553  
WHUS73 KAPX 031938  
MWWAPX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GAYLORD MI  
238 PM EST WED DEC 3 2025  
 
LMZ323-341-342-344>346-040530-  
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/  
/O.UPG.KAPX.GL.A.0018.251205T0300Z-251205T1200Z/  
/O.NEW.KAPX.GL.W.0032.251205T0300Z-251205T1500Z/  
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-  
238 PM EST WED DEC 3 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST  
THURSDAY...  
...GALE WARNING IN EFFECT FROM 10 PM THURSDAY TO 10 AM EST  
FRIDAY...  
 
* WHAT...FOR THE SMALL CRAFT ADVISORY, HIGHEST GUSTS UP TO 30  
KTS FROM THE NORTHWEST AND HIGHEST WAVES AROUND 8 FEET. FOR  
THE GALE WARNING, HIGHEST GUSTS UP TO 45 KTS FROM THE  
SOUTHWEST AND HIGHEST WAVES AROUND 13 FEET EXPECTED.  
 
* WHERE...PORTIONS OF LAKE MICHIGAN.  
 
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 1 PM EST THURSDAY.  
FOR THE GALE WARNING, FROM 10 PM THURSDAY TO 10 AM EST FRIDAY.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS HIGHEST WAVES  
WHICH COULD CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR HAZARDOUS CONDITIONS.  
 
 
 
 
 
LSZ321-322-040530-  
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/  
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-  
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-  
238 PM EST WED DEC 3 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST  
THURSDAY...  
 
* WHAT...HIGHEST GUSTS UP TO 30 KTS FROM THE NORTHWEST AND  
HIGHEST WAVES AROUND 10 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 1 PM 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.  
 
 
 
 
 
LHZ345>349-040530-  
/O.CON.KAPX.SC.Y.0118.000000T0000Z-251204T1800Z/  
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING  
MACKINAC ISLAND-ST IGNACE TO FALSE DETOUR CHANNEL-  
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-  
238 PM EST WED DEC 3 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST  
THURSDAY...  
 
* WHAT...HIGHEST GUSTS UP TO 30 KTS FROM THE NORTHWEST AND  
HIGHEST WAVES AROUND 9 FEET.  
 
* WHERE...STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE  
INCLUDING MACKINAC ISLAND, ST IGNACE TO FALSE DETOUR CHANNEL,  
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 PM 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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