098  
WHUS74 KLCH 220921  
MWWLCH  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE LAKE CHARLES LA  
321 AM CST MON JAN 22 2018  
   
..DENSE SEA FOG EXPECTED AHEAD OF A COLD FRONT
 
 
.SOUTHEAST TO SOUTH WINDS WILL BRING A WARM AND MOIST AIR MASS  
OVER RELATIVELY COOLER NEAR SHORE GULF WATERS. THE RESULT WILL BE  
THE CONTINUATION OF DENSE SEA FOG EARLY THIS MORNING. VISIBILITIES  
ARE EXPECTED TO IMPROVE FROM WEST TO EAST THROUGH MID-MORNING AS  
THE FRONT CROSSES THE COASTAL WATERS, FOLLOWED BY DRIER WESTERLY  
WINDS.  
 
GMZ452-455-221500-  
/O.EXT.KLCH.MF.Y.0002.000000T0000Z-180122T1500Z/  
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-  
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY  
LA OUT 20 NM-  
321 AM CST MON JAN 22 2018  
   
..DENSE FOG ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS MORNING
 
 
* VISIBILITY...WIDESPREAD LESS THAN 1 NM AND NEAR ZERO AT TIMES.  
 
* IMPACTS...HAZARDOUS CONDITIONS FOR MARINE OPERATIONS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE  
REDUCED TO LESS THAN ONE MILE. INEXPERIENCED MARINERS, ESPECIALLY  
THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE  
CONDITIONS.  
 

 
 

 
 
GMZ435-221500-  
/O.EXT.KLCH.MF.Y.0003.000000T0000Z-180122T1500Z/  
VERMILION BAY-  
321 AM CST MON JAN 22 2018  
   
..DENSE FOG ADVISORY NOW IN EFFECT UNTIL 9 AM CST THIS MORNING
 
 
* VISIBILITY...WIDESPREAD LESS THAN 1 NM AND NEAR ZERO AT TIMES.  
 
* IMPACTS...HAZARDOUS CONDITIONS FOR MARINE OPERATIONS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE  
REDUCED TO LESS THAN ONE MILE. INEXPERIENCED MARINERS, ESPECIALLY  
THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE  
CONDITIONS.  
 

 
 

 
 
GMZ430-432-221200-  
/O.CON.KLCH.MF.Y.0003.000000T0000Z-180122T1200Z/  
SABINE LAKE-CALCASIEU LAKE-  
321 AM CST MON JAN 22 2018  
 
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS  
MORNING...  
 
* VISIBILITY...WIDESPREAD LESS THAN 1 NM AND NEAR ZERO AT TIMES.  
 
* IMPACTS...HAZARDOUS CONDITIONS FOR MARINE OPERATIONS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE  
REDUCED TO LESS THAN ONE MILE. INEXPERIENCED MARINERS, ESPECIALLY  
THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE  
CONDITIONS.  
 

 
 

 
 
GMZ450-221200-  
/O.CON.KLCH.MF.Y.0002.000000T0000Z-180122T1200Z/  
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-  
321 AM CST MON JAN 22 2018  
 
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS  
MORNING...  
 
* VISIBILITY...WIDESPREAD LESS THAN 1 NM AND NEAR ZERO AT TIMES.  
 
* IMPACTS...HAZARDOUS CONDITIONS FOR MARINE OPERATIONS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE  
REDUCED TO LESS THAN ONE MILE. INEXPERIENCED MARINERS, ESPECIALLY  
THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE  
CONDITIONS.  
 

 
 

 
 
24  
 
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