707  
WHUS73 KDTX 281338  
MWWDTX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
938 AM EDT TUE OCT 28 2025  
 
LCZ460-290145-  
/O.EXB.KDTX.SC.Y.0077.251028T2000Z-251029T0800Z/  
LAKE ST CLAIR-  
938 AM EDT TUE OCT 28 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO  
4 AM EDT WEDNESDAY...  
 
* WHAT...EXPECT SUSTAINED WINDS UP TO 23 KNOTS FROM THE EAST  
WITH GUSTS UP TO 26 KNOTS. THE LARGEST SIGNIFICANT WAVES WILL  
BE 3 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET.  
 
* WHERE...LAKE ST CLAIR.  
 
* WHEN...THE MAXIMUM WINDS ARE EXPECTED AROUND 10 PM EDT TUESDAY  
WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EDT TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
LHZ422-290145-  
/O.EXB.KDTX.SC.Y.0077.251028T2000Z-251029T0800Z/  
INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI-  
938 AM EDT TUE OCT 28 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO  
4 AM EDT WEDNESDAY...  
 
* WHAT...EXPECT SUSTAINED WINDS UP TO 21 KNOTS FROM THE EAST  
WITH GUSTS UP TO 26 KNOTS. THE LARGEST SIGNIFICANT WAVES WILL  
BE 3 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 4 FEET.  
 
* WHERE...INNER SAGINAW BAY SW OF POINT AU GRES TO BAY PORT MI.  
 
* WHEN...THE MAXIMUM WINDS ARE EXPECTED AROUND 10 PM EDT TUESDAY  
WITH THE LARGEST WAVES EXPECTED AROUND 11 PM EDT TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
LHZ421-441>443-290145-  
/O.CON.KDTX.SC.Y.0077.000000T0000Z-251029T2000Z/  
OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO INNER  
SAGINAW BAY-PORT AUSTIN TO HARBOR BEACH MI-  
HARBOR BEACH TO PORT SANILAC MI-PORT SANILAC TO PORT HURON MI-  
938 AM EDT TUE OCT 28 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT  
WEDNESDAY...  
 
* WHAT...EXPECT SUSTAINED WINDS UP TO 22 KNOTS FROM THE EAST  
WITH GUSTS UP TO 26 KNOTS. THE LARGEST SIGNIFICANT WAVES WILL  
BE 5 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 7 FEET.  
 
* WHERE...OUTER SAGINAW BAY SW OF ALABASTER TO PORT AUSTIN MI TO  
INNER SAGINAW BAY, PORT AUSTIN TO HARBOR BEACH MI, HARBOR  
BEACH TO PORT SANILAC MI AND PORT SANILAC TO PORT HURON MI.  
 
* WHEN...THE MAXIMUM WINDS ARE EXPECTED AROUND 9 PM EDT TUESDAY  
WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EDT TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
LEZ444-290145-  
/O.CON.KDTX.SC.Y.0077.000000T0000Z-251029T2000Z/  
MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO NORTH CAPE MI-  
938 AM EDT TUE OCT 28 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT  
WEDNESDAY...  
 
* WHAT...EXPECT SUSTAINED WINDS UP TO 23 KNOTS FROM THE EAST  
WITH GUSTS UP TO 26 KNOTS. THE LARGEST SIGNIFICANT WAVES WILL  
BE 5 FEET WITH A POTENTIAL MAXIMUM WAVE HEIGHT OF 7 FEET.  
 
* WHERE...MICHIGAN WATERS OF LAKE ERIE FROM DETROIT RIVER TO  
NORTH CAPE MI.  
 
* WHEN...THE MAXIMUM WINDS ARE EXPECTED AROUND 9 PM EDT TUESDAY  
WITH THE LARGEST WAVES EXPECTED AROUND 10 PM EDT TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
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