Alert archive / Louisiana / Small Craft Advisories in 2021

Small Craft Advisory 21, NWS Lake Charles, LA

March 28, 2021

NWS Lake Charles, LA issued this small craft advisory at Mar 28, 2021, 3:00 AM CDT. It took effect at Mar 28, 2021, 10:00 AM CDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Mar 28, 2021, 3:00 AM CDT (08:00 UTC)
In effect from
Mar 28, 2021, 10:00 AM CDT
Expired
Mar 29, 2021, 10:00 AM CDT
In force
24 hr
Issued by
NWS Lake Charles, LA

The text

As transmitted.

276 
WHUS74 KLCH 280800
MWWLCH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Lake Charles LA
300 AM CDT Sun Mar 28 2021

GMZ450-282100-
/O.CON.KLCH.MF.Y.0023.000000T0000Z-210328T1200Z/
/O.NEW.KLCH.SC.Y.0021.210328T1500Z-210329T1500Z/
Coastal waters from Cameron LA to High Island TX out 20 NM-
300 AM CDT Sun Mar 28 2021

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO
10 AM CDT MONDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
  visibility below one nautical mile. For the Small Craft
  Advisory, northeast winds 20 kt with gusts up to 25 kt expected
  and seas 3 to 5 feet.

* WHERE...Coastal waters from Cameron LA to High Island TX out 
  20 NM.

* WHEN...For the Dense Fog Advisory, until 7 AM CDT this 
  morning. For the Small Craft Advisory, from 10 AM this morning 
  to 10 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft. Low 
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

GMZ452-282100-
/O.EXT.KLCH.MF.Y.0023.000000T0000Z-210328T1500Z/
/O.NEW.KLCH.SC.Y.0021.210328T1800Z-210329T1500Z/
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
300 AM CDT Sun Mar 28 2021

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 AM CDT THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 AM CDT MONDAY...

* WHAT...For the Dense Fog Advisory, Dense fog will reduce
  visibility below one nautical mile. For the Small Craft
  Advisory, northeast winds 20 kt with gusts up to 25 kt expected
  and seas 3 to 5 feet.

* WHERE...Coastal waters from Intracoastal City to Cameron LA 
  out 20 NM.

* WHEN...For the Dense Fog Advisory, until 10 AM CDT this 
  morning. For the Small Craft Advisory, from 1 PM this 
  afternoon to 10 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft. Low 
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

GMZ455-282100-
/O.EXT.KLCH.MF.Y.0023.000000T0000Z-210328T1800Z/
/O.NEW.KLCH.SC.Y.0021.210328T2100Z-210329T1500Z/
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
300 AM CDT Sun Mar 28 2021

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 AM CDT MONDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
  visibility below one nautical mile.  For the Small Craft
  Advisory, northeast winds 20 kt with gusts up to 25 kt expected
  and seas 3 to 5 feet.

* WHERE...Coastal waters from Lower Atchafalaya River to 
  Intracoastal City LA out 20 NM.

* WHEN...For the Dense Fog Advisory, until 1 PM CDT this 
  afternoon. For the Small Craft Advisory, from 4 PM this 
  afternoon to 10 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft. Low 
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

GMZ470-282100-
/O.NEW.KLCH.SC.Y.0021.210328T1500Z-210329T1500Z/
Waters from Cameron LA to High Island TX from 20 to 60 NM-
300 AM CDT Sun Mar 28 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO
10 AM CDT MONDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt and 
  seas 5 to 7 feet expected.

* WHERE...Waters from Cameron LA to High Island TX from 20 to 60 
  NM.

* WHEN...From 10 AM this morning to 10 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ472-282100-
/O.NEW.KLCH.SC.Y.0021.210328T1800Z-210329T1500Z/
Waters from Intracoastal City to Cameron LA from 20 to 60 NM-
300 AM CDT Sun Mar 28 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 AM CDT MONDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt and 
  seas 5 to 7 feet expected.

* WHERE...Waters from Intracoastal City to Cameron LA from 20 to 
  60 NM.

* WHEN...From 1 PM this afternoon to 10 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ475-282100-
/O.NEW.KLCH.SC.Y.0021.210328T2100Z-210329T1500Z/
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
300 AM CDT Sun Mar 28 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 AM CDT MONDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt and 
  seas 5 to 7 feet expected.

