262  
WHUS73 KAPX 020205  
MWWAPX  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE GAYLORD MI  
1005 PM EDT TUE APR 1 2025  
 
LMZ323-341-342-344>346-021015-  
/O.CON.KAPX.GL.W.0015.250402T1500Z-250403T0000Z/  
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-  
1005 PM EDT TUE APR 1 2025  
 
...GALE WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT  
WEDNESDAY...  
 
* WHAT...HIGHEST GUSTS UP TO 35 KTS FROM THE SOUTHEAST AND  
HIGHEST WAVES AROUND 9 FEET EXPECTED.  
 
* WHERE...PORTIONS OF LAKE MICHIGAN.  
 
* WHEN...FROM 11 AM TO 8 PM EDT WEDNESDAY.  
 
* 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.  
 
 
 
 
 
LSZ321-322-021015-  
/O.CON.KAPX.GL.W.0015.250402T1500Z-250403T0300Z/  
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-  
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-  
1005 PM EDT TUE APR 1 2025  
 
...GALE WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM EDT  
WEDNESDAY...  
 
* WHAT...HIGHEST GUSTS UP TO 40 KTS FROM THE SOUTHEAST AND  
HIGHEST WAVES AROUND 6 FEET EXPECTED.  
 
* WHERE...WHITEFISH BAY (U. S. PORTION)/WHITEFISH POINT TO POINT  
IROQUOIS MI AND ST. MARYS RIVER POINT IROQUOIS TO E.  
POTAGANNISSING BAY.  
 
* WHEN...FROM 11 AM TO 11 PM EDT WEDNESDAY.  
 
* 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.  
 
 
 
 
 
LHZ345>349-021015-  
/O.CON.KAPX.GL.W.0015.250402T1500Z-250403T0300Z/  
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-  
1005 PM EDT TUE APR 1 2025  
 
...GALE WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM EDT  
WEDNESDAY...  
 
* WHAT...HIGHEST GUSTS UP TO 40 KTS FROM THE SOUTHEAST AND  
HIGHEST WAVES AROUND 14 FEET EXPECTED.  
 
* 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...FROM 11 AM TO 11 PM EDT WEDNESDAY.  
 
* 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.  
 
 
 
 
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