Alert archive / Louisiana / Small Craft Advisories in 2021

Small Craft Advisory 49, NWS New Orleans, LA

December 18, 2021

NWS New Orleans, LA issued this small craft advisory at Dec 18, 2021, 2:35 PM CST. It took effect at Dec 18, 2021, 9:00 PM CST. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Dec 18, 2021, 2:35 PM CST (20:35 UTC)
In effect from
Dec 18, 2021, 9:00 PM CST
Expired
Dec 21, 2021, 9:00 PM CST
In force
3 days
Issued by
NWS New Orleans, LA

The text

As transmitted.

295 
WHUS74 KLIX 182035
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
235 PM CST Sat Dec 18 2021

GMZ536-538-550-552-555-557-570-572-575-577-190445-
/O.NEW.KLIX.SC.Y.0049.211219T0300Z-211219T2100Z/
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-
235 PM CST Sat Dec 18 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 3 PM
CST SUNDAY...

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

* WHERE...Chandeleur Sound, Breton Sound, and all of the open Gulf
  waters. 

* WHEN...From 9 PM this evening to 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PG
12 follow-up statements
880 
WHUS74 KLIX 190301
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
901 PM CST Sat Dec 18 2021

GMZ536-538-550-552-555-557-570-572-575-577-191115-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211219T2100Z/
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-
901 PM CST Sat Dec 18 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST SUNDAY...

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

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...From 9 PM this evening to 3 PM CST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
066 
WHUS74 KLIX 191048
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
448 AM CST Sun Dec 19 2021

GMZ530-532-534-191900-
/O.EXB.KLIX.SC.Y.0049.000000T0000Z-211220T0000Z/
Lake Pontchartrain and Lake Maurepas-Mississippi Sound-
Lake Borgne-
448 AM CST Sun Dec 19 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

* WHAT...North winds 20 to 25 kt with gusts up to 30 kts and waves
  around 4 feet.

* WHERE...Lake Pontchartrain and Lake Maurepas, Mississippi 
  Sound and Lake Borgne.

* WHEN...Until 6 PM CST 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.

&&

$$

GMZ536-538-550-552-555-557-570-572-575-577-191900-
/O.EXT.KLIX.SC.Y.0049.000000T0000Z-211220T0000Z/
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-
448 AM CST Sun Dec 19 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS
EVENING...

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

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 6 PM CST 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.

&&

$$
959 
WHUS74 KLIX 191448
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
848 AM CST Sun Dec 19 2021

GMZ530-532-534-536-538-550-552-555-557-570-572-575-577-192300-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211220T0000Z/
Lake Pontchartrain and Lake Maurepas-Mississippi Sound-
Lake Borgne-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-
848 AM CST Sun Dec 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

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

* WHERE...All of the tidal lakes, sounds, and open Gulf waters.

* WHEN...Until 6 PM CST 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.

&&

$$
715 
WHUS74 KLIX 192049
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
249 PM CST Sun Dec 19 2021

GMZ530-532-534-192200-
/O.CAN.KLIX.SC.Y.0049.000000T0000Z-211220T0000Z/
Lake Pontchartrain and Lake Maurepas-Mississippi Sound-
Lake Borgne-
249 PM CST Sun Dec 19 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Winds have fallen below advisory levels over the tidal lakes and
the Mississippi Sound this afternoon. However, small craft should
continue to exercise caution in these waters as winds remain
elevated at between 15 and 20 knots through tomorrow.

$$

GMZ536-538-550-552-555-557-570-572-575-577-200500-
/O.EXT.KLIX.SC.Y.0049.000000T0000Z-211221T1500Z/
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-
249 PM CST Sun Dec 19 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CST TUESDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 35 kt and 
  seas 5 to 7 ft.

* WHERE...Chandeleur Sound, Breton Sound, and all of the open Gulf
  waters.  

* WHEN...Until 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PG
417 
WHUS74 KLIX 200259
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
859 PM CST Sun Dec 19 2021

GMZ532-201100-
/O.EXB.KLIX.SC.Y.0049.000000T0000Z-211220T1200Z/
Mississippi Sound-
859 PM CST Sun Dec 19 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST MONDAY...

* WHAT...Winds of 15 to 20 knots with frequent higher gusts.

* WHERE...Mississippi Sound.

* WHEN...Until 6 AM CST 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.

&&

$$

GMZ536-538-550-552-555-557-570-572-575-577-201100-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211221T1500Z/
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 CST Sun Dec 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 35 kt and 
  seas 5 to 7 ft.

