National Weather Service Marine Forecast FZUS53 KGRR

FZUS53 KGRR 181103
NSHGRR

Nearshore Marine Forecast
National Weather Service Grand Rapids MI
703 AM EDT Sun Oct 18 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ849-182000
Pentwater to Manistee MI
703 AM EDT Sun Oct 18 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

TODAY
Southwest gales to 35 knots. Sunny. Waves 8 to 12 feet.

TONIGHT
Southwest gales to 35 knots decreasing to 30 knots in the late evening and overnight. Mostly clear. Waves 7 to 11 feet.

MONDAY
Southwest winds 10 to 20 knots decreasing to 5 to 10 knots early in the afternoon. Sunny. Waves 4 to 6 feet subsiding to 1 to 3 feet early in the afternoon.

MONDAY NIGHT
Southwest winds around 5 knots backing southeast in the late evening and overnight. Mostly clear. Waves around 1 foot.

TUESDAY
Southeast winds 5 to 10 knots veering southwest early in the afternoon. Sunny. Waves less than 1 foot.

WEDNESDAY
South winds 10 to 15 knots veering southwest early in the afternoon. Sunny. Waves around 1 foot.

THURSDAY
Southeast winds 5 to 10 knots veering northwest early in the afternoon. Mostly sunny. Waves 1 foot or less.

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LMZ848-182000
Whitehall to Pentwater MI
703 AM EDT Sun Oct 18 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

TODAY
Southwest gales to 40 knots. Sunny. Waves 8 to 12 feet.

TONIGHT
South gales to 35 knots veering southwest to 30 knots in the late evening and overnight. Mostly clear. Waves 7 to 11 feet.

MONDAY
Southwest winds 10 to 20 knots decreasing to 5 to 10 knots early in the afternoon. Sunny. Waves 4 to 6 feet subsiding to 1 to 3 feet early in the afternoon.

MONDAY NIGHT
South winds around 5 knots backing east after midnight. Mostly clear. Waves around 1 foot.

TUESDAY
Southeast winds 5 to 10 knots veering south early in the afternoon. Sunny. Waves less than 1 foot.

WEDNESDAY
South winds 10 to 15 knots. Sunny. Waves around 1 foot.

THURSDAY
Southeast winds 5 to 10 knots veering west early in the afternoon. Mostly sunny. Waves less than 1 foot.

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LMZ847-182000
Grand Haven to Whitehall MI
703 AM EDT Sun Oct 18 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

TODAY
Southwest gales to 35 knots. Sunny. Waves 7 to 11 feet.

TONIGHT
South gales to 35 knots veering southwest to 30 knots in the late evening and overnight. Clear. Waves 7 to 10 feet.

MONDAY
Southwest winds 10 to 20 knots decreasing to 5 to 10 knots early in the afternoon. Sunny. Waves 4 to 6 feet subsiding to 1 to 3 feet early in the afternoon.

MONDAY NIGHT
Southwest winds around 5 knots backing east in the late evening and overnight. Mostly clear. Waves around 1 foot.

TUESDAY
East winds 5 to 10 knots veering south early in the afternoon. Sunny. Waves less than 1 foot.

WEDNESDAY
South winds 10 to 15 knots decreasing to 5 to 10 knots early in the afternoon. Sunny. Waves 1 foot or less.

THURSDAY
Southeast winds 5 to 10 knots veering west early in the afternoon. Mostly sunny. Waves less than 1 foot.

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LMZ846-182000
Holland to Grand Haven MI
703 AM EDT Sun Oct 18 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

TODAY
Southwest winds to 30 knots becoming gales to 35 knots in the late morning and early afternoon, then decreasing to 30 knots early in the afternoon. Sunny. Waves 6 to 9 feet.

TONIGHT
Southwest winds to 30 knots. Mostly clear. Waves 6 to 8 feet.

MONDAY
Southwest winds 10 to 20 knots decreasing to 5 to 10 knots early in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the afternoon.

MONDAY NIGHT
Southwest winds around 5 knots backing east in the late evening and overnight. Mostly clear. Waves around 1 foot.

TUESDAY
East winds 5 to 10 knots. Sunny. Waves less than 1 foot.

WEDNESDAY
South winds around 10 knots veering southwest early in the afternoon. Sunny. Waves 1 foot or less.

THURSDAY
Southeast winds 5 to 10 knots veering west early in the afternoon. Mostly sunny. Waves less than 1 foot.

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LMZ845-182000
South Haven to Holland MI
703 AM EDT Sun Oct 18 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

TODAY
Southwest winds to 30 knots. Sunny. Waves 5 to 7 feet.

TONIGHT
Southwest winds 15 to 25 knots. Clear. Waves 4 to 6 feet.

MONDAY
Southwest winds 10 to 20 knots decreasing to 5 to 10 knots early in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late morning and afternoon.

MONDAY NIGHT
Northwest winds around 5 knots veering east in the late evening and overnight. Mostly clear. Waves around 1 foot.

TUESDAY
East winds 5 to 10 knots backing north early in the afternoon. Sunny. Waves less than 1 foot.

WEDNESDAY
South winds 5 to 10 knots veering southwest early in the afternoon. Sunny. Waves less than 1 foot.

THURSDAY
South winds around 5 knots veering west early in the afternoon. Mostly sunny. Waves less than 1 foot.

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LMZ844-182000
St Joseph to South Haven MI
703 AM EDT Sun Oct 18 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

TODAY
Southwest winds 15 to 25 knots. Sunny. Waves 3 to 5 feet.

TONIGHT
South winds 10 to 20 knots. Clear. Waves 2 to 4 feet.

MONDAY
South winds 10 to 15 knots veering southwest 5 to 10 knots early in the afternoon. Sunny. Waves 1 to 3 feet.

MONDAY NIGHT
North winds around 5 knots veering east in the late evening and overnight. Mostly clear. Waves 1 foot or less.

TUESDAY
East winds around 5 knots backing north early in the afternoon. Sunny. Waves less than 1 foot.

WEDNESDAY
South winds 5 to 10 knots veering southwest early in the afternoon. Sunny. Waves less than 1 foot.

THURSDAY
South winds around 5 knots veering northwest early in the afternoon. Sunny. Waves less than 1 foot.