791
FZUS53 KGRR 171943
NSHGRR

Nearshore Marine Forecast
National Weather Service Grand Rapids MI
343 PM EDT Fri Oct 17 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ849-180800-
Pentwater to Manistee MI-
343 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING...

.THROUGH EARLY EVENING...South winds to 30 knots. Mostly cloudy.
Waves 6 to 8 feet.
.TONIGHT...South winds to 30 knots. Mostly cloudy. A chance of
showers and thunderstorms after midnight. Waves 6 to 8 feet.
.SATURDAY...Southwest winds 15 to 25 knots. Rain showers likely and
a chance of thunderstorms. Waves 6 to 8 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots backing east after
midnight. Cloudy with rain showers and a slight chance of
thunderstorms. Waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.
.SUNDAY...North winds to 30 knots backing northwest gales to
35 knots in the late morning and afternoon. Rain showers. Waves 5 to
7 feet building to 7 to 10 feet in the late morning and afternoon.
.SUNDAY NIGHT...Northwest gales to 35 knots decreasing to 15 to
20 knots. Partly cloudy. Waves 7 to 10 feet subsiding to 4 to 6 feet
after midnight.
.MONDAY...West winds 10 to 20 knots becoming south to 30 knots in
the late morning and afternoon. Mostly sunny. Waves 3 to 5 feet
building to 5 to 7 feet early in the afternoon.
.TUESDAY...West winds to 30 knots. Mostly cloudy with rain showers
likely. Waves 6 to 9 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots. Partly sunny. Waves
6 to 8 feet.

$$

LMZ848-180800-
Whitehall to Pentwater MI-
343 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING...

.THROUGH EARLY EVENING...South winds around 25 knots. Mostly cloudy.
Waves 6 to 9 feet.
.TONIGHT...South winds to 30 knots. Partly cloudy. A chance of
showers and thunderstorms after midnight. Waves 6 to 9 feet.
.SATURDAY...Southwest winds 15 to 25 knots. Rain showers likely and
a chance of thunderstorms. Waves 6 to 8 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots backing east after
midnight. Rain showers and a chance of thunderstorms. Waves 3 to
5 feet subsiding to 2 to 3 feet after midnight.
.SUNDAY...North winds to 30 knots becoming northwest gales to
40 knots in the late morning and afternoon. Rain showers. Waves 5 to
7 feet building to 8 to 12 feet in the late morning and afternoon.
.SUNDAY NIGHT...Northwest gales to 35 knots decreasing to 30 knots
in the late evening and overnight. Partly cloudy. Waves 8 to 12 feet
subsiding to 5 to 7 feet after midnight.
.MONDAY...West winds 15 to 20 knots backing south to 30 knots in the
late morning and afternoon. Mostly sunny. Waves 4 to 6 feet building
to 6 to 8 feet early in the afternoon.
.TUESDAY...West winds to 30 knots increasing to gales to 35 knots
early in the afternoon. Mostly cloudy with rain showers likely.
Waves 7 to 11 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots. Partly sunny. Waves
6 to 8 feet.

$$

LMZ847-180800-
Grand Haven to Whitehall MI-
343 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING...

.THROUGH EARLY EVENING...South winds 20 to 25 knots. Mostly cloudy.
Waves 6 to 8 feet.
.TONIGHT...South winds 20 to 25 knots. Partly cloudy. A chance of
showers and thunderstorms after midnight. Waves 6 to 8 feet.
.SATURDAY...Southwest winds 15 to 25 knots. Rain showers likely and
a chance of thunderstorms. Waves 6 to 8 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots backing east after
midnight. Rain showers and a chance of thunderstorms. Waves 3 to
5 feet subsiding to 1 to 3 feet after midnight.
.SUNDAY...Northwest winds to 30 knots increasing to gales to
40 knots in the late morning and afternoon. Rain showers. Waves 4 to
6 feet building to 8 to 12 feet in the late morning and afternoon.
.SUNDAY NIGHT...Northwest gales to 35 knots decreasing to 30 knots
in the late evening and overnight. Partly cloudy. Waves 8 to
12 feet.
.MONDAY...West winds 15 to 20 knots backing south to 30 knots in the
late morning and afternoon. Mostly sunny. Waves 6 to 8 feet.
.TUESDAY...West winds to 30 knots becoming gales to 35 knots early
in the afternoon. Partly sunny with rain showers likely. Waves 8 to
12 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots. Partly sunny. Waves
6 to 8 feet.

$$

LMZ846-180800-
Holland to Grand Haven MI-
343 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING...

