198  
WHUS73 KGRB 121350  
MWWGRB  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GREEN BAY WI  
850 AM CDT FRI SEP 12 2025  
 
LMZ521-522-541>543-121800-  
/O.EXT.KGRB.MF.Y.0008.000000T0000Z-250912T1800Z/  
GREEN BAY SOUTH OF LINE FROM CEDAR RIVER TO ROCK ISLAND PASSAGE  
AND NORTH OF A LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-  
GREEN BAY SOUTH OF LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
850 AM CDT FRI SEP 12 2025  
 
...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THIS  
AFTERNOON...  
 
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO 1 NM OR LESS.  
 
* WHERE...LAKE MICHIGAN NEARSHORE WATERS FROM WASHINGTON ISLAND  
TO SHEBOYGAN, AND CENTRAL AND SOUTHERN BAY OF GREEN BAY.  
 
* WHEN...UNTIL 1 PM CDT THIS AFTERNOON.  
 
* 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.  
 
 
 
 
 
JLA  
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