098  
FZUS53 KAPX 041515  
NSHAPX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GAYLORD MI  
1115 AM EDT THU SEP 4 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.  
 
LSZ321-042315-  
WHITEFISH BAY (U.S. PORTION)/WHITEFISH POINT TO POINT IROQUOIS MI-  
1115 AM EDT THU SEP 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE  
FRIDAY NIGHT...  
   
TODAY  
SOUTHWEST WIND 10 TO 15 KNOTS. CHANCE OF WATERSPOUTS IN  
THE LATE MORNING. SLIGHT CHANCE OF WATERSPOUTS IN THE AFTERNOON.  
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE  
DAY. WAVES 4 TO 6 FEET.    
TONIGHT  
SOUTH WIND 15 TO 20 KNOTS. RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. WAVES 3 TO 5 FEET.    
FRIDAY  
WEST WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND 35 KNOTS.  
RAIN SHOWERS. WAVES 6 TO 9 FEET.    
FRIDAY NIGHT  
WEST WIND 10 TO 20 KNOTS. CHANCE OF SHOWERS.  
WAVES 5 TO 8 FEET.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LSZ322-042315-  
ST. MARYS RIVER POINT IROQUOIS TO E. POTAGANNISSING BAY-  
1115 AM EDT THU SEP 4 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE  
FRIDAY NIGHT...  
   
TODAY  
SOUTHWEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF  
WATERSPOUTS THROUGH THE DAY. CHANCE OF SHOWERS THROUGH THE DAY.    
TONIGHT  
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. CHANCE OF SHOWERS.    
FRIDAY  
SOUTHWEST WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS.    
FRIDAY NIGHT  
WEST WIND 10 TO 15 KNOTS. CHANCE OF SHOWERS.  
 
WINDS HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ346-042315-  
ST IGNACE TO FALSE DETOUR CHANNEL-  
1115 AM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY  
AFTERNOON...  
   
TODAY  
WEST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF WATERSPOUTS  
THROUGH THE DAY. SLIGHT CHANCE OF SHOWERS IN THE LATE MORNING.  
CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET.    
TONIGHT  
SOUTH WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. CHANCE OF SHOWERS. WAVES 3 TO 5 FEET.    
FRIDAY  
SOUTHWEST WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND  
40 KNOTS. RAIN SHOWERS LIKELY. WAVES 5 TO 8 FEET.    
FRIDAY NIGHT  
WEST WIND 10 TO 20 KNOTS. CHANCE OF SHOWERS.  
WAVES 3 TO 5 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ341-042315-  
SEUL CHOIX POINT TO 5NM WEST OF MACKINAC BRIDGE-  
1115 AM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY  
MORNING...  
   
TODAY  
WEST WIND 15 TO 20 KNOTS. SLIGHT CHANCE OF WATERSPOUTS  
THROUGH THE DAY. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES  
2 TO 4 FEET.    
TONIGHT  
SOUTHWEST WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. SLIGHT CHANCE OF WATERSPOUTS. SHOWERS AND A CHANCE OF  
THUNDERSTORMS. WAVES 5 TO 8 FEET.    
FRIDAY  
WEST WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND 35 KNOTS.  
CHANCE OF WATERSPOUTS. CHANCE OF SHOWERS. WAVES 7 TO 10 FEET.    
FRIDAY NIGHT  
WEST WIND 10 TO 20 KNOTS. PARTLY CLOUDY. WAVES  
3 TO 5 FEET.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ342-042315-  
NORWOOD MI TO 5NM WEST OF MACKINAC BRIDGE INCLUDING LITTLE  
TRAVERSE BAY-  
1115 AM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY  
MORNING...  
   
TODAY  
WEST WIND 15 TO 20 KNOTS. SLIGHT CHANCE OF WATERSPOUTS  
IN THE LATE MORNING, THEN CHANCE OF WATERSPOUTS IN THE AFTERNOON.  
CHANCE OF SHOWERS IN THE LATE MORNING, THEN SLIGHT CHANCE OF  
SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET.    
TONIGHT  
SOUTH WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND  
40 KNOTS. SLIGHT CHANCE OF WATERSPOUTS. CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 3 TO 5 FEET.    
FRIDAY  
WEST WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND 40 KNOTS.  
RAIN SHOWERS. WAVES 5 TO 8 FEET.    
FRIDAY NIGHT  
WEST WIND 10 TO 20 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. CHANCE OF SHOWERS. WAVES 4 TO 7 FEET.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ323-042315-  
GRAND TRAVERSE BAY SOUTH OF A LINE GRAND TRAVERSE LIGHT TO  
NORWOOD MI-  
1115 AM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY  
MORNING...  
   
TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. CHANCE OF SHOWERS IN THE  
LATE MORNING. SLIGHT CHANCE OF WATERSPOUTS THROUGH THE DAY. WAVES  
2 TO 3 FEET.    
TONIGHT  
SOUTH WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. SLIGHT CHANCE OF WATERSPOUTS. SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. WAVES 3 TO 5 FEET.    
FRIDAY  
WEST WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND 40 KNOTS.  
CHANCE OF SHOWERS. WAVES 4 TO 6 FEET.    
FRIDAY NIGHT  
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. MOSTLY CLOUDY. WAVES 3 TO 5 FEET.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ344-345-042315-  
SLEEPING BEAR POINT TO GRAND TRAVERSE LIGHT MI-  
POINT BETSIE TO SLEEPING BEAR POINT MI-  
1115 AM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY  
MORNING...  
   
TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. CHANCE OF SHOWERS IN THE  
LATE MORNING. SLIGHT CHANCE OF WATERSPOUTS THROUGH THE DAY. WAVES  
2 TO 4 FEET.    
TONIGHT  
SOUTH WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND  
40 KNOTS. SLIGHT CHANCE OF WATERSPOUTS. SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. WAVES 7 TO 10 FEET.    
FRIDAY  
WEST WIND UP TO 30 KNOTS WITH GUSTS TO AROUND 40 KNOTS.  
CHANCE OF WATERSPOUTS. SHOWERS LIKELY. WAVES 9 TO 12 FEET.    
FRIDAY NIGHT  
WEST WIND 10 TO 20 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. MOSTLY CLOUDY. WAVES 4 TO 6 FEET.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LMZ346-042315-  
MANISTEE TO POINT BETSIE MI-  
1115 AM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY  
MORNING...  
   
TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO  
4 FEET.    
TONIGHT  
SOUTHWEST WIND UP TO 30 KNOTS WITH GUSTS TO AROUND  
40 KNOTS. SLIGHT CHANCE OF WATERSPOUTS. SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. WAVES 8 TO 11 FEET.    
FRIDAY  
WEST WIND UP TO 30 KNOTS WITH GUSTS TO AROUND 40 KNOTS.  
MOSTLY CLOUDY. WAVES 9 TO 12 FEET.    
FRIDAY NIGHT  
WEST WIND 10 TO 20 KNOTS. MOSTLY CLOUDY. WAVES  
4 TO 7 FEET.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ345-042315-  
STRAITS OF MACKINAC WITHIN 5 NM OF MACKINAC BRIDGE INCLUDING  
MACKINAC ISLAND-  
1115 AM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY  
AFTERNOON...  
   
TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. SLIGHT CHANCE OF  
WATERSPOUTS IN THE LATE MORNING, THEN CHANCE OF WATERSPOUTS IN  
THE AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE LATE MORNING, THEN  
CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FEET.    
TONIGHT  
SOUTH WIND 10 TO 20 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. SLIGHT CHANCE OF WATERSPOUTS. SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. WAVES 2 TO 3 FEET.    
FRIDAY  
WEST WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND 35 KNOTS.  
RAIN SHOWERS LIKELY. WAVES 4 TO 6 FEET.    
FRIDAY NIGHT  
WEST WIND 10 TO 20 KNOTS. CHANCE OF SHOWERS.  
WAVES 2 TO 4 FEET.  
 
WINDS AND WAVES HIGHER IN THE VICINITY OF THUNDERSTORMS.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ347-042315-  
5NM EAST OF MACKINAC BRIDGE TO PRESQUE ISLE LIGHT MI INCLUDING  
BOIS BLANC ISLAND-  
1115 AM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY  
AFTERNOON...  
   
TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. SLIGHT CHANCE OF  
WATERSPOUTS IN THE LATE MORNING. CHANCE OF WATERSPOUTS IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS THROUGH THE DAY. WAVES 2 TO  
3 FEET.    
TONIGHT  
SOUTH WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. SLIGHT CHANCE OF WATERSPOUTS. SHOWERS LIKELY. WAVES  
2 TO 4 FEET.    
FRIDAY  
SOUTHWEST WIND UP TO 30 KNOTS WITH GUSTS TO AROUND  
40 KNOTS. CHANCE OF WATERSPOUTS. SHOWERS LIKELY. WAVES 4 TO  
7 FEET.    
FRIDAY NIGHT  
WEST WIND 10 TO 20 KNOTS. CHANCE OF SHOWERS.  
WAVES 3 TO 5 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ348-042315-  
PRESQUE ISLE LIGHT TO STURGEON PT MI INCLUDING THUNDER BAY  
NATIONAL MARINE SANCTUARY-  
1115 AM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY  
AFTERNOON...  
   
TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
TONIGHT  
SOUTHWEST WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND  
35 KNOTS. SLIGHT CHANCE OF WATERSPOUTS. CHANCE OF SHOWERS. WAVES  
4 TO 6 FEET.    
FRIDAY  
SOUTHWEST WIND UP TO 30 KNOTS WITH GUSTS TO AROUND  
40 KNOTS. CHANCE OF SHOWERS. WAVES 7 TO 10 FEET.    
FRIDAY NIGHT  
SOUTHWEST WIND 10 TO 20 KNOTS. PARTLY CLOUDY.  
WAVES 3 TO 5 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
LHZ349-042315-  
STURGEON PT TO ALABASTER MI-  
1115 AM EDT THU SEP 4 2025  
 
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY  
AFTERNOON...  
   
TODAY  
SOUTHWEST WIND 15 TO 20 KNOTS. MOSTLY SUNNY. WAVES  
2 FEET OR LESS.    
TONIGHT  
SOUTHWEST WIND 15 TO 25 KNOTS WITH GUSTS TO AROUND  
40 KNOTS. CHANCE OF SHOWERS. WAVES 4 TO 6 FEET.    
FRIDAY  
SOUTHWEST WIND UP TO 30 KNOTS WITH GUSTS TO AROUND  
40 KNOTS. PARTLY SUNNY. WAVES 4 TO 7 FEET.    
FRIDAY NIGHT  
WEST WIND 10 TO 20 KNOTS. PARTLY CLOUDY. WAVES  
2 TO 3 FEET.  
 
SEE THE OPEN LAKES FORECAST FOR DAYS 3 THROUGH 5.  
 
 
 
JLD  
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