Nearshore Marine Forecast
Issued by NWS Grand Rapids, MI

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FZUS53 KGRR 092000
NSHGRR

Nearshore Marine Forecast
National Weather Service Grand Rapids MI
359 PM EDT Thu Oct 9 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ849-100800-
Pentwater to Manistee MI-
359 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING...

.THROUGH EARLY EVENING...South winds 10 to 15 knots. Sunny. Waves
1 foot or less.
.TONIGHT...South winds 15 to 25 knots. Clear in the evening then
becoming partly cloudy. Waves 1 to 3 feet building to 3 to 5 feet
after midnight.
.FRIDAY...South winds to 30 knots veering southwest early in the
afternoon. Rain showers likely. Waves 7 to 10 feet.
.FRIDAY NIGHT...Northwest winds to 30 knots. Partly cloudy with a
chance of rain showers and a slight chance of thunderstorms. Waves
6 to 9 feet subsiding to 4 to 6 feet after midnight.
.SATURDAY...North winds 10 to 20 knots. Mostly sunny with a chance
of rain showers. Waves 3 to 5 feet subsiding to 1 to 3 feet early in
the afternoon.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots veering east in the
late evening and overnight. Mostly clear. Waves 1 to 2 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Sunny. Waves 1 foot or
less.
.COLUMBUS DAY...Southeast winds 10 to 20 knots veering south early
in the afternoon. Partly sunny. Waves 2 to 3 feet.
.TUESDAY...North winds 10 to 20 knots. Mostly sunny. Waves 1 to
3 feet.

$$

LMZ848-100800-
Whitehall to Pentwater MI-
359 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING...

.THROUGH EARLY EVENING...South winds 10 to 15 knots. Sunny. Waves
around 1 foot.
.TONIGHT...South winds 15 to 25 knots. Clear in the evening then
becoming partly cloudy. Waves 1 to 2 feet building to 3 to 5 feet
after midnight.
.FRIDAY...Southwest winds to 30 knots. Mostly cloudy with a chance
of rain showers. Waves 7 to 10 feet building to 7 to 11 feet early
in the afternoon.
.FRIDAY NIGHT...Northwest winds to 30 knots. Partly cloudy with a
chance of rain showers and a slight chance of thunderstorms. Waves
7 to 10 feet subsiding to 5 to 7 feet after midnight.
.SATURDAY...North winds 15 to 20 knots. Mostly sunny with a chance
of rain showers. Waves 3 to 5 feet subsiding to 1 to 3 feet early in
the afternoon.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots veering east in the
late evening and overnight. Mostly clear. Waves 1 to 2 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Sunny. Waves 1 foot or
less.
.COLUMBUS DAY...Southeast winds 15 to 25 knots. Partly sunny. Waves
2 to 3 feet.
.TUESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 2 to
3 feet.

$$

LMZ847-100800-
Grand Haven to Whitehall MI-
359 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING...

.THROUGH EARLY EVENING...South winds 10 to 15 knots. Sunny. Waves
1 foot or less.
.TONIGHT...Southeast winds 15 to 25 knots. Clear in the evening then
becoming partly cloudy. Waves 1 to 2 feet building to 3 to 5 feet
after midnight.
.FRIDAY...Southwest winds to 30 knots. Mostly cloudy with a chance
of rain showers. Waves 7 to 10 feet.
.FRIDAY NIGHT...West winds to 30 knots veering northwest 15 to
25 knots in the late evening and overnight. Rain showers likely.
Waves 7 to 10 feet subsiding to 5 to 7 feet after midnight.
.SATURDAY...North winds 10 to 20 knots. Mostly sunny with a chance
of rain showers. Waves 3 to 5 feet subsiding to 1 to 3 feet early in
the afternoon.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots veering east after
midnight. Mostly clear. Waves around 1 foot.
.SUNDAY...East winds 10 to 15 knots. Sunny. Waves 1 foot or less.
.COLUMBUS DAY...Southeast winds 10 to 20 knots veering south early
in the afternoon. Mostly sunny. Waves 2 to 3 feet.
.TUESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 1 to
3 feet.

$$

LMZ846-100800-
Holland to Grand Haven MI-
359 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING...

