421  
FZUS53 KAPX 231423  
NSHAPX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GAYLORD MI  
1023 AM EDT FRI OCT 23 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.  
 
LSZ321-232230-  
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-  
1023 AM EDT FRI OCT 23 2026  
   
TODAY  
SOUTHEAST WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES  
2 FEET OR LESS.    
TONIGHT  
SOUTHEAST WIND 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES  
2 TO 3 FEET.    
SATURDAY  
SOUTH WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET  
OR LESS.    
SATURDAY NIGHT  
SOUTH WIND 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES  
2 FEET OR LESS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LSZ322-232230-  
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-  
1023 AM EDT FRI OCT 23 2026  
   
TODAY  
SOUTHEAST WIND 10 TO 15 KNOTS. PATCHY FOG IN THE LATE  
MORNING.    
TONIGHT  
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.    
SATURDAY  
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY.    
SATURDAY NIGHT  
SOUTH WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ341-232230-  
SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-  
1023 AM EDT FRI OCT 23 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL NOON EDT TODAY  
 
   
TODAY  
SOUTHEAST WIND 10 TO 15 KNOTS. AREAS OF DENSE FOG. WAVES  
2 FEET OR LESS.    
TONIGHT  
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
SATURDAY  
SOUTH WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 TO  
4 FEET.    
SATURDAY NIGHT  
SOUTH WIND 10 TO 20 KNOTS. MOSTLY CLOUDY. WAVES  
3 TO 5 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ342-232230-  
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE  
TRAVERSE BAY-  
1023 AM EDT FRI OCT 23 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL NOON EDT TODAY  
 
   
TODAY  
SOUTH WIND 5 TO 10 KNOTS IN THE LATE MORNING BECOMING  
VARIABLE 10 KNOTS OR LESS, THEN BECOMING NORTHEAST 5 TO 10 KNOTS  
EARLY IN THE EVENING. PATCHY DENSE FOG IN THE LATE MORNING. WAVES  
2 FEET OR LESS.    
TONIGHT  
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET  
OR LESS.    
SATURDAY  
SOUTH WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET  
OR LESS.    
SATURDAY NIGHT  
SOUTH WIND 15 TO 20 KNOTS. MOSTLY CLOUDY. WAVES  
2 TO 3 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ323-232230-  
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO  
NORWOOD MI-  
1023 AM EDT FRI OCT 23 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL NOON EDT TODAY  
 
   
TODAY  
SOUTH WIND 5 TO 10 KNOTS IN THE AFTERNOON BECOMING  
VARIABLE 10 KNOTS OR LESS. SUNNY. WAVES 2 FEET OR LESS.    
TONIGHT  
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
SATURDAY  
SOUTH WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES 2 FEET  
OR LESS.    
SATURDAY NIGHT  
SOUTH WIND 5 TO 10 KNOTS. MOSTLY CLOUDY. WAVES  
2 FEET OR LESS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ344-345-232230-  
SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-  
POINT BETSIE TO SLEEPING BEAR POINT MI-  
1023 AM EDT FRI OCT 23 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL NOON EDT TODAY  
 
   
TODAY  
SOUTH WIND 5 TO 10 KNOTS. PATCHY DENSE FOG IN THE LATE  
MORNING. WAVES 2 FEET OR LESS.    
TONIGHT  
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
SATURDAY  
SOUTH WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 FEET  
OR LESS.    
SATURDAY NIGHT  
SOUTH WIND 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES  
2 TO 3 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ346-232230-  
MANISTEE TO POINT BETSIE MI-  
1023 AM EDT FRI OCT 23 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL NOON EDT TODAY  
 
   
TODAY  
SOUTH WIND 5 TO 10 KNOTS. SUNNY. WAVES 2 FEET OR LESS.    
TONIGHT  
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
SATURDAY  
SOUTH WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 2 TO  
3 FEET.    
SATURDAY NIGHT  
SOUTH WIND 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES  
2 TO 3 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ345-232230-  
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING  
MACKINAC ISLAND-  
1023 AM EDT FRI OCT 23 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL NOON EDT TODAY  
 
   
TODAY  
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING EAST IN THE  
AFTERNOON. PATCHY DENSE FOG IN THE LATE MORNING. WAVES 2 FEET OR  
LESS.    
TONIGHT  
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
SATURDAY  
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY SUNNY. WAVES  
2 FEET OR LESS.    
SATURDAY NIGHT  
SOUTH WIND 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES  
2 FEET OR LESS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ346-232230-  
ST IGNACE TO FALSE DETOUR CHANNEL-  
1023 AM EDT FRI OCT 23 2026  
   
TODAY  
EAST WIND 5 TO 10 KNOTS. AREAS OF DENSE FOG IN THE LATE  
MORNING. PATCHY FOG IN THE AFTERNOON. WAVES 2 FEET OR LESS.    
TONIGHT  
SOUTHEAST WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
2 FEET OR LESS.    
SATURDAY  
SOUTHEAST WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES  
2 FEET OR LESS.    
SATURDAY NIGHT  
SOUTH WIND 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES  
2 TO 3 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ347-232230-  
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING  
BOIS BLANC ISLAND-  
1023 AM EDT FRI OCT 23 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL NOON EDT TODAY  
 
   
TODAY  
SOUTHEAST WIND 10 TO 15 KNOTS. WIDESPREAD DENSE FOG IN  
THE LATE MORNING. AREAS OF DENSE FOG IN THE AFTERNOON. WAVES  
2 FEET OR LESS.    
TONIGHT  
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET  
OR LESS.    
SATURDAY  
SOUTH WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 FEET  
OR LESS.    
SATURDAY NIGHT  
SOUTH WIND 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES  
2 FEET OR LESS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ348-232230-  
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY  
NATIONAL MARINE SANCTUARY-  
1023 AM EDT FRI OCT 23 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL NOON EDT TODAY  
 
   
TODAY  
SOUTHEAST WIND 10 TO 15 KNOTS. AREAS OF DENSE FOG. WAVES  
2 FEET OR LESS.    
TONIGHT  
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET  
OR LESS.    
SATURDAY  
SOUTH WIND 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 2 TO  
3 FEET.    
SATURDAY NIGHT  
SOUTH WIND 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES  
2 TO 3 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ349-232230-  
STURGEON PT TO ALABASTER MI-  
1023 AM EDT FRI OCT 23 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL NOON EDT TODAY  
 
   
TODAY  
LIGHT WINDS BECOMING SOUTHEAST 5 TO 10 KNOTS IN THE  
AFTERNOON. MOSTLY SUNNY. WAVES 2 FEET OR LESS.    
TONIGHT  
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES 2 FEET  
OR LESS.    
SATURDAY  
SOUTH WIND 5 TO 10 KNOTS. MOSTLY SUNNY. WAVES 2 FEET  
OR LESS.    
SATURDAY NIGHT  
SOUTH WIND 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES  
2 TO 3 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
JLD  
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