* WHERE...Waters from Lower Atchafalaya River to Intracoastal 
  City LA from 20 to 60 NM.

* WHEN...From 4 PM this afternoon to 10 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ435-281800-
/O.EXT.KLCH.MF.Y.0023.000000T0000Z-210328T1800Z/
Vermilion Bay-
300 AM CDT Sun Mar 28 2021

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

* WHAT...Dense fog will reduce visibility below one nautical 
  mile. 

* WHERE...Vermilion Bay.

* WHEN...Until 1 PM CDT this afternoon.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

GMZ430-432-281200-
/O.CON.KLCH.MF.Y.0023.000000T0000Z-210328T1200Z/
Sabine Lake-Calcasieu Lake-
300 AM CDT Sun Mar 28 2021

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

* WHAT...Dense fog will reduce visibility below one nautical 
  mile. 

* WHERE...Sabine Lake and Calcasieu Lake.

* WHEN...Until 7 AM CDT this morning.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$
4 follow-up statements
779 
WHUS74 KLCH 281156
MWWLCH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Lake Charles LA
656 AM CDT Sun Mar 28 2021

GMZ450-282100-
/O.CAN.KLCH.MF.Y.0023.000000T0000Z-210328T1200Z/
/O.CON.KLCH.SC.Y.0021.210328T1500Z-210329T1500Z/
Coastal waters from Cameron LA to High Island TX out 20 NM-
656 AM CDT Sun Mar 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 10 AM CDT MONDAY...
...DENSE FOG ADVISORY IS CANCELLED...

* WHAT...Northeast winds 20 kt with gusts up to 25 kt expected
  and seas 3 to 5 feet.

* WHERE...Coastal waters from Cameron LA to High Island TX out 
  20 NM.

* WHEN...From 10 AM this morning to 10 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ430-432-281300-
/O.CAN.KLCH.MF.Y.0023.000000T0000Z-210328T1200Z/
Sabine Lake-Calcasieu Lake-
656 AM CDT Sun Mar 28 2021

...DENSE FOG ADVISORY IS CANCELLED...

$$

GMZ452-282100-
/O.CON.KLCH.MF.Y.0023.000000T0000Z-210328T1500Z/
/O.CON.KLCH.SC.Y.0021.210328T1800Z-210329T1500Z/
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
656 AM CDT Sun Mar 28 2021

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 10 AM CDT MONDAY...

* WHAT...For the Dense Fog Advisory, Dense fog will reduce
  visibility below one nautical mile. For the Small Craft
  Advisory, northeast winds 20 kt with gusts up to 25 kt expected
  and seas 3 to 5 feet.

* WHERE...Coastal waters from Intracoastal City to Cameron LA 
  out 20 NM.

* WHEN...For the Dense Fog Advisory, until 10 AM CDT this 
  morning. For the Small Craft Advisory, from 1 PM this 
  afternoon to 10 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft. Low 
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

GMZ455-282100-
/O.CON.KLCH.MF.Y.0023.000000T0000Z-210328T1800Z/
/O.CON.KLCH.SC.Y.0021.210328T2100Z-210329T1500Z/
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
656 AM CDT Sun Mar 28 2021

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM CDT MONDAY...

* WHAT...For the Dense Fog Advisory, dense fog will reduce
  visibility below one nautical mile.  For the Small Craft
  Advisory, northeast winds 20 kt with gusts up to 25 kt expected
  and seas 3 to 5 feet.

* WHERE...Coastal waters from Lower Atchafalaya River to 
  Intracoastal City LA out 20 NM.

* WHEN...For the Dense Fog Advisory, until 1 PM CDT this 
  afternoon. For the Small Craft Advisory, from 4 PM this 
  afternoon to 10 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft. Low 
  visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

GMZ435-281800-
/O.CON.KLCH.MF.Y.0023.000000T0000Z-210328T1800Z/
Vermilion Bay-
656 AM CDT Sun Mar 28 2021

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

* WHAT...Dense fog will reduce visibility to one nautical mile.

* WHERE...Vermilion Bay.

