937  
FZUS53 KGRR 161717  
NSHGRR  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GRAND RAPIDS MI  
116 PM EDT SUN AUG 16 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ849-170800-  
PENTWATER TO MANISTEE MI-  
116 PM EDT SUN AUG 16 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING  
 
   
THROUGH EARLY EVENING  
WEST WINDS 10 TO 15 KNOTS. MOSTLY SUNNY  
WITH A SLIGHT CHANCE OF RAIN SHOWERS. WAVES 1 FOOT OR LESS.    
TONIGHT  
NORTH WINDS 10 TO 20 KNOTS. PARTLY CLOUDY. A SLIGHT  
CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.    
MONDAY  
NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST EARLY IN THE  
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.    
MONDAY NIGHT  
SOUTHWEST WINDS 10 TO 20 KNOTS. PARTLY CLOUDY. WAVES  
2 TO 4 FEET.    
TUESDAY  
SOUTHWEST WINDS 10 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO  
4 FEET.    
TUESDAY NIGHT  
SOUTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH IN THE  
LATE EVENING AND OVERNIGHT. PARTLY CLOUDY WITH A CHANCE OF RAIN  
SHOWERS. WAVES 2 TO 4 FEET.    
WEDNESDAY  
NORTHEAST WINDS AROUND 10 KNOTS BACKING NORTHWEST IN  
THE LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.    
THURSDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS VEERING SOUTHWEST IN THE  
LATE MORNING AND EARLY AFTERNOON, THEN VEERING NORTHWEST 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.    
FRIDAY  
SOUTHWEST WINDS 15 TO 25 KNOTS. MOSTLY SUNNY. WAVES 2 TO  
4 FEET.  
 
 
 
LMZ848-170800-  
WHITEHALL TO PENTWATER MI-  
116 PM EDT SUN AUG 16 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING  
 
   
THROUGH EARLY EVENING  
WEST WINDS 10 TO 15 KNOTS. PARTLY SUNNY  
WITH A SLIGHT CHANCE OF RAIN SHOWERS. WAVES AROUND 1 FOOT.    
TONIGHT  
NORTH WINDS 10 TO 20 KNOTS. PARTLY CLOUDY. A SLIGHT  
CHANCE OF RAIN SHOWERS IN THE EVENING. WAVES 1 TO 2 FEET.    
MONDAY  
NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST EARLY IN THE  
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.    
MONDAY NIGHT  
WEST WINDS AROUND 10 KNOTS BACKING SOUTHWEST 10 TO  
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES  
2 TO 4 FEET.    
TUESDAY  
SOUTHWEST WINDS 15 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO  
4 FEET.    
TUESDAY NIGHT  
SOUTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH AFTER  
MIDNIGHT. PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. WAVES 2 TO  
4 FEET.    
WEDNESDAY  
NORTH WINDS 10 TO 15 KNOTS BACKING NORTHWEST EARLY IN  
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.    
THURSDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS VEERING WEST 10 TO  
15 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.   
FRIDAY  
SOUTH WINDS 10 TO 15 KNOTS VEERING SOUTHWEST 15 TO  
20 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.  
 
 
 
LMZ847-170800-  
GRAND HAVEN TO WHITEHALL MI-  
116 PM EDT SUN AUG 16 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING  
 
   
THROUGH EARLY EVENING  
WEST WINDS 10 TO 15 KNOTS. PARTLY SUNNY.  
WAVES AROUND 1 FOOT.    
TONIGHT  
NORTHWEST WINDS AROUND 15 KNOTS VEERING NORTH IN THE LATE  
EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES AROUND 1 FOOT.    
MONDAY  
NORTH WINDS AROUND 10 KNOTS BACKING NORTHWEST IN THE LATE  
MORNING AND AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.    
MONDAY NIGHT  
WEST WINDS AROUND 10 KNOTS BACKING SOUTHWEST 10 TO  
20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 2 TO  
4 FEET.    
TUESDAY  
SOUTHWEST WINDS AROUND 20 KNOTS. PARTLY SUNNY. WAVES 2 TO  
4 FEET.    
TUESDAY NIGHT  
SOUTHWEST WINDS AROUND 20 KNOTS VEERING WEST IN THE  
LATE EVENING AND EARLY MORNING, THEN VEERING NORTH 10 TO 15 KNOTS  
AFTER MIDNIGHT. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES 2 TO 4 FEET.    
WEDNESDAY  
NORTH WINDS 10 TO 15 KNOTS BACKING NORTHWEST 15 TO  
20 KNOTS EARLY IN THE AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 3 FEET.    
THURSDAY  
SOUTHEAST WINDS AROUND 10 KNOTS VEERING WEST EARLY IN  
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.    
FRIDAY  
SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTHWEST IN THE  
LATE MORNING AND AFTERNOON. MOSTLY SUNNY. WAVES 1 TO 2 FEET.  
 
