Nearshore Marine Forecast
Issued by NWS Grand Rapids, MI

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FZUS53 KGRR 170805
NSHGRR

Nearshore Marine Forecast
National Weather Service Grand Rapids MI
405 AM EDT Thu Jul 17 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ849-172000-
Pentwater to Manistee MI-
405 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...North winds to 30 knots. Cloudy with a chance
of rain showers. Waves 5 to 7 feet.
.TODAY...North winds to 30 knots decreasing to 15 to 20 knots late
in the day. Cloudy until midday then becoming mostly sunny. Waves
6 to 8 feet.
.TONIGHT...North winds 10 to 20 knots veering east 5 to 15 knots
after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.FRIDAY...Southeast winds 5 to 10 knots veering southwest, then
veering northwest late in the day. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots veering southeast
after midnight. Partly cloudy with a chance of rain showers. Waves
less than 1 foot.
.SATURDAY...Southeast winds around 10 knots veering west, then
veering northwest late in the day. Mostly cloudy with a chance of
showers and thunderstorms. Waves around 1 foot.
.SUNDAY...North winds 10 to 15 knots. Mostly sunny. Waves 1 foot or
less.
.MONDAY...Southeast winds 10 to 15 knots veering south, then veering
northwest late in the day. Mostly sunny. Waves around 1 foot.

$$

LMZ848-172000-
Whitehall to Pentwater MI-
405 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...Northwest winds to 30 knots. Cloudy with a
slight chance of rain showers. Waves 5 to 7 feet.
.TODAY...North winds 15 to 25 knots. Cloudy until midday then
becoming partly sunny. Waves 5 to 7 feet.
.TONIGHT...Northeast winds 10 to 20 knots veering east around
10 knots toward daybreak. Mostly clear. Waves 3 to 5 feet subsiding
to 2 to 3 feet after midnight.
.FRIDAY...East winds 10 to 15 knots veering southwest, then veering
northwest late in the day. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots veering southeast
after midnight. Partly cloudy with a chance of rain showers. Waves
less than 1 foot.
.SATURDAY...South winds 10 to 15 knots veering northwest late in the
day. Mostly cloudy with a chance of rain showers. Waves around
1 foot.
.SUNDAY...Northeast winds 10 to 15 knots backing north late in the
day. Mostly sunny. Waves 1 foot or less.
.MONDAY...Southeast winds 10 to 15 knots veering south. Mostly
sunny. Waves around 1 foot.

$$

LMZ847-172000-
Grand Haven to Whitehall MI-
405 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...Northwest winds to 30 knots. Cloudy with a
slight chance of rain showers. Waves 4 to 6 feet.
.TODAY...North winds 15 to 25 knots. Cloudy until midday then
becoming partly sunny. Waves 4 to 6 feet.
.TONIGHT...Northeast winds 10 to 15 knots veering east toward
daybreak. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet
after midnight.
.FRIDAY...East winds around 10 knots veering south, then veering
northwest late in the day. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...North winds 5 to 10 knots veering southeast 10 to
15 knots toward daybreak. Partly cloudy with a chance of rain
showers. Waves 1 foot or less.
.SATURDAY...South winds 10 to 15 knots veering west late in the day.
Mostly cloudy with a chance of rain showers. Waves around 1 foot.
.SUNDAY...Northeast winds 10 to 15 knots backing north. Mostly
sunny. Waves 1 foot or less.
.MONDAY...Southeast winds around 15 knots veering south late in the
day. Partly sunny with a chance of rain showers. Waves around
1 foot.

$$

LMZ846-172000-
Holland to Grand Haven MI-
405 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...Northwest winds to 30 knots. Cloudy with a
slight chance of rain showers. Waves 5 to 7 feet.
.TODAY...Northwest winds 15 to 25 knots. Cloudy until midday then
becoming partly sunny. Waves 5 to 7 feet.
.TONIGHT...North winds 10 to 20 knots veering east after midnight.
Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.
.FRIDAY...East winds 10 to 15 knots backing northwest late in the
day. Sunny. Waves 1 foot or less.
.FRIDAY NIGHT...North winds 5 to 10 knots veering east late at
night, then veering southeast 10 to 15 knots toward daybreak. Partly
cloudy with a chance of rain showers and a slight chance of
thunderstorms. Waves 1 foot or less.
.SATURDAY...South winds 10 to 15 knots veering west late in the day.
Mostly cloudy with a chance of rain showers. Waves around 1 foot.
.SUNDAY...Northeast winds 10 to 15 knots backing north late in the
day. Mostly sunny. Waves 1 foot or less.
.MONDAY...Southeast winds around 15 knots veering south late in the
day. Partly sunny with a chance of rain showers. Waves around
1 foot.

$$

LMZ845-172000-
South Haven to Holland MI-
405 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...Northwest winds to 30 knots. Cloudy. Waves
5 to 7 feet.
.TODAY...Northwest winds 15 to 25 knots. Cloudy until midday then
becoming partly sunny. Waves 5 to 7 feet.
.TONIGHT...North winds 10 to 20 knots veering east after midnight.
Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet toward
daybreak.
.FRIDAY...East winds 10 to 15 knots backing north late in the day.
Sunny. Waves around 1 foot.
.FRIDAY NIGHT...Northeast winds 5 to 15 knots veering southeast
after midnight. Partly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Waves less than 1 foot.
.SATURDAY...South winds 10 to 15 knots veering west late in the day.
Partly sunny with a chance of showers and thunderstorms. Waves
around 1 foot.
.SUNDAY...Northeast winds 10 to 15 knots backing north late in the
day. Mostly sunny. Waves 1 foot or less.
.MONDAY...Southeast winds 10 to 15 knots. Partly sunny with a chance
of rain showers. Waves 1 foot or less.

$$

LMZ844-172000-
St Joseph to South Haven MI-
405 AM EDT Thu Jul 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...Northwest winds 20 to 25 knots. Cloudy. Waves
5 to 7 feet.
.TODAY...North winds 15 to 20 knots. Cloudy until midday then
becoming partly sunny. Waves 5 to 7 feet.
.TONIGHT...North winds 10 to 20 knots veering east after midnight.
Partly cloudy. Waves 4 to 6 feet subsiding to 2 to 3 feet toward
daybreak.
.FRIDAY...East winds 10 to 15 knots backing north late in the day.
Sunny. Waves 1 to 2 feet.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots veering southeast
after midnight. Partly cloudy with a chance of rain showers and a
slight chance of thunderstorms. Waves less than 1 foot.
.SATURDAY...South winds 10 to 15 knots veering west. Partly sunny
with a chance of showers and thunderstorms. Waves around 1 foot.
.SUNDAY...Northeast winds around 10 knots backing north late in the
day. Mostly sunny. Waves around 1 foot.
.MONDAY...Southeast winds 10 to 15 knots. Partly sunny with a chance
of rain showers. Waves 1 foot or less.

$$