735  
FZUS53 KAPX 141850  
NSHAPX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GAYLORD MI  
250 PM EDT THU AUG 14 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.  
 
LSZ321-150300-  
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-  
250 PM EDT THU AUG 14 2025  
   
TONIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY
 
SOUTH WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
FRIDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES 2 FEET OR LESS.    
SATURDAY
 
WEST WIND 5 TO 10 KNOTS. SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. WAVES 2 FEET OR LESS.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LSZ322-150300-  
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-  
250 PM EDT THU AUG 14 2025  
   
TONIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.    
FRIDAY
 
SOUTH WIND 5 TO 10 KNOTS. MOSTLY SUNNY.    
FRIDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY.    
SATURDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS. SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS.  
 
WINDS HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ346-150300-  
ST IGNACE TO FALSE DETOUR CHANNEL-  
250 PM EDT THU AUG 14 2025  
   
TONIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY
 
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
FRIDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
SATURDAY
 
WEST WIND 5 TO 10 KNOTS. SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. WAVES 2 FEET OR LESS.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LMZ341-150300-  
SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-  
250 PM EDT THU AUG 14 2025  
   
TONIGHT
 
SOUTHEAST WIND 10 TO 15 KNOTS BECOMING SOUTH 5 TO  
10 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 2 FEET OR  
LESS.    
FRIDAY
 
SOUTH WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 FEET  
OR LESS.    
FRIDAY NIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS  
AND THUNDERSTORMS. WAVES 2 FEET OR LESS.    
SATURDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS. SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LMZ342-150300-  
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE  
TRAVERSE BAY-  
250 PM EDT THU AUG 14 2025  
   
TONIGHT
 
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO  
15 KNOTS AFTER MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
FRIDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
FRIDAY NIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS  
AND THUNDERSTORMS. WAVES 2 FEET OR LESS.    
SATURDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS. SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LMZ323-150300-  
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO  
NORWOOD MI-  
250 PM EDT THU AUG 14 2025  
   
TONIGHT
 
SOUTHEAST WIND 10 TO 15 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
FRIDAY NIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.  
WAVES 2 FEET OR LESS.    
SATURDAY
 
WEST WIND 5 TO 10 KNOTS. SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. WAVES 2 FEET OR LESS.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LMZ344-345-150300-  
SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-  
POINT BETSIE TO SLEEPING BEAR POINT MI-  
250 PM EDT THU AUG 14 2025  
   
TONIGHT
 
SOUTHEAST WIND 10 TO 15 KNOTS BECOMING SOUTH 5 TO  
10 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 2 FEET OR  
LESS.    
FRIDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
FRIDAY NIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS  
AND THUNDERSTORMS. WAVES 2 FEET OR LESS.    
SATURDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS. SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LMZ346-150300-  
MANISTEE TO POINT BETSIE MI-  
250 PM EDT THU AUG 14 2025  
   
TONIGHT
 
LIGHT WINDS BECOMING SOUTHEAST 5 TO 10 KNOTS AFTER  
MIDNIGHT. MOSTLY CLEAR. WAVES 2 FEET OR LESS.    
FRIDAY
 
SOUTH WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET OR  
LESS.    
FRIDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES  
2 FEET OR LESS.    
SATURDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES 2 FEET OR LESS.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ345-150300-  
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING  
MACKINAC ISLAND-  
250 PM EDT THU AUG 14 2025  
   
TONIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR  
LESS.    
FRIDAY NIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS.  
WAVES 2 FEET OR LESS.    
SATURDAY
 
WEST WIND 5 TO 10 KNOTS. SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. WAVES 2 FEET OR LESS.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ347-150300-  
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING  
BOIS BLANC ISLAND-  
250 PM EDT THU AUG 14 2025  
   
TONIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
FRIDAY
 
SOUTHEAST WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
FRIDAY NIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.  
WAVES 2 FEET OR LESS.    
SATURDAY
 
WEST WIND 5 TO 10 KNOTS. SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS. WAVES 2 FEET OR LESS.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ348-150300-  
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY  
NATIONAL MARINE SANCTUARY-  
250 PM EDT THU AUG 14 2025  
   
TONIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS. PATCHY FOG AFTER  
MIDNIGHT. WAVES 2 FEET OR LESS.    
FRIDAY
 
SOUTH WIND 10 TO 15 KNOTS. SUNNY. WAVES 2 TO 3 FEET.    
FRIDAY NIGHT
 
SOUTH WIND 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES  
2 TO 3 FEET.    
SATURDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS. SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS. WAVES 2 FEET OR LESS.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
LHZ349-150300-  
STURGEON PT TO ALABASTER MI-  
250 PM EDT THU AUG 14 2025  
   
TONIGHT
 
EAST WIND 5 TO 10 KNOTS EARLY IN THE EVENING BECOMING  
VARIABLE 10 KNOTS OR LESS. PATCHY FOG AFTER MIDNIGHT. WAVES  
2 FEET OR LESS.    
FRIDAY
 
SOUTH WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR LESS.    
FRIDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
2 FEET OR LESS.    
SATURDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS. CHANCE OF  
THUNDERSTORMS. WAVES 2 FEET OR LESS.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 

 
 
JLD  
 
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