747  
FZUS53 KAPX 311509  
NSHAPX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GAYLORD MI  
1109 AM EDT MON MAR 31 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKES HURON...  
MICHIGAN AND SUPERIOR.  
 
WAVES ARE THE SIGNIFICANT WAVE HEIGHT - THE AVERAGE OF THE HIGHEST  
1/3 OF THE WAVE SPECTRUM. OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF  
THE HIGHEST 1/10 OF THE WAVE SPECTRUM.  
 
LSZ321-312315-  
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-  
1109 AM EDT MON MAR 31 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 10 TO 20 KNOTS. GUSTS TO 25 KNOTS. PARTLY  
SUNNY. WAVES 3 TO 5 FEET.    
TONIGHT
 
NORTH WIND 15 TO 20 KNOTS. PARTLY CLOUDY. WAVES 4 TO  
6 FEET.    
TUESDAY
 
EAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
TUESDAY NIGHT
 
SOUTHEAST WIND 15 TO 20 KNOTS WITH GUSTS TO  
AROUND 35 KNOTS. MOSTLY CLOUDY. WAVES 2 TO 3 FEET.  
 
WAVE HEIGHTS ARE VALID FOR ICE FREE AREAS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LSZ322-312315-  
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-  
1109 AM EDT MON MAR 31 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 10 TO 20 KNOTS. GUSTS TO 25 KNOTS. MOSTLY  
SUNNY.    
TONIGHT
 
NORTH WIND 15 TO 20 KNOTS. MOSTLY CLEAR.    
TUESDAY
 
LIGHT WINDS. MOSTLY SUNNY.    
TUESDAY NIGHT
 
SOUTHEAST WIND 15 TO 20 KNOTS. MOSTLY CLOUDY.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ346-312315-  
ST IGNACE TO FALSE DETOUR CHANNEL-  
1109 AM EDT MON MAR 31 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 10 TO 20 KNOTS. GUSTS TO 25 KNOTS. MOSTLY  
SUNNY. WAVES 2 TO 3 FEET.    
TONIGHT
 
NORTH WIND 15 TO 20 KNOTS. MOSTLY CLEAR. WAVES 2 TO  
3 FEET.    
TUESDAY
 
EAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
TUESDAY NIGHT
 
SOUTHEAST WIND 15 TO 25 KNOTS WITH GUSTS TO  
AROUND 40 KNOTS. MOSTLY CLOUDY. WAVES 5 TO 8 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LMZ341-312315-  
SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-  
1109 AM EDT MON MAR 31 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 10 TO 20 KNOTS. GUSTS TO 25 KNOTS. MOSTLY  
CLOUDY IN THE LATE MORNING THEN BECOMING MOSTLY SUNNY. WAVES 2 TO  
3 FEET.    
TONIGHT
 
NORTH WIND 15 TO 20 KNOTS. MOSTLY CLEAR. WAVES 2 TO  
3 FEET.    
TUESDAY
 
EAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 FEET  
OR LESS.    
TUESDAY NIGHT
 
EAST WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND  
40 KNOTS. MOSTLY CLOUDY. WAVES 4 TO 6 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LMZ342-312315-  
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE  
TRAVERSE BAY-  
1109 AM EDT MON MAR 31 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 10 TO 20 KNOTS. GUSTS TO 25 KNOTS. MOSTLY  
CLOUDY IN THE LATE MORNING THEN BECOMING MOSTLY SUNNY. WAVES 3 TO  
5 FEET.    
TONIGHT
 
NORTH WIND 15 TO 20 KNOTS. MOSTLY CLEAR. WAVES 2 TO  
4 FEET.    
TUESDAY
 
EAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 FEET  
OR LESS.    
TUESDAY NIGHT
 
EAST WIND 15 TO 25 KNOTS. CHANCE OF SNOW  
SHOWERS. WAVES 3 TO 5 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LMZ323-312315-  
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO  
NORWOOD MI-  
1109 AM EDT MON MAR 31 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 10 TO 20 KNOTS. GUSTS TO 25 KNOTS. MOSTLY  
CLOUDY. WAVES 3 TO 5 FEET.    
TONIGHT
 
