629
FZUS53 KGRR 230418
NSHGRR
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
1218 AM EDT FRI OCT 23 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ849-230800-
PENTWATER TO MANISTEE MI-
1218 AM EDT FRI OCT 23 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
REST OF TONIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS. PARTLY CLOUDY.
PATCHY DENSE FOG. WAVES LESS THAN 1 FOOT.
FRIDAY
SOUTHEAST WINDS 10 TO 15 KNOTS VEERING SOUTH EARLY IN THE
AFTERNOON. SUNNY. PATCHY DENSE FOG. WAVES AROUND 1 FOOT.
FRIDAY NIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS. PARTLY CLOUDY. WAVES
AROUND 1 FOOT.
SATURDAY
SOUTH WINDS 10 TO 20 KNOTS. PARTLY SUNNY. WAVES 1 TO
3 FEET BUILDING TO 2 TO 4 FEET EARLY IN THE AFTERNOON.
SATURDAY NIGHT
SOUTH WINDS 10 TO 20 KNOTS. PARTLY CLOUDY. WAVES
2 TO 4 FEET.
SUNDAY
SOUTH WINDS 10 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO
4 FEET.
MONDAY
NORTHEAST WINDS 10 TO 20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO
3 FEET.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES AROUND
1 FOOT.
LMZ848-230800-
WHITEHALL TO PENTWATER MI-
1218 AM EDT FRI OCT 23 2026
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING
REST OF TONIGHT
EAST WINDS 5 TO 15 KNOTS. PARTLY CLOUDY. PATCHY
DENSE FOG. WAVES LESS THAN 1 FOOT.
FRIDAY
SOUTHEAST WINDS 10 TO 15 KNOTS VEERING SOUTH EARLY IN THE
AFTERNOON. SUNNY. PATCHY DENSE FOG. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS. PARTLY CLOUDY. WAVES
AROUND 1 FOOT.
SATURDAY
SOUTH WINDS 10 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO
4 FEET.
SATURDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS. PARTLY CLOUDY. WAVES
2 TO 4 FEET.
SUNDAY
SOUTH WINDS 10 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO
4 FEET.
MONDAY
NORTHEAST WINDS 10 TO 20 KNOTS. MOSTLY CLOUDY. WAVES 1 TO
2 FEET.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES AROUND
1 FOOT.
LMZ847-230800-
GRAND HAVEN TO WHITEHALL MI-
1218 AM EDT FRI OCT 23 2026
REST OF TONIGHT
EAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. PATCHY
FOG. WAVES LESS THAN 1 FOOT.
FRIDAY
SOUTHEAST WINDS 10 TO 15 KNOTS VEERING SOUTH 5 TO 10 KNOTS
EARLY IN THE AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
SATURDAY
SOUTH WINDS 10 TO 20 KNOTS. PARTLY SUNNY. WAVES 1 TO
3 FEET.
SATURDAY NIGHT
SOUTH WINDS 10 TO 20 KNOTS. PARTLY CLOUDY. WAVES
2 TO 4 FEET.
SUNDAY
SOUTH WINDS 10 TO 20 KNOTS. PARTLY SUNNY. WAVES 2 TO
4 FEET.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES
AROUND 1 FOOT.
TUESDAY
EAST WINDS 10 TO 20 KNOTS. MOSTLY CLOUDY. WAVES AROUND
1 FOOT.
LMZ846-230800-
HOLLAND TO GRAND HAVEN MI-
1218 AM EDT FRI OCT 23 2026
REST OF TONIGHT
EAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. PATCHY
FOG. WAVES LESS THAN 1 FOOT.
FRIDAY
SOUTHEAST WINDS 5 TO 10 KNOTS VEERING SOUTH EARLY IN THE
AFTERNOON. SUNNY. WAVES 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTHEAST WINDS 5 TO 15 KNOTS. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
SATURDAY
SOUTH WINDS 5 TO 15 KNOTS. PARTLY SUNNY. WAVES AROUND
1 FOOT.
SATURDAY NIGHT
SOUTH WINDS 5 TO 15 KNOTS. PARTLY CLOUDY. WAVES
1 TO 2 FEET.
SUNDAY
SOUTH WINDS 10 TO 15 KNOTS. MOSTLY SUNNY. WAVES 1 TO
3 FEET.
MONDAY
NORTHEAST WINDS 5 TO 15 KNOTS. PARTLY SUNNY. WAVES AROUND
1 FOOT.
TUESDAY
EAST WINDS 10 TO 20 KNOTS. MOSTLY CLOUDY. WAVES AROUND
1 FOOT.
LMZ845-230800-
SOUTH HAVEN TO HOLLAND MI-
1218 AM EDT FRI OCT 23 2026
REST OF TONIGHT
EAST WINDS 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES
CALM.
FRIDAY
SOUTHEAST WINDS 5 TO 10 KNOTS VEERING SOUTHWEST EARLY IN
THE AFTERNOON. SUNNY. WAVES LESS THAN 1 FOOT.
FRIDAY NIGHT
EAST WINDS AROUND 5 KNOTS VEERING SOUTHEAST 5 TO
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
SATURDAY
SOUTH WINDS 5 TO 15 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
SATURDAY NIGHT
SOUTH WINDS 5 TO 15 KNOTS. PARTLY CLOUDY. WAVES
AROUND 1 FOOT.
SUNDAY
SOUTH WINDS 5 TO 15 KNOTS. MOSTLY SUNNY. WAVES AROUND
1 FOOT.
MONDAY
NORTHEAST WINDS 5 TO 10 KNOTS BACKING NORTH EARLY IN THE
AFTERNOON. PARTLY SUNNY. WAVES AROUND 1 FOOT.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES AROUND
1 FOOT.
LMZ844-230800-
ST JOSEPH TO SOUTH HAVEN MI-
1218 AM EDT FRI OCT 23 2026
REST OF TONIGHT
EAST WINDS 5 TO 10 KNOTS. CLEAR. WAVES CALM.
FRIDAY
SOUTHEAST WINDS 5 TO 10 KNOTS BACKING NORTHEAST EARLY IN
THE AFTERNOON. SUNNY. WAVES LESS THAN 1 FOOT.
FRIDAY NIGHT
EAST WINDS AROUND 5 KNOTS VEERING SOUTHEAST 5 TO
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR. WAVES
1 FOOT OR LESS.
SATURDAY
SOUTH WINDS 5 TO 15 KNOTS. PARTLY SUNNY. WAVES 1 FOOT OR
LESS.
SATURDAY NIGHT
SOUTH WINDS 5 TO 15 KNOTS. PARTLY CLOUDY. WAVES
1 FOOT OR LESS.
SUNDAY
SOUTH WINDS 5 TO 15 KNOTS. MOSTLY SUNNY. WAVES 1 FOOT OR
LESS.
MONDAY
EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST IN THE LATE
MORNING AND AFTERNOON. PARTLY SUNNY. WAVES AROUND 1 FOOT.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. MOSTLY CLOUDY. WAVES AROUND
1 FOOT.
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