* WHEN...Until 1 PM CDT this afternoon.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$

GMZ470-282100-
/O.CON.KLCH.SC.Y.0021.210328T1500Z-210329T1500Z/
Waters from Cameron LA to High Island TX from 20 to 60 NM-
656 AM CDT Sun Mar 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 10 AM CDT MONDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt and 
  seas 5 to 7 feet expected.

* WHERE...Waters from Cameron LA to High Island TX from 20 to 60 
  NM.

* WHEN...From 10 AM this morning to 10 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ472-282100-
/O.CON.KLCH.SC.Y.0021.210328T1800Z-210329T1500Z/
Waters from Intracoastal City to Cameron LA from 20 to 60 NM-
656 AM CDT Sun Mar 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 10 AM CDT MONDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt and 
  seas 5 to 7 feet expected.

* WHERE...Waters from Intracoastal City to Cameron LA from 20 to 
  60 NM.

* WHEN...From 1 PM this afternoon to 10 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ475-282100-
/O.CON.KLCH.SC.Y.0021.210328T2100Z-210329T1500Z/
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
656 AM CDT Sun Mar 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM CDT MONDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt and 
  seas 5 to 7 feet expected.

* WHERE...Waters from Lower Atchafalaya River to Intracoastal 
  City LA from 20 to 60 NM.

* WHEN...From 4 PM this afternoon to 10 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
607 
WHUS74 KLCH 281842
MWWLCH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Lake Charles LA
142 PM CDT Sun Mar 28 2021

GMZ450-452-470-472-291200-
/O.CON.KLCH.SC.Y.0021.000000T0000Z-210329T1500Z/
Coastal waters from Cameron LA to High Island TX out 20 NM-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
Waters from Intracoastal City to Cameron LA from 20 to 60 NM-
142 PM CDT Sun Mar 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
MONDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt and 
  seas 5 to 7 feet expected.

* WHERE...Waters from Cameron LA to High Island TX from 20 to 60 
  NM.

* WHEN...From 10 AM this morning to 10 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ455-475-291200-
/O.CON.KLCH.SC.Y.0021.210328T2100Z-210329T1500Z/
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
142 PM CDT Sun Mar 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
MONDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt and 
  seas 5 to 7 feet expected.

* WHERE...Waters from Lower Atchafalaya River to Intracoastal 
  City LA from 20 to 60 NM.

* WHEN...From 4 PM this afternoon to 10 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
723 
WHUS74 KLCH 281857
MWWLCH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Lake Charles LA
157 PM CDT Sun Mar 28 2021

GMZ450-452-470-472-291200-
/O.CON.KLCH.SC.Y.0021.000000T0000Z-210329T1500Z/
Coastal waters from Cameron LA to High Island TX out 20 NM-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
Waters from Intracoastal City to Cameron LA from 20 to 60 NM-
157 PM CDT Sun Mar 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
MONDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt and 
  seas 5 to 7 feet expected.

* WHERE...Waters from Cameron LA to High Island TX from 20 to 60 
  NM.

* WHEN...From 10 AM this morning to 10 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ455-475-291200-
/O.CON.KLCH.SC.Y.0021.210328T2100Z-210329T1500Z/
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
157 PM CDT Sun Mar 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
MONDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt and 
  seas 5 to 7 feet expected.

* WHERE...Waters from Lower Atchafalaya River to Intracoastal 
  City LA from 20 to 60 NM.

* WHEN...From 4 PM this afternoon to 10 AM CDT Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
405 
WHUS74 KLCH 290905
MWWLCH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Lake Charles LA
405 AM CDT Mon Mar 29 2021

GMZ450-452-455-470-472-475-291500-
/O.CON.KLCH.SC.Y.0021.000000T0000Z-210329T1500Z/
Coastal waters from Cameron LA to High Island TX out 20 NM-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
Waters from Intracoastal City to Cameron LA from 20 to 60 NM-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
405 AM CDT Mon Mar 29 2021

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

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt and 
  seas 5 to 7 feet expected.

* WHERE...Waters from Lower Atchafalaya River to Intracoastal 
  City LA from 20 to 60 NM.

* WHEN...Until 10 AM CDT today.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 28, 9:49 AM CDTSpecial Marine WarningLCH41 min
Mar 28, 10:28 AM CDTSpecial Marine WarningLCH47 min
Mar 28, 11:14 AM CDTSpecial Marine WarningLCH46 min

Nearby

Small Craft Advisories in Louisiana, 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.