630  
WHUS73 KAPX 170221  
MWWAPX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GAYLORD MI  
1021 PM EDT FRI OCT 16 2026  
 
LMZ323-341-342-344>346-LSZ321-170800-  
/O.CAN.KAPX.GL.W.0018.000000T0000Z-261017T0300Z/  
/O.EXB.KAPX.SC.Y.0093.000000T0000Z-261017T0800Z/  
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-  
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-  
1021 PM EDT FRI OCT 16 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT SATURDAY  
   
..GALE WARNING IS CANCELLED  
 
* WHAT...HIGHEST GUSTS UP TO 35 KTS FROM THE NORTH AND HIGHEST  
WAVES AROUND 9 FEET.  
 
* WHERE...PORTIONS OF LAKE MICHIGAN AND LAKE SUPERIOR.  
 
* WHEN...UNTIL 4 AM EDT SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
* ADDITIONAL DETAILS...  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
LHZ345>349-171000-  
/O.CAN.KAPX.GL.W.0018.000000T0000Z-261017T0800Z/  
/O.EXB.KAPX.SC.Y.0093.000000T0000Z-261017T1000Z/  
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-  
1021 PM EDT FRI OCT 16 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT SATURDAY  
   
..GALE WARNING IS CANCELLED  
 
* WHAT...HIGHEST GUSTS UP TO 30 KTS FROM THE NORTH 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 6 AM EDT SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
* ADDITIONAL DETAILS...  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
LSZ322-170330-  
/O.CON.KAPX.SC.Y.0093.000000T0000Z-261017T0300Z/  
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-  
1021 PM EDT FRI OCT 16 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS  
EVENING...  
 
* WHAT...HIGHEST GUSTS UP TO 30 KTS FROM THE NORTH AND HIGHEST  
WAVES AROUND 5 FEET.  
 
* WHERE...ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING  
BAY.  
 
* WHEN...UNTIL 11 PM EDT 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.  
 
 
 
 
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