Alert archive / South Carolina / Small Craft Advisories in 2021

Small Craft Advisory 33, NWS Charleston, SC

April 21, 2021

NWS Charleston, SC issued this small craft advisory at Apr 21, 2021, 2:38 AM EDT. It took effect at Apr 21, 2021, 12:00 PM EDT. It was in force for 22 hr.

The area

The counties it named.

The facts

Issued
Apr 21, 2021, 2:38 AM EDT (06:38 UTC)
In effect from
Apr 21, 2021, 12:00 PM EDT
Expired
Apr 22, 2021, 10:00 AM EDT
In force
22 hr
Issued by
NWS Charleston, SC

The text

As transmitted.

915 
WHUS72 KCHS 210638
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
238 AM EDT Wed Apr 21 2021

AMZ330-211445-
/O.NEW.KCHS.SC.Y.0033.210421T1600Z-210422T1200Z/
Charleston Harbor-
238 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TODAY TO 8 AM EDT
THURSDAY...

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

* WHERE...Charleston Harbor.

* WHEN...From noon today to 8 AM 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.

&&

$$

AMZ350-211445-
/O.NEW.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
238 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 8 AM
EDT THURSDAY...

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

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

* WHEN...From 6 PM this evening to 8 AM 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.

&&

$$

AMZ352-211445-
/O.NEW.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
238 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 8 AM
EDT THURSDAY...

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

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

* WHEN...From 6 PM this evening to 8 AM 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.

&&

$$

AMZ354-211445-
/O.NEW.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
238 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 8 AM
EDT THURSDAY...

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

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

* WHEN...From 6 PM this evening to 8 AM 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.

&&

$$

AMZ374-211445-
/O.NEW.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
238 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 8 AM
EDT THURSDAY...

* WHAT...Northwest winds 15 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...From 6 PM this evening to 8 AM 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.

&&

$$
9 follow-up statements
184 
WHUS72 KCHS 211002
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
602 AM EDT Wed Apr 21 2021

AMZ330-211815-
/O.CON.KCHS.SC.Y.0033.210421T1600Z-210422T1200Z/
Charleston Harbor-
602 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 AM
EDT THURSDAY...

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

* WHERE...Charleston Harbor.

* WHEN...From noon today to 8 AM 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.

&&

$$

AMZ350-211815-
/O.CON.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
602 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 8 AM EDT THURSDAY...

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

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

* WHEN...From 6 PM this evening to 8 AM 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.

&&

$$

AMZ352-211815-
/O.CON.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
602 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 8 AM EDT THURSDAY...

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

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

* WHEN...From 6 PM this evening to 8 AM 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.

&&

$$

AMZ354-211815-
/O.CON.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
602 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 8 AM EDT THURSDAY...

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

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

* WHEN...From 6 PM this evening to 8 AM 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.

&&

$$

AMZ374-211815-
/O.CON.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
602 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 8 AM EDT THURSDAY...

* WHAT...Northwest winds 15 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...From 6 PM this evening to 8 AM 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.

&&

$$
845 
WHUS72 KCHS 211445
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
1045 AM EDT Wed Apr 21 2021

AMZ330-212245-
/O.CON.KCHS.SC.Y.0033.210421T1600Z-210422T1200Z/
Charleston Harbor-
1045 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

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

* WHERE...Charleston Harbor.

* WHEN...From noon today to 8 AM 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.

&&

$$

AMZ350-212245-
/O.CON.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
1045 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 8 AM EDT THURSDAY...

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

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

* WHEN...From 6 PM this evening to 8 AM 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.

&&

$$

AMZ352-212245-
/O.CON.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1045 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 8 AM EDT THURSDAY...

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

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

* WHEN...From 6 PM this evening to 8 AM 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.

&&

$$

AMZ354-212245-
/O.CON.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1045 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 8 AM EDT THURSDAY...

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

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

* WHEN...From 6 PM this evening to 8 AM 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.

&&

$$

AMZ374-212245-
/O.CON.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1045 AM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 8 AM EDT THURSDAY...

* WHAT...Northwest winds 15 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...From 6 PM this evening to 8 AM 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.

&&

$$
678 
WHUS72 KCHS 211922
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
322 PM EDT Wed Apr 21 2021

AMZ330-220330-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1200Z/
Charleston Harbor-
322 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

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

* WHERE...Charleston Harbor.

* WHEN...From noon today to 8 AM 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.

&&

$$

AMZ350-220330-
/O.CON.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
322 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

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

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

* WHEN...From 6 PM this evening to 8 AM 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.

&&

$$

AMZ352-220330-
/O.CON.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
322 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

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

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

* WHEN...From 6 PM this evening to 8 AM 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.

&&

$$

AMZ354-220330-
/O.CON.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
322 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

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

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

* WHEN...From 6 PM this evening to 8 AM 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.

&&

$$

AMZ374-220330-
/O.CON.KCHS.SC.Y.0033.210421T2200Z-210422T1200Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
322 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

* WHAT...Northwest winds 15 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...From 6 PM this evening to 8 AM 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.

&&

$$
919 
WHUS72 KCHS 220009
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
809 PM EDT Wed Apr 21 2021

AMZ330-220815-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1200Z/
Charleston Harbor-
809 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

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

* WHERE...Charleston Harbor.