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
811 
WHUS74 KLIX 201046
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
446 AM CST Mon Dec 20 2021

GMZ536-538-557-201900-
/O.EXT.KLIX.SC.Y.0049.000000T0000Z-211220T1200Z/
/O.NEW.KLIX.SC.Y.0050.211221T0000Z-211221T1500Z/
Chandeleur Sound-Breton Sound-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
446 AM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
CST TUESDAY...

* WHAT...For the first Small Craft Advisory, northeast winds 15 to
  20 knots with frequent higher gusts.. For the second Small Craft
  Advisory, north winds 15 to 20 knots with frequent higher 
  gusts.

* WHERE...Chandeleur Sound, Breton Sound and Coastal waters from 
  Pascagoula Mississippi to Stake Island out 20 NM.

* WHEN...For the Small Craft Advisory, until 6 AM CST early this
  morning. For the second Small Craft Advisory, from 6 PM this 
  evening to 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ532-201900-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211220T1200Z/
/O.NEW.KLIX.SC.Y.0050.211221T0000Z-211221T1500Z/
Mississippi Sound-
446 AM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY
THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
CST TUESDAY...

* WHAT...For the first Small Craft Advisory, northeast winds 15 to
  20 knots with frequent higher gusts.. For the second Small Craft
  Advisory, north winds 15 to 20 knots with frequent higher 
  gusts.

* WHERE...Mississippi Sound.

* WHEN...For the Small Craft Advisory, until 6 AM CST early this 
  morning. For the Small Craft Advisory, from 6 PM this evening 
  to 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ534-201900-
/O.EXB.KLIX.SC.Y.0049.211221T0000Z-211221T1500Z/
Lake Borgne-
446 AM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
CST TUESDAY...

* WHAT...North winds 15 to 20 knots with frequent higher gusts.

* WHERE...Lake Borgne.

* WHEN...From 6 PM this evening to 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ575-577-201900-
/O.EXT.KLIX.SC.Y.0049.000000T0000Z-211221T2100Z/
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-
446 AM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM CST TUESDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 35 kt and 
  seas 5 to 7 ft.

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 3 PM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ550-552-555-570-572-201900-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211221T1500Z/
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 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-
446 AM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 35 kt and 
  seas 5 to 7 ft.

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
650 
WHUS74 KLIX 201634
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
1034 AM CST Mon Dec 20 2021

GMZ550-552-555-570-572-210045-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211221T1500Z/
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 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-
1034 AM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 35 kt and 
  seas 5 to 7 ft.

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ575-577-210045-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211221T2100Z/
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-
1034 AM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
TUESDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 35 kt and 
  seas 5 to 7 ft.

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 3 PM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ532-536-538-557-210045-
/O.CON.KLIX.SC.Y.0050.211221T0000Z-211221T1500Z/
Mississippi Sound-Chandeleur Sound-Breton Sound-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
1034 AM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 AM CST TUESDAY...

* WHAT...For the first Small Craft Advisory, northeast winds 15 
  to 20 knots with frequent higher gusts.. For the second Small 
  Craft Advisory, north winds 15 to 20 knots with frequent 
  higher gusts.

* WHERE...Chandeleur Sound, Breton Sound and Coastal waters from 
  Pascagoula Mississippi to Stake Island out 20 NM.

* WHEN...For the Small Craft Advisory, until 6 AM CST early this 
  morning. For the second Small Craft Advisory, from 6 PM this 
  evening to 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ534-210045-
/O.CON.KLIX.SC.Y.0049.211221T0000Z-211221T1500Z/
Lake Borgne-
1034 AM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 AM CST TUESDAY...

* WHAT...North winds 15 to 20 knots with frequent higher gusts.

* WHERE...Lake Borgne.

* WHEN...From 6 PM this evening to 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
926 
WHUS74 KLIX 202101
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
301 PM CST Mon Dec 20 2021

GMZ550-552-555-570-572-210515-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211221T1500Z/
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 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-
301 PM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 35 kt and 
  seas 5 to 7 ft.

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ575-577-210515-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211221T2100Z/
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-
301 PM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
TUESDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 35 kt and 
  seas 5 to 7 ft.

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 3 PM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ532-536-538-557-210515-
/O.CON.KLIX.SC.Y.0050.211221T0000Z-211221T1500Z/
Mississippi Sound-Chandeleur Sound-Breton Sound-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
301 PM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY...

