Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service Lake Charles LA
1020 PM CST Thu Feb 19 2026
LAZ073-074-141-142-152-241>243-252>254-TXZ515-516-615-616-201515-
/O.CON.KLCH.FG.Y.0010.000000T0000Z-260220T1600Z/
West Cameron-East Cameron-Northern Calcasieu-Northern Jefferson
Davis-Upper Vermilion-Southern Calcasieu-Southern Jefferson Davis-
Southern Acadia-Lower Vermilion-Lower Iberia-Lower St. Mary-Upper
Jefferson-Northern Orange-Lower Jefferson-Southern Orange-
Including the cities of Mauriceville, Cypremort Point, Lake
Arthur, Jennings, Morse, Welsh, Elton, Intracoastal City,
Hackberry, Grand Lake, Beaumont, Sulphur, Creole, Grand Chenier,
Iowa, Meaux, Cameron, Gueydan, Burns Point, Port Arthur,
Hathaway, Westlake, Maurice, Vinton, China, Sabine Pass, Fenton,
Nederland, Abbeville, Klondike, Hayes, Topsy, Vidor, Carlyss, De
Quincy, Lake Charles, Moss Bluff, Avery Island, Orange, Bridge
City, Kaplan, Forked Island, Bell City, Rutherford Beach, Johnson
Bayou, and Sea Rim State Park
1020 PM CST Thu Feb 19 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST FRIDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of south central and southwest Louisiana and
southeast Texas.
* WHEN...Until 10 AM CST Friday.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Denson
URGENT - MARINE WEATHER MESSAGE
National Weather Service Houston/Galveston TX
728 PM CST Thu Feb 19 2026
GMZ335-200930-
/O.CON.KHGX.MF.Y.0013.000000T0000Z-260220T1500Z/
Galveston Bay-
728 PM CST Thu Feb 19 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST FRIDAY...
* WHAT...Dense fog will reduce visibility to less than 1 NM.
* WHERE...Galveston Bay.
* WHEN...Until 9 AM CST Friday.
* IMPACTS...Low visibility will make navigation difficult.
* ADDITIONAL DETAILS...Areas of dense fog in the lower bay should
gradually push farther north this evening into the overnight.
Fog will likely continue into the morning hours tomorrow.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Houston/Galveston TX
728 PM CST Thu Feb 19 2026
GMZ350-355-200930-
/O.CON.KHGX.MF.Y.0013.000000T0000Z-260220T1800Z/
Coastal waters from Freeport to Matagorda Ship Channel TX out
20 NM-Coastal waters from High Island to Freeport TX out 20 NM-
728 PM CST Thu Feb 19 2026
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL NOON CST FRIDAY...
* WHAT...Dense fog will reduce visibility to 1 NM or less.
* WHERE...Coastal waters from Freeport to Matagorda Ship Channel
TX out 20 NM.
* WHEN...Until noon CST Friday.
* IMPACTS...Low visibility will make navigation difficult.
* ADDITIONAL DETAILS...Areas of fog are likely to expand in
coverage this evening into tonight.
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.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service New Orleans LA
723 PM CST Thu Feb 19 2026
GMZ532-534-536-538-550-552-555-201530-
/O.NEW.KLIX.MF.Y.0013.260220T0123Z-260220T1800Z/
Mississippi Sound-Lake Borgne-Chandeleur Sound-Breton Sound-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River
LA out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River
to Port Fourchon Louisiana out 20 NM-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
723 PM CST Thu Feb 19 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL NOON CST FRIDAY...
* WHAT...Dense fog will reduce visibility to 1 NM or less.
* WHERE...Nearshore Gulf waters of southeastern Louisiana and
Mississippi.
* WHEN...Until noon CST Friday.
* IMPACTS...Low visibility will make navigation difficult.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.
&&
$$
95/DM
URGENT - MARINE WEATHER MESSAGE
National Weather Service Lake Charles LA
1154 AM CST Thu Feb 19 2026
GMZ430-432-435-436-450-452-455-200630-
/O.EXT.KLCH.MF.Y.0012.000000T0000Z-260220T1800Z/
Sabine Lake-Calcasieu Lake-Vermilion and West Cote Blanche Bays-
Atchafalaya and East Cote Blanche Bays-
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-
1154 AM CST Thu Feb 19 2026
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON CST FRIDAY...
* WHAT...Dense fog will reduce visibility to 1/4 NM or less.
* WHERE...Portions of and the coastal lakes and bays of the Gulf
of America.
* WHEN...Until noon CST Friday.
* 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.
&&
$$
