Alert archive / Louisiana / Small Craft Advisories in 2021

Small Craft Advisory 21, NWS New Orleans, LA

April 9, 2021

NWS New Orleans, LA issued this small craft advisory at Apr 9, 2021, 3:44 AM CDT. It took effect at Apr 9, 2021, 10:00 PM CDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Apr 9, 2021, 3:44 AM CDT (08:44 UTC)
In effect from
Apr 9, 2021, 10:00 PM CDT
Expired
Apr 10, 2021, 3:42 PM CDT
In force
18 hr
Issued by
NWS New Orleans, LA

The text

As transmitted.

838 
WHUS74 KLIX 090844
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
344 AM CDT Fri Apr 9 2021

GMZ532-536-538-550-552-555-557-570-572-575-577-091645-
/O.NEW.KLIX.SC.Y.0021.210410T0300Z-210410T2100Z/
Mississippi Sound-Chandeleur Sound-Breton Sound-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River
LA out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River
to Port Fourchon Louisiana out 20 NM-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to
Port Fourchon Louisiana from 20 to 60 NM-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island
Louisiana out 20 to 60 NM-
344 AM CDT Fri Apr 9 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 PM
CDT SATURDAY...

* WHAT...South winds 20 to 25 kt with gusts up to 30 kt and seas 
  5 to 8 ft expected.

* WHERE...Portions of Gulf of Mexico. 

* WHEN...From 10 PM this evening to 4 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
6 follow-up statements
182 
WHUS74 KLIX 091453
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
953 AM CDT Fri Apr 9 2021

GMZ532-536-538-550-552-555-557-570-572-575-577-092300-
/O.CON.KLIX.SC.Y.0021.210410T0300Z-210410T2100Z/
Mississippi Sound-Chandeleur Sound-Breton Sound-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River
LA out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River
to Port Fourchon Louisiana out 20 NM-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to
Port Fourchon Louisiana from 20 to 60 NM-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island
Louisiana out 20 to 60 NM-
953 AM CDT Fri Apr 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 4 PM CDT SATURDAY...

* WHAT...South winds 20 to 25 kt with gusts up to 30 kt and seas 
  5 to 8 ft expected.

* WHERE...Portions of Gulf of Mexico.

* WHEN...From 10 PM this evening to 4 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
452 
WHUS74 KLIX 092057
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
357 PM CDT Fri Apr 9 2021

GMZ532-536-538-550-552-555-557-570-572-575-577-100500-
/O.CON.KLIX.SC.Y.0021.210410T0300Z-210410T2100Z/
Mississippi Sound-Chandeleur Sound-Breton Sound-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River
LA out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River
to Port Fourchon Louisiana out 20 NM-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to
Port Fourchon Louisiana from 20 to 60 NM-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island
Louisiana out 20 to 60 NM-
357 PM CDT Fri Apr 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 4 PM CDT SATURDAY...

* WHAT...South winds 20 to 25 kt with gusts up to 30 kt and seas 
  5 to 8 ft expected.

* WHERE...Portions of Gulf of Mexico.

* WHEN...From 10 PM this evening to 4 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
316 
WHUS74 KLIX 100159
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
859 PM CDT Fri Apr 9 2021

GMZ532-536-538-550-552-555-557-570-572-575-577-101000-
/O.CON.KLIX.SC.Y.0021.210410T0300Z-210410T2100Z/
Mississippi Sound-Chandeleur Sound-Breton Sound-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River
LA out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River
to Port Fourchon Louisiana out 20 NM-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to
Port Fourchon Louisiana from 20 to 60 NM-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island
Louisiana out 20 to 60 NM-
859 PM CDT Fri Apr 9 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT
SATURDAY...

* WHAT...South winds 20 to 25 kt with gusts up to 30 kt and seas 
  5 to 8 ft expected.

* WHERE...Portions of Gulf of Mexico.

