840  
WHUS73 KAPX 102005  
MWWAPX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GAYLORD MI  
305 PM EST SUN DEC 10 2023  
 
LSZ321-322-110000-  
/O.CON.KAPX.SC.Y.0098.000000T0000Z-231211T0000Z/  
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-  
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-  
305 PM EST SUN DEC 10 2023  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS  
EVENING...  
 
* WHAT...HIGHEST GUSTS UP TO 25 KTS FROM THE NORTHWEST AND  
HIGHEST WAVES AROUND 5 FEET.  
 
* WHERE...WHITEFISH BAY (U. S. PORTION)/WHITEFISH POINT TO POINT  
IROQUOIS MI AND ST. MARYS RIVER POINT IROQUOIS TO E.  
POTAGANNISSING BAY.  
 
* WHEN...UNTIL 7 PM EST THIS EVENING.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LMZ323-341-342-344>346-110000-  
/O.CON.KAPX.SC.Y.0098.000000T0000Z-231211T0000Z/  
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO  
NORWOOD MI-SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-  
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE  
TRAVERSE BAY-SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-  
POINT BETSIE TO SLEEPING BEAR POINT MI-  
MANISTEE TO POINT BETSIE MI-  
305 PM EST SUN DEC 10 2023  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS  
EVENING...  
 
* WHAT...HIGHEST GUSTS UP TO 25 KTS FROM THE NORTHWEST AND  
HIGHEST WAVES AROUND 5 FEET.  
 
* WHERE...PORTIONS OF LAKE MICHIGAN.  
 
* WHEN...UNTIL 7 PM EST THIS EVENING.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LHZ345-346-110000-  
/O.CON.KAPX.SC.Y.0098.000000T0000Z-231211T0000Z/  
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING  
MACKINAC ISLAND-ST IGNACE TO FALSE DETOUR CHANNEL-  
305 PM EST SUN DEC 10 2023  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS  
EVENING...  
 
* WHAT...HIGHEST GUSTS UP TO 25 KTS FROM THE NORTHWEST AND  
HIGHEST WAVES AROUND 3 FEET.  
 
* WHERE...STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE  
INCLUDING MACKINAC ISLAND AND ST IGNACE TO FALSE DETOUR  
CHANNEL.  
 
* WHEN...UNTIL 7 PM EST THIS EVENING.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LHZ347>349-110415-  
/O.CON.KAPX.SC.Y.0098.000000T0000Z-231211T0600Z/  
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING  
BOIS BLANC ISLAND-  
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY  
NATIONAL MARINE SANCTUARY-STURGEON PT TO ALABASTER MI-  
305 PM EST SUN DEC 10 2023  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST MONDAY
 
 
* WHAT...HIGHEST GUSTS UP TO 30 KTS FROM THE NORTHWEST AND  
HIGHEST WAVES AROUND 6 FEET.  
 
* WHERE...5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI  
INCLUDING BOIS BLANC ISLAND, PRESQUE ISLE LIGHT TO STURGEON PT  
MI INCLUDING THUNDER BAY NATIONAL MARINE SANCTUARY AND  
STURGEON PT TO ALABASTER MI.  
 
* WHEN...UNTIL 1 AM EST MONDAY.  
 
* 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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