970  
WHUS74 KLCH 061742  
MWWLCH  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
1142 AM CST SAT DEC 6 2025  
 
GMZ430-432-070645-  
/O.CON.KLCH.LO.Y.0016.000000T0000Z-251207T0000Z/  
/O.NEW.KLCH.MF.Y.0021.251207T0600Z-251207T1200Z/  
SABINE LAKE-CALCASIEU LAKE-  
1142 AM CST SAT DEC 6 2025  
 
...LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS  
EVENING...  
...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST  
SUNDAY...  
 
* WHAT...FOR THE LOW WATER ADVISORY, ABNORMALLY LOW WATER  
LEVELS. FOR THE DENSE FOG ADVISORY, DENSE FOG WILL REDUCE  
VISIBILITY TO LESS THAN 1 NM.  
 
* WHERE...SABINE LAKE AND CALCASIEU LAKE.  
 
* WHEN...FOR THE LOW WATER ADVISORY, UNTIL 6 PM CST THIS  
EVENING. FOR THE DENSE FOG ADVISORY, FROM MIDNIGHT TONIGHT TO  
6 AM CST SUNDAY.  
 
* IMPACTS...BELOW NORMAL WATER LEVELS WILL RESULT IN HAZARDOUS  
NAVIGATING CONDITIONS. LOW VISIBILITY WILL MAKE NAVIGATION  
DIFFICULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD NAVIGATE SHALLOW WATERS WITH EXTREME CAUTION DUE  
TO BELOW NORMAL WATER LEVELS.  
 
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.  
 

 
 

 
 
GMZ435-436-070645-  
/O.NEW.KLCH.MF.Y.0021.251207T0600Z-251207T1200Z/  
VERMILION AND WEST COTE BLANCHE BAYS-  
ATCHAFALAYA AND EAST COTE BLANCHE BAYS-  
1142 AM CST SAT DEC 6 2025  
 
...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST  
SUNDAY...  
 
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN 1 NM.  
 
* WHERE...VERMILION AND WEST COTE BLANCHE BAYS AND ATCHAFALAYA  
AND EAST COTE BLANCHE BAYS.  
 
* WHEN...FROM MIDNIGHT TONIGHT TO 6 AM CST SUNDAY.  
 
* 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.  
 

 
 

 
 
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