* WHEN...From 10 PM this evening to 4 PM CDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
212 
WHUS74 KLIX 100859
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
359 AM CDT Sat Apr 10 2021

GMZ532-536-538-550-552-555-557-570-572-575-577-101700-
/O.CON.KLIX.SC.Y.0021.000000T0000Z-210410T2100Z/
Mississippi Sound-Chandeleur Sound-Breton Sound-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River
LA out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River
to Port Fourchon Louisiana out 20 NM-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to
Port Fourchon Louisiana from 20 to 60 NM-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island
Louisiana out 20 to 60 NM-
359 AM CDT Sat Apr 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Southwest winds 20 to 25 kt with gusts up to 30 kt and 
  seas 5 to 7 ft.

* WHERE...Portions of Gulf of Mexico. 

* WHEN...Until 4 PM CDT this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
401 
WHUS74 KLIX 101459
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
959 AM CDT Sat Apr 10 2021

GMZ532-536-538-550-552-555-557-570-572-575-577-102100-
/O.CON.KLIX.SC.Y.0021.000000T0000Z-210410T2100Z/
Mississippi Sound-Chandeleur Sound-Breton Sound-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River
LA out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River
to Port Fourchon Louisiana out 20 NM-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to
Port Fourchon Louisiana from 20 to 60 NM-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island
Louisiana out 20 to 60 NM-
959 AM CDT Sat Apr 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CDT THIS
AFTERNOON...

* WHAT...Southeast to southwest winds 20 to 25 kt with gusts up to
  30 kt and seas 5 to 7 ft. Winds and waves higher in
  thunderstorms.

* WHERE...Portions of Gulf of Mexico.

* WHEN...Until 4 PM CDT this afternoon.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
829 
WHUS74 KLIX 102042
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
342 PM CDT Sat Apr 10 2021

GMZ532-536-538-550-552-555-557-570-572-575-577-102145-
/O.CAN.KLIX.SC.Y.0021.000000T0000Z-210410T2100Z/
Mississippi Sound-Chandeleur Sound-Breton Sound-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River
LA out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River
to Port Fourchon Louisiana out 20 NM-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to
Port Fourchon Louisiana from 20 to 60 NM-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island
Louisiana out 20 to 60 NM-
342 PM CDT Sat Apr 10 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Hazardous conditions have subsided somewhat during the afternoon
hours, and the Small Craft Advisory has been cancelled. 

$$

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 9, 2:07 AM CDTSpecial Marine WarningLIX83 min
Apr 9, 2:16 AM CDTSpecial Marine WarningLIX44 min
Apr 9, 3:08 AM CDTSpecial Marine WarningLIX97 min
Apr 9, 3:14 AM CDTSpecial Marine WarningLIX91 min
Apr 9, 3:25 AM CDTSpecial Marine WarningLIX82 min
Apr 9, 3:34 AM CDTSpecial Marine WarningLIX56 min
Apr 9, 4:31 AM CDTSpecial Marine WarningLIX16 min
Apr 9, 4:35 AM CDTSpecial Weather StatementLIXPlaquemines25 min
Apr 9, 4:56 AM CDTSpecial Marine WarningLIX64 min
Apr 9, 6:30 AM CDTSpecial Marine WarningLIX60 min
Apr 9, 10:05 AM CDTRiver Flood WarningLIXSaint Tammany12 days
Apr 9, 2:34 AM CDTSpecial Weather StatementLIXJackson41 min
Apr 9, 2:35 AM CDTSpecial Weather StatementLIXJackson40 min
Apr 9, 2:38 AM CDTSevere Thunderstorm WarningLIXJackson37 min
Apr 9, 9:55 AM CDTRiver Flood WarningLIXPearl River3 days
Apr 9, 9:55 AM CDTRiver Flood WarningLIXPearl River71 hr
Apr 9, 10:09 AM CDTRiver Flood WarningLIXHarrison4 days
Apr 9, 10:09 AM CDTRiver Flood WarningLIXHarrison4 days

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.