364  
WHUS73 KAPX 242041  
MWWAPX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GAYLORD MI  
341 PM EST WED FEB 24 2021  
 
LMZ323-341-342-344>346-250500-  
/O.CON.KAPX.SC.Y.0021.000000T0000Z-210225T0500Z/  
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-  
341 PM EST WED FEB 24 2021  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST  
TONIGHT...  
 
* WHAT...HIGHEST GUSTS UP TO 30 KT FROM THE NORTH-NORTHWEST AND  
HIGHEST WAVES AROUND 7 FEET.  
 
* WHERE...PORTIONS OF LAKE MICHIGAN.  
 
* WHEN...UNTIL MIDNIGHT EST TONIGHT.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LHZ345-346-349-250500-  
/O.CON.KAPX.SC.Y.0021.000000T0000Z-210225T0500Z/  
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING  
MACKINAC ISLAND-ST IGNACE TO FALSE DETOUR CHANNEL-  
STURGEON PT TO ALABASTER MI-  
341 PM EST WED FEB 24 2021  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST  
TONIGHT...  
 
* WHAT...HIGHEST GUSTS UP TO 25 KT FROM THE NORTH-NORTHWEST AND  
HIGHEST WAVES AROUND 4 FEET.  
 
* WHERE...STURGEON PT TO ALABASTER MI, STRAITS OF MACKINAC  
WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING MACKINAC ISLAND AND  
ST IGNACE TO FALSE DETOUR CHANNEL.  
 
* WHEN...UNTIL MIDNIGHT EST TONIGHT.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LHZ347-348-250900-  
/O.CON.KAPX.SC.Y.0021.000000T0000Z-210225T0900Z/  
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-  
341 PM EST WED FEB 24 2021  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST  
THURSDAY...  
 
* WHAT...HIGHEST GUSTS UP TO 30 KT FROM THE NORTH-NORTHWEST AND  
HIGHEST WAVES AROUND 7 FEET.  
 
* WHERE...PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER  
BAY NATIONAL MARINE SANCTUARY AND 5NM EAST OF MACKINAC BRIDGE  
TO PRESQUE ISLE LIGHT MI INCLUDING BOIS BLANC ISLAND.  
 
* WHEN...UNTIL 4 AM EST THURSDAY.  
 
* 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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