* WHAT...For the first Small Craft Advisory, northeast winds 15 
  to 20 knots with frequent higher gusts.. For the second Small 
  Craft Advisory, north winds 15 to 20 knots with frequent 
  higher gusts.

* WHERE...Chandeleur Sound, Breton Sound and Coastal waters from 
  Pascagoula Mississippi to Stake Island out 20 NM.

* WHEN...For the Small Craft Advisory, until 6 AM CST early this 
  morning. For the second Small Craft Advisory, from 6 PM this 
  evening to 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ534-210515-
/O.CON.KLIX.SC.Y.0049.211221T0000Z-211221T1500Z/
Lake Borgne-
301 PM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY...

* WHAT...North winds 15 to 20 knots with frequent higher gusts.

* WHERE...Lake Borgne.

* WHEN...From 6 PM this evening to 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
042 
WHUS74 KLIX 210243
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
843 PM CST Mon Dec 20 2021

GMZ534-550-552-555-570-572-211045-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211221T1500Z/
Lake Borgne-
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 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-
843 PM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 35 kt and 
  seas 5 to 7 ft.

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 9 AM CST Tuesday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ532-536-538-557-211045-
/O.CON.KLIX.SC.Y.0050.000000T0000Z-211221T1500Z/
Mississippi Sound-Chandeleur Sound-Breton Sound-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
843 PM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST
TUESDAY...

* WHAT...For the first Small Craft Advisory, northeast winds 15 
  to 20 knots with frequent higher gusts.. For the second Small 
  Craft Advisory, north winds 15 to 20 knots with frequent 
  higher gusts.

* WHERE...Chandeleur Sound, Breton Sound and Coastal waters from 
  Pascagoula Mississippi to Stake Island out 20 NM.

* WHEN...For the Small Craft Advisory, until 6 AM CST early this 
  morning. For the second Small Craft Advisory, from 6 PM this 
  evening to 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ575-577-211045-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211221T2100Z/
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-
843 PM CST Mon Dec 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST
TUESDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 35 kt and 
  seas 5 to 7 ft.

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 3 PM CST Tuesday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
264 
WHUS74 KLIX 210940
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
340 AM CST Tue Dec 21 2021

GMZ572-575-577-211745-
/O.EXT.KLIX.SC.Y.0049.000000T0000Z-211222T0300Z/
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-
340 AM CST Tue Dec 21 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM CST THIS
EVENING...

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

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 9 PM CST 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.

&&

$$

GMZ534-550-552-555-570-211500-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211221T1500Z/
Lake Borgne-
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 Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
340 AM CST Tue Dec 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt. Seas
  2 to 4 ft for protected or nearshore waters, 5 to 7 ft for open
  Gulf waters.

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

GMZ532-536-538-557-211500-
/O.CON.KLIX.SC.Y.0050.000000T0000Z-211221T1500Z/
Mississippi Sound-Chandeleur Sound-Breton Sound-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 NM-
340 AM CST Tue Dec 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...

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

* WHERE...Chandeleur Sound, Breton Sound and Coastal waters from 
  Pascagoula Mississippi to Stake Island out 20 NM.

* WHEN...Until 9 AM CST Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
784 
WHUS74 KLIX 211532
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
932 AM CST Tue Dec 21 2021

GMZ572-575-577-212345-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211222T0300Z/
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-
932 AM CST Tue Dec 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

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

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 9 PM CST 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.

&&

$$
100 
WHUS74 KLIX 212102
MWWLIX

URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
302 PM CST Tue Dec 21 2021

GMZ572-575-577-220300-
/O.CON.KLIX.SC.Y.0049.000000T0000Z-211222T0300Z/
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-
302 PM CST Tue Dec 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CST THIS
EVENING...

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

* WHERE...Chandeleur Sound, Breton Sound, and all of the open 
  Gulf waters.

* WHEN...Until 9 PM CST 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 17, 6:59 PM CSTMarine Dense Fog AdvisoryLIX15 hr
Dec 17, 7:00 PM CSTDense Fog AdvisoryLIXAssumption, East Baton Rouge, East Feliciana, Iberville, Orleans, Pointe Coupee and 9 more15 hr
Dec 18, 4:49 PM CSTSpecial Weather StatementLIXIberville56 min
Dec 18, 5:19 PM CSTSpecial Weather StatementLIXAscension, Livingston56 min
Dec 18, 5:54 PM CSTSpecial Marine WarningLIX66 min
Dec 18, 4:06 PM CSTSpecial Weather StatementLIXPearl River39 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.