.THROUGH EARLY EVENING...South winds 15 to 20 knots. Mostly cloudy.
Waves 4 to 6 feet.
.TONIGHT...South winds 15 to 25 knots. Partly cloudy. A chance of
showers and thunderstorms after midnight. Waves 4 to 6 feet building
to 5 to 7 feet after midnight.
.SATURDAY...Southwest winds 15 to 25 knots. Rain showers and a
chance of thunderstorms. Waves 5 to 7 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots backing northeast after
midnight. Rain showers and a chance of thunderstorms. Waves 3 to
5 feet subsiding to 1 to 3 feet after midnight.
.SUNDAY...Northwest winds to 30 knots increasing to gales to
35 knots in the late morning and afternoon. Rain showers and a
slight chance of thunderstorms. Waves 5 to 7 feet building to 9 to
13 feet in the late morning and afternoon.
.SUNDAY NIGHT...Northwest gales to 35 knots decreasing to 30 knots
in the late evening and overnight. Partly cloudy. Waves 9 to
13 feet.
.MONDAY...West winds 15 to 20 knots backing southwest to 30 knots in
the late morning and afternoon. Mostly sunny. Waves 5 to 7 feet.
.TUESDAY...West winds to 30 knots becoming gales to 35 knots early
in the afternoon. Partly sunny with rain showers likely. Waves 8 to
12 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots. Partly sunny. Waves
6 to 9 feet.

$$

LMZ845-180800-
South Haven to Holland MI-
343 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING...

.THROUGH EARLY EVENING...South winds 15 to 20 knots. Mostly cloudy.
Waves 2 to 3 feet.
.TONIGHT...South winds 15 to 25 knots. Partly cloudy. A chance of
showers and thunderstorms after midnight. Waves 2 to 3 feet building
to 3 to 5 feet in the late evening and overnight.
.SATURDAY...Southwest winds 15 to 20 knots. Rain showers and a
chance of thunderstorms. Waves 3 to 5 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots veering west after
midnight. Rain showers and a chance of thunderstorms. Waves 2 to
4 feet.
.SUNDAY...Northwest winds to 30 knots increasing to gales to
35 knots in the late morning and afternoon. Rain showers and a
slight chance of thunderstorms. Waves 6 to 8 feet building to 10 to
14 feet in the late morning and afternoon.
.SUNDAY NIGHT...Northwest gales to 35 knots decreasing to 30 knots
in the late evening and overnight. Partly cloudy. Waves 10 to
14 feet subsiding to 7 to 10 feet after midnight.
.MONDAY...West winds 15 to 25 knots backing south in the late
morning and afternoon. Mostly sunny. Waves 5 to 7 feet.
.TUESDAY...West winds to 30 knots becoming gales to 35 knots early
in the afternoon. Partly sunny with rain showers likely. Waves 8 to
12 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots. Partly sunny. Waves
7 to 10 feet.

$$

LMZ844-180800-
St Joseph to South Haven MI-
343 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY EVENING...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING...

.THROUGH EARLY EVENING...South winds around 15 knots. Mostly cloudy.
Waves 1 to 2 feet.
.TONIGHT...South winds 15 to 20 knots. Partly cloudy. A slight
chance of rain showers after midnight. Waves 2 to 4 feet.
.SATURDAY...South winds 15 to 20 knots. Rain showers and a chance of
thunderstorms. Waves 2 to 4 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots veering west after
midnight. Rain showers and a chance of thunderstorms. Waves 2 to
4 feet.
.SUNDAY...Northwest winds to 30 knots increasing to gales to
35 knots in the late morning and afternoon. Rain showers. Waves 7 to
10 feet building to 11 to 15 feet in the late morning and afternoon.
.SUNDAY NIGHT...Northwest gales to 35 knots decreasing to 30 knots
in the late evening and overnight. Partly cloudy. Waves 11 to
15 feet subsiding to 7 to 10 feet after midnight.
.MONDAY...West winds 15 to 25 knots backing south in the late
morning and afternoon. Sunny. Waves 5 to 7 feet.
.TUESDAY...West winds to 30 knots. Partly sunny with a chance of
rain showers. Waves 7 to 11 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots. Partly sunny. Waves
7 to 10 feet.

$$