18 AM EDT. It took effect at May 7, 2021, 5:00 AM EDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
May 7, 2021, 3:18 AM EDT (07:18 UTC)
In effect from
May 7, 2021, 5:00 AM EDT
Expired
May 7, 2021, 11:00 PM EDT
In force
18 hr
Issued by
NWS Charleston, SC

The text

As transmitted.

988 
WHUS72 KCHS 070718
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
318 AM EDT Fri May 7 2021

AMZ330-071530-
/O.NEW.KCHS.SC.Y.0037.210507T1500Z-210507T2300Z/
Charleston Harbor-
318 AM EDT Fri May 7 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 7 PM
EDT THIS EVENING...

* WHAT...West and northwest winds 15 to 25 kt with gusts up to 30
  kt and waves 2 to 3 feet expected.

* WHERE...Charleston Harbor.

* WHEN...From 11 AM this morning to 7 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ350-352-071530-
/O.NEW.KCHS.SC.Y.0037.210507T1500Z-210508T0300Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
318 AM EDT Fri May 7 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO
11 PM EDT THIS EVENING...

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

* WHERE...South Santee River SC to Savannah GA out 20 NM.

* WHEN...From 11 AM this morning to 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ354-071530-
/O.NEW.KCHS.SC.Y.0037.210507T1200Z-210508T0300Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
318 AM EDT Fri May 7 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 11 PM
EDT THIS EVENING...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt 
  expected.

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

* WHEN...From 8 AM this morning to 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ374-071530-
/O.NEW.KCHS.SC.Y.0037.210507T0900Z-210508T0300Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
318 AM EDT Fri May 7 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

* WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt and 
  seas 3 to 6 ft expected.

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

* WHEN...Until 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
5 follow-up statements
283 
WHUS72 KCHS 071101
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
701 AM EDT Fri May 7 2021

AMZ330-071915-
/O.EXT.KCHS.SC.Y.0037.210507T1200Z-210507T2300Z/
Charleston Harbor-
701 AM EDT Fri May 7 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  waves 2 to 3 feet expected.

* WHERE...Charleston Harbor.

* WHEN...Until 7 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ350-352-071915-
/O.EXT.KCHS.SC.Y.0037.210507T1200Z-210508T0300Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
701 AM EDT Fri May 7 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

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

* WHERE...South Santee River SC to Savannah GA out 20 NM.

* WHEN...Until 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ354-071915-
/O.CON.KCHS.SC.Y.0037.210507T1200Z-210508T0300Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
701 AM EDT Fri May 7 2021

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

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt 
  expected.

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

* WHEN...From 8 AM this morning to 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ374-071915-
/O.CON.KCHS.SC.Y.0037.000000T0000Z-210508T0300Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
701 AM EDT Fri May 7 2021

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

* WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt and 
  seas 3 to 6 ft expected.

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

* WHEN...Until 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
724 
WHUS72 KCHS 071426
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
1026 AM EDT Fri May 7 2021

AMZ330-072230-
/O.CON.KCHS.SC.Y.0037.000000T0000Z-210507T2300Z/
Charleston Harbor-
1026 AM EDT Fri May 7 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  waves 2 to 3 feet.

* WHERE...Charleston Harbor.

* WHEN...Until 7 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ350-352-072230-
/O.CON.KCHS.SC.Y.0037.000000T0000Z-210508T0300Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1026 AM EDT Fri May 7 2021

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

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

* WHERE...South Santee River SC to Savannah GA out 20 NM.

* WHEN...Until 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ354-072230-
/O.CON.KCHS.SC.Y.0037.000000T0000Z-210508T0300Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1026 AM EDT Fri May 7 2021

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

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt.

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

* WHEN...Until 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ374-072230-
/O.CON.KCHS.SC.Y.0037.000000T0000Z-210508T0300Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1026 AM EDT Fri May 7 2021

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

* WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt and 
  seas 3 to 6 ft.

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

* WHEN...Until 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
065 
WHUS72 KCHS 071922
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
322 PM EDT Fri May 7 2021

AMZ330-072300-
/O.CON.KCHS.SC.Y.0037.000000T0000Z-210507T2300Z/
Charleston Harbor-
322 PM EDT Fri May 7 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

* WHAT...West winds 20 to 25 kt with gusts up to 30 kt and waves 
  2 to 3 feet.

* WHERE...Charleston Harbor.

* WHEN...Until 7 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ350-352-080300-
/O.CON.KCHS.SC.Y.0037.000000T0000Z-210508T0300Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
322 PM EDT Fri May 7 2021

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

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

* WHERE...South Santee River SC to Savannah GA out 20 NM.

* WHEN...Until 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ354-080300-
/O.CON.KCHS.SC.Y.0037.000000T0000Z-210508T0300Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
322 PM EDT Fri May 7 2021

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

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt.

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

* WHEN...Until 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ374-080300-
/O.CON.KCHS.SC.Y.0037.000000T0000Z-210508T0300Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
322 PM EDT Fri May 7 2021

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

* WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt and 
  seas 4 to 6 ft.

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

* WHEN...Until 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
956 
WHUS72 KCHS 072252
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
652 PM EDT Fri May 7 2021

AMZ330-080000-
/O.EXP.KCHS.SC.Y.0037.000000T0000Z-210507T2300Z/
Charleston Harbor-
652 PM EDT Fri May 7 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 7 PM EDT THIS EVENING...

$$

AMZ350-352-080300-
/O.CON.KCHS.SC.Y.0037.000000T0000Z-210508T0300Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
652 PM EDT Fri May 7 2021

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

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and 
  seas 3 to 5 ft.

* WHERE...South Santee River SC to Savannah GA out 20 NM.

* WHEN...Until 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ354-080300-
/O.CON.KCHS.SC.Y.0037.000000T0000Z-210508T0300Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
652 PM EDT Fri May 7 2021

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

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

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

* WHEN...Until 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AMZ374-080300-
/O.CON.KCHS.SC.Y.0037.000000T0000Z-210508T0300Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
652 PM EDT Fri May 7 2021

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

* WHAT...Northwest winds 20 to 25 kt and seas 4 to 6 ft.

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

* WHEN...Until 11 PM EDT this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
691 
WHUS72 KCHS 080231
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
1031 PM EDT Fri May 7 2021

AMZ350-352-080345-
/O.EXP.KCHS.SC.Y.0037.000000T0000Z-210508T0300Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1031 PM EDT Fri May 7 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 11 PM EDT THIS EVENING...

$$

AMZ354-080345-
/O.EXP.KCHS.SC.Y.0037.000000T0000Z-210508T0300Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1031 PM EDT Fri May 7 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 11 PM EDT THIS EVENING...

$$

AMZ374-080345-
/O.EXP.KCHS.SC.Y.0037.000000T0000Z-210508T0300Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1031 PM EDT Fri May 7 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 11 PM EDT THIS EVENING...

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 3:05 AM EDTRed Flag WarningCHSAllendale, Berkeley, Colleton, Dorchester, Hampton16 hr
May 7, 3:11 AM EDTLake Wind AdvisoryCHSBerkeley16 hr

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.