 
 
LMZ846-170800-  
HOLLAND TO GRAND HAVEN MI-  
116 PM EDT SUN AUG 16 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING  
 
   
THROUGH EARLY EVENING  
WEST WINDS 10 TO 15 KNOTS. PARTLY SUNNY.  
WAVES 1 TO 2 FEET.    
TONIGHT  
NORTHWEST WINDS AROUND 15 KNOTS VEERING NORTH IN THE LATE  
EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.    
MONDAY  
NORTH WINDS 10 TO 15 KNOTS BACKING NORTHWEST EARLY IN THE  
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.    
MONDAY NIGHT  
NORTHWEST WINDS AROUND 10 KNOTS BACKING SOUTHWEST  
10 TO 20 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR.  
WAVES 1 TO 3 FEET.    
TUESDAY  
SOUTHWEST WINDS 15 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO  
4 FEET.    
TUESDAY NIGHT  
SOUTHWEST WINDS 15 TO 20 KNOTS VEERING NORTH 10 TO  
15 KNOTS AFTER MIDNIGHT. RAIN SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS. WAVES 2 TO 4 FEET.    
WEDNESDAY  
NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST EARLY IN  
THE AFTERNOON. PARTLY SUNNY WITH A CHANCE OF RAIN SHOWERS. WAVES  
2 TO 4 FEET.    
THURSDAY  
SOUTHEAST WINDS AROUND 10 KNOTS VEERING WEST EARLY IN  
THE AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.    
FRIDAY  
SOUTHEAST WINDS 10 TO 15 KNOTS VEERING WEST EARLY IN THE  
AFTERNOON. MOSTLY SUNNY. WAVES AROUND 1 FOOT.  
 
 
 
LMZ845-170800-  
SOUTH HAVEN TO HOLLAND MI-  
116 PM EDT SUN AUG 16 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING  
 
   
THROUGH EARLY EVENING  
WEST WINDS 10 TO 15 KNOTS. PARTLY SUNNY.  
WAVES 1 TO 2 FEET.    
TONIGHT  
WEST WINDS 10 TO 15 KNOTS VEERING NORTH IN THE LATE  
EVENING AND OVERNIGHT. PARTLY CLOUDY. WAVES 1 TO 2 FEET.    
MONDAY  
NORTH WINDS 10 TO 15 KNOTS BACKING NORTHWEST EARLY IN THE  
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.    
MONDAY NIGHT  
NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST IN  
THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES 1 TO 2 FEET.    
TUESDAY  
SOUTHWEST WINDS AROUND 15 KNOTS. MOSTLY SUNNY. WAVES 2 TO  
4 FEET.    
TUESDAY NIGHT  
SOUTHWEST WINDS AROUND 15 KNOTS VEERING NORTHWEST  
AFTER MIDNIGHT. RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.  
WAVES 2 TO 4 FEET.    
WEDNESDAY  
NORTH WINDS 10 TO 15 KNOTS BACKING NORTHWEST EARLY IN  
THE AFTERNOON. PARTLY SUNNY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES 2 TO 4 FEET.    
THURSDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS VEERING WEST EARLY IN THE  
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.    
FRIDAY  
SOUTHEAST WINDS AROUND 10 KNOTS VEERING WEST EARLY IN THE  
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.  
 
 
 
LMZ844-170800-  
ST JOSEPH TO SOUTH HAVEN MI-  
116 PM EDT SUN AUG 16 2026  
   
THROUGH EARLY EVENING  
WEST WINDS 10 TO 15 KNOTS. PARTLY SUNNY.  
WAVES 1 TO 2 FEET.    
TONIGHT  
WEST WINDS 10 TO 15 KNOTS VEERING NORTH IN THE LATE  
EVENING AND OVERNIGHT. PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN  
SHOWERS IN THE EVENING. WAVES 1 TO 3 FEET.    
MONDAY  
NORTH WINDS 10 TO 15 KNOTS BACKING NORTHWEST EARLY IN THE  
AFTERNOON. SUNNY. WAVES 1 TO 3 FEET.    
MONDAY NIGHT  
NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST IN  
THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES AROUND 1 FOOT.    
TUESDAY  
SOUTHWEST WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 1 TO  
2 FEET.    
TUESDAY NIGHT  
SOUTHWEST WINDS 10 TO 15 KNOTS VEERING NORTHWEST  
AFTER MIDNIGHT. RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.  
WAVES 1 TO 3 FEET.    
WEDNESDAY  
NORTH WINDS 10 TO 15 KNOTS. PARTLY SUNNY WITH RAIN  
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET.    
THURSDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS VEERING WEST EARLY IN THE  
AFTERNOON. MOSTLY SUNNY. WAVES 1 FOOT OR LESS.    
FRIDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS VEERING SOUTHWEST EARLY IN  
THE AFTERNOON. MOSTLY SUNNY. WAVES LESS THAN 1 FOOT.  
 
 
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