758  
FZUS53 KAPX 211850  
NSHAPX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GAYLORD MI  
250 PM EDT TUE APR 21 2026  
 
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.  
 
LSZ321-220300-  
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-  
250 PM EDT TUE APR 21 2026  
   
TONIGHT  
NORTHWEST WIND 5 TO 10 KNOTS EARLY IN THE EVENING  
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 2 FEET OR  
LESS.    
WEDNESDAY  
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT  
SOUTHEAST WIND 10 TO 15 KNOTS. PARTLY CLOUDY.  
WAVES 2 FEET OR LESS.    
THURSDAY  
SOUTHEAST WIND 10 TO 20 KNOTS. PARTLY SUNNY. WAVES  
2 TO 3 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LSZ322-220300-  
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-  
250 PM EDT TUE APR 21 2026  
   
TONIGHT  
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.    
WEDNESDAY  
LIGHT WINDS. SUNNY.   
WEDNESDAY NIGHT  
EAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.    
THURSDAY  
EAST WIND 15 TO 20 KNOTS. PARTLY SUNNY.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ341-220300-  
SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-  
250 PM EDT TUE APR 21 2026  
   
TONIGHT  
NORTHWEST WIND 5 TO 10 KNOTS EARLY IN THE EVENING  
BECOMING VARIABLE 10 KNOTS OR LESS. MOSTLY CLEAR. WAVES 2 FEET OR  
LESS.    
WEDNESDAY  
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT  
EAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
THURSDAY  
EAST WIND 10 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO  
3 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ342-220300-  
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE  
TRAVERSE BAY-  
250 PM EDT TUE APR 21 2026  
   
TONIGHT  
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
WEDNESDAY  
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT  
EAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
THURSDAY  
EAST WIND 15 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 FEET  
OR LESS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ323-220300-  
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO  
NORWOOD MI-  
250 PM EDT TUE APR 21 2026  
   
TONIGHT  
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
WEDNESDAY  
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT  
EAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
THURSDAY  
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ344-220300-  
SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-  
250 PM EDT TUE APR 21 2026  
   
TONIGHT  
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
WEDNESDAY  
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT  
EAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
THURSDAY  
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES  
2 FEET OR LESS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ345-220300-  
POINT BETSIE TO SLEEPING BEAR POINT MI-  
250 PM EDT TUE APR 21 2026  
   
TONIGHT  
LIGHT WINDS. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
WEDNESDAY  
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT  
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.  
WAVES 2 FEET OR LESS.    
THURSDAY  
SOUTH WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 2 FEET  
OR LESS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ346-220300-  
MANISTEE TO POINT BETSIE MI-  
250 PM EDT TUE APR 21 2026  
   
TONIGHT  
NORTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
WEDNESDAY  
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT  
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.  
WAVES 2 FEET OR LESS.    
THURSDAY  
SOUTH WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 2 FEET  
OR LESS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ345-220300-  
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING  
MACKINAC ISLAND-  
250 PM EDT TUE APR 21 2026  
   
TONIGHT  
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET  
OR LESS.    
WEDNESDAY  
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT  
EAST WIND 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
THURSDAY  
EAST WIND 10 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO  
4 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ346-220300-  
ST IGNACE TO FALSE DETOUR CHANNEL-  
250 PM EDT TUE APR 21 2026  
   
TONIGHT  
NORTHWEST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER  
MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
WEDNESDAY  
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT  
EAST WIND 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
THURSDAY  
EAST WIND 15 TO 25 KNOTS. PARTLY SUNNY. WAVES 2 TO  
4 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ347-220300-  
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING  
BOIS BLANC ISLAND-  
250 PM EDT TUE APR 21 2026  
   
TONIGHT  
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
WEDNESDAY  
LIGHT WINDS. SUNNY. WAVES 2 FEET OR LESS.    
WEDNESDAY NIGHT  
SOUTHEAST WIND 10 TO 15 KNOTS. MOSTLY CLEAR.  
WAVES 2 FEET OR LESS.    
THURSDAY  
EAST WIND 15 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO  
4 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ348-220300-  
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY  
NATIONAL MARINE SANCTUARY-  
250 PM EDT TUE APR 21 2026  
   
TONIGHT  
NORTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 TO  
3 FEET.    
WEDNESDAY  
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR  
LESS.    
WEDNESDAY NIGHT  
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.  
WAVES 2 FEET OR LESS.    
THURSDAY  
EAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 TO  
3 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ349-220300-  
STURGEON PT TO ALABASTER MI-  
250 PM EDT TUE APR 21 2026  
   
TONIGHT  
NORTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES 2 FEET  
OR LESS.    
WEDNESDAY  
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR  
LESS.    
WEDNESDAY NIGHT  
EAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
THURSDAY  
EAST WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 FEET  
OR LESS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
DJC  
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