* WHEN...Until 8 AM 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.

&&

$$

AMZ350-220815-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1200Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
809 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

* WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt and 
  seas 3 to 5 ft.

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

* WHEN...Until 8 AM 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.

&&

$$

AMZ352-220815-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1200Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
809 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

* WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt.

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

* WHEN...Until 8 AM 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.

&&

$$

AMZ354-220815-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1200Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
809 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

* WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt.

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

* WHEN...Until 8 AM 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.

&&

$$

AMZ374-220815-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1200Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
809 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

* 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 8 AM 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.

&&

$$
728 
WHUS72 KCHS 220220
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
1020 PM EDT Wed Apr 21 2021

AMZ350-221030-
/O.EXT.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
1020 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THURSDAY...

* WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt and 
  seas 3 to 5 ft.

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

* WHEN...Until 10 AM 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.

&&

$$

AMZ352-221030-
/O.EXT.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1020 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THURSDAY...

* WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt.

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

* WHEN...Until 10 AM 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.

&&

$$

AMZ354-221030-
/O.EXT.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1020 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THURSDAY...

* WHAT...Northwest winds 20 to 25 kt with gusts up to 30 kt.

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

* WHEN...Until 10 AM 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.

&&

$$

AMZ374-221030-
/O.EXT.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1020 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EDT THURSDAY...

* 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 10 AM 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.

&&

$$

AMZ330-221030-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1200Z/
Charleston Harbor-
1020 PM EDT Wed Apr 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
THURSDAY...

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

* WHERE...Charleston Harbor.

* WHEN...Until 8 AM 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.

&&

$$
043 
WHUS72 KCHS 220408
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
1208 AM EDT Thu Apr 22 2021

AMZ330-221200-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1200Z/
Charleston Harbor-
1208 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...

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

* WHERE...Charleston Harbor.

* WHEN...Until 8 AM EDT 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.

&&

$$

AMZ350-221215-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
1208 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...North winds 25 to 30 kt.

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

* WHEN...Until 10 AM EDT 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.

&&

$$

AMZ352-221215-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1208 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...North winds 25 to 30 kt.

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

* WHEN...Until 10 AM EDT 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.

&&

$$

AMZ354-221215-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1208 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...North winds 20 to 25 kt with gusts up to 30 kt.

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

* WHEN...Until 10 AM EDT 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.

&&

$$

AMZ374-221215-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1208 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...North winds 25 to 30 kt and seas 4 to 6 ft.

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

* WHEN...Until 10 AM EDT 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.

&&

$$
161 
WHUS72 KCHS 220712
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
312 AM EDT Thu Apr 22 2021

AMZ330-221200-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1200Z/
Charleston Harbor-
312 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS
MORNING...

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

* WHERE...Charleston Harbor.

* WHEN...Until 8 AM EDT 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.

&&

$$

AMZ350-221400-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
312 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...North winds 25 to 30 kt.

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

* WHEN...Until 10 AM EDT 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.

&&

$$

AMZ352-221400-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
312 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...North winds 25 to 30 kt.

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

* WHEN...Until 10 AM EDT 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.

&&

$$

AMZ354-221400-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
312 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...North winds 20 to 25 kt with gusts up to 30 kt.

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

* WHEN...Until 10 AM EDT 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.

&&

$$

AMZ374-221400-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
312 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

* WHAT...North winds 25 to 30 kt and seas 4 to 6 ft.

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

* WHEN...Until 10 AM EDT 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.

&&

$$
440 
WHUS72 KCHS 221114
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
714 AM EDT Thu Apr 22 2021

AMZ330-221215-
/O.CAN.KCHS.SC.Y.0033.000000T0000Z-210422T1200Z/
Charleston Harbor-
714 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

AMZ350-221400-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
714 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

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

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

* WHEN...Until 10 AM EDT 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.

&&

$$

AMZ352-221400-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
714 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

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

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

* WHEN...Until 10 AM EDT 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.

&&

$$

AMZ354-221400-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
714 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

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

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

* WHEN...Until 10 AM EDT 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.

&&

$$

AMZ374-221400-
/O.CON.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
714 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS
MORNING...

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

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

* WHEN...Until 10 AM EDT 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.

&&

$$
367 
WHUS72 KCHS 221332
MWWCHS

URGENT - MARINE WEATHER MESSAGE
National Weather Service Charleston SC
932 AM EDT Thu Apr 22 2021

AMZ350-221445-
/O.EXP.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from South Santee River to Edisto Beach SC out 20 NM-
932 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 10 AM EDT THIS MORNING...

$$

AMZ352-221445-
/O.EXP.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Edisto Beach SC to Savannah GA out 20 NM-
932 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 10 AM EDT THIS MORNING...

$$

AMZ354-221445-
/O.EXP.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
932 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 10 AM EDT THIS MORNING...

$$

AMZ374-221445-
/O.EXP.KCHS.SC.Y.0033.000000T0000Z-210422T1400Z/
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
932 AM EDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 10 AM EDT THIS MORNING...

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 1:44 AM EDTRed Flag WarningCHSAllendale, Berkeley, Colleton, Dorchester, Hampton18 hr
Apr 21, 2:23 AM EDTLake Wind AdvisoryCHSBerkeley29 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.