NORTH WIND 15 TO 20 KNOTS. MOSTLY CLEAR. WAVES 2 TO  
4 FEET.    
TUESDAY
 
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
TUESDAY NIGHT
 
EAST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
40 KNOTS. CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LMZ344-312315-  
SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-  
1109 AM EDT MON MAR 31 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 10 TO 20 KNOTS. GUSTS TO 25 KNOTS. MOSTLY  
CLOUDY IN THE LATE MORNING THEN BECOMING MOSTLY SUNNY. WAVES 3 TO  
5 FEET.    
TONIGHT
 
NORTH WIND 15 TO 20 KNOTS. MOSTLY CLEAR. WAVES 2 TO  
4 FEET.    
TUESDAY
 
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
TUESDAY NIGHT
 
EAST WIND 10 TO 20 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LMZ345-346-312315-  
POINT BETSIE TO SLEEPING BEAR POINT MI-  
MANISTEE TO POINT BETSIE MI-  
1109 AM EDT MON MAR 31 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 10 TO 20 KNOTS. GUSTS TO 25 KNOTS. MOSTLY  
CLOUDY IN THE LATE MORNING THEN BECOMING MOSTLY SUNNY. WAVES 4 TO  
6 FEET SUBSIDING TO 3 TO 5 FEET IN THE AFTERNOON.    
TONIGHT
 
NORTH WIND 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2 TO  
4 FEET.    
TUESDAY
 
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 TO  
3 FEET.    
TUESDAY NIGHT
 
EAST WIND 15 TO 25 KNOTS. MOSTLY CLOUDY. WAVES  
2 TO 3 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ345-312315-  
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING  
MACKINAC ISLAND-  
1109 AM EDT MON MAR 31 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 15 TO 20 KNOTS. GUSTS TO 25 KNOTS. PARTLY  
SUNNY. WAVES 2 TO 3 FEET.    
TONIGHT
 
NORTH WIND 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES 2 TO  
3 FEET.    
TUESDAY
 
EAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
TUESDAY NIGHT
 
SOUTHEAST WIND 15 TO 25 KNOTS WITH GUSTS TO  
AROUND 35 KNOTS. MOSTLY CLOUDY. WAVES 4 TO 6 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ347-312315-  
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING  
BOIS BLANC ISLAND-  
1109 AM EDT MON MAR 31 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 15 TO 25 KNOTS. PARTLY SUNNY. WAVES 4 TO  
6 FEET.    
TONIGHT
 
NORTH WIND 15 TO 25 KNOTS. MOSTLY CLEAR. WAVES 4 TO  
6 FEET.    
TUESDAY
 
EAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR LESS.    
TUESDAY NIGHT
 
SOUTHEAST WIND 15 TO 25 KNOTS. MOSTLY CLOUDY.  
WAVES 5 TO 8 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ348-312315-  
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY  
NATIONAL MARINE SANCTUARY-  
1109 AM EDT MON MAR 31 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 15 TO 25 KNOTS. MOSTLY CLOUDY IN THE LATE  
MORNING THEN BECOMING MOSTLY SUNNY. WAVES 4 TO 7 FEET.    
TONIGHT
 
NORTH WIND 15 TO 25 KNOTS. PARTLY CLOUDY. WAVES 4 TO  
7 FEET.    
TUESDAY
 
NORTHEAST WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 TO  
3 FEET.    
TUESDAY NIGHT
 
EAST WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. MOSTLY CLOUDY. WAVES 5 TO 8 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ349-312315-  
STURGEON PT TO ALABASTER MI-  
1109 AM EDT MON MAR 31 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
 
 
   
TODAY
 
NORTHWEST WIND 15 TO 25 KNOTS. MOSTLY CLOUDY IN THE LATE  
MORNING THEN BECOMING MOSTLY SUNNY. WAVES 2 TO 4 FEET.    
TONIGHT
 
NORTH WIND 10 TO 20 KNOTS. PARTLY CLOUDY. WAVES 2 TO  
4 FEET.    
TUESDAY
 
NORTHEAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES  
2 TO 3 FEET.    
TUESDAY NIGHT
 
EAST WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. MOSTLY CLOUDY. WAVES 4 TO 7 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
MSB  
 
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