393  
WHUS73 KIWX 290845  
MWWIWX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE NORTHERN INDIANA  
345 AM EST MON DEC 29 2025  
 
LMZ043-046-291645-  
/O.CON.KIWX.SR.W.0002.000000T0000Z-251229T2100Z/  
NEW BUFFALO MI TO ST JOSEPH MI-MICHIGAN CITY IN TO NEW BUFFALO MI-  
345 AM EST MON DEC 29 2025  
 
...STORM WARNING REMAINS IN EFFECT UNTIL 4 PM EST THIS  
AFTERNOON...  
 
* WHAT...WEST WINDS 30 TO 40 KNOTS WITH GUSTS UP TO 50 KNOTS  
TODAY. WAVES 13 TO 17 FEET BUILDING TO 15 TO 20 FEET THIS  
AFTERNOON.  
 
* WHERE...MICHIGAN CITY IN TO ST JOSEPH MI.  
 
* WHEN...UNTIL 4 PM EST THIS AFTERNOON.  
 
* IMPACTS...STORM FORCE WINDS AND HAZARDOUS WAVES WILL CAPSIZE  
OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
* ADDITIONAL DETAILS...A PERIOD OF GALE FORCE AND THEN SMALL CRAFT  
THRESHOLD WINDS TAKE OVER TONIGHT AND CONTINUE INTO LATER  
TUESDAY AFTERNOON.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD REMAIN IN PORT, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR SEVERE CONDITIONS.  
 

 
 

 
 
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