.THROUGH EARLY EVENING...Southeast winds 5 to 10 knots. Sunny. Waves
1 foot or less.
.TONIGHT...Southeast winds 5 to 10 knots increasing to 15 to
25 knots in the late evening and overnight. Mostly clear. Waves 1 to
2 feet building to 2 to 4 feet after midnight.
.FRIDAY...South winds to 30 knots. Partly sunny with a slight chance
of rain showers. Waves 4 to 6 feet building to 6 to 9 feet in the
late morning and afternoon.
.FRIDAY NIGHT...West winds to 30 knots veering northwest in the late
evening and overnight. Rain showers likely. Waves 6 to 9 feet.
.SATURDAY...North winds 10 to 20 knots. Mostly sunny with a chance
of rain showers. Waves 4 to 6 feet subsiding to 2 to 3 feet early in
the afternoon.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots veering east after
midnight. Mostly clear. Waves 1 to 2 feet.
.SUNDAY...East winds 10 to 15 knots. Sunny. Waves 1 foot or less.
.COLUMBUS DAY...Southeast winds 15 to 20 knots veering south 10 to
15 knots early in the afternoon. Mostly sunny. Waves 1 to 2 feet.
.TUESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 1 to
3 feet.

$$

LMZ845-100800-
South Haven to Holland MI-
359 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING...

.THROUGH EARLY EVENING...Southeast winds 5 to 10 knots. Sunny. Waves
less than 1 foot.
.TONIGHT...Southeast winds 5 to 15 knots veering south 15 to
20 knots after midnight. Mostly clear. Waves 1 to 3 feet.
.FRIDAY...South winds to 30 knots. Partly sunny with a slight chance
of rain showers. Waves 2 to 4 feet building to 5 to 7 feet in the
late morning and afternoon.
.FRIDAY NIGHT...West winds to 30 knots veering northwest in the late
evening and overnight. Rain showers likely. Waves 6 to 8 feet.
.SATURDAY...North winds 10 to 20 knots. Mostly sunny with a chance
of rain showers. Waves 4 to 6 feet.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots veering east after
midnight. Mostly clear. Waves 1 to 3 feet.
.SUNDAY...East winds 10 to 15 knots. Sunny. Waves 1 foot or less.
.COLUMBUS DAY...Southeast winds 10 to 15 knots veering south early
in the afternoon. Mostly sunny. Waves around 1 foot.
.TUESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 1 to
3 feet.

$$

LMZ844-100800-
St Joseph to South Haven MI-
359 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY
MORNING...

.THROUGH EARLY EVENING...Southeast winds 5 to 10 knots. Sunny. Waves
less than 1 foot.
.TONIGHT...Southeast winds 5 to 15 knots veering south 15 to
20 knots after midnight. Clear. Waves 1 to 2 feet.
.FRIDAY...South winds 15 to 25 knots. Partly sunny with a slight
chance of rain showers. Waves 1 to 3 feet building to 3 to 5 feet in
the late morning and afternoon.
.FRIDAY NIGHT...Southwest winds 15 to 25 knots veering northwest to
30 knots in the late evening and overnight. Rain showers likely.
Waves 4 to 6 feet.
.SATURDAY...North winds 10 to 20 knots. Mostly sunny with a chance
of rain showers. Waves 4 to 6 feet.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots veering east in the
late evening and overnight. Mostly clear. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.
.SUNDAY...East winds around 10 knots. Sunny. Waves 1 foot or less.
.COLUMBUS DAY...Southeast winds 10 to 15 knots. Mostly sunny. Waves
1 foot or less.
.TUESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 2 to
3 feet.

$$