Nearshore Marine Forecast
Issued by NWS Grand Rapids, MI

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982
FZUS53 KGRR 171505
NSHGRR

Nearshore Marine Forecast
National Weather Service Grand Rapids MI
1105 AM EDT Sun Aug 17 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ849-172100-
Pentwater to Manistee MI-
1105 AM EDT Sun Aug 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...North winds 15 to 25 knots. Sunny. Waves 3 to
5 feet.
.TONIGHT...Northeast winds 10 to 20 knots veering southeast after
midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet
after midnight.
.MONDAY...Southeast winds 10 to 20 knots. Mostly sunny with a chance
of rain showers and a slight chance of thunderstorms. Waves 1 to
2 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Showers and
thunderstorms likely. Waves 1 to 2 feet.
.TUESDAY...South winds 10 to 15 knots veering northwest late in the
day. Mostly cloudy with a chance of rain showers and a slight chance
of thunderstorms. Waves 2 to 3 feet.
.WEDNESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 2 to
3 feet.
.THURSDAY...Northeast winds 5 to 10 knots backing north 10 to
15 knots. Sunny. Waves 1 foot or less.

$$

LMZ848-172100-
Whitehall to Pentwater MI-
1105 AM EDT Sun Aug 17 2025

.REST OF TODAY...North winds 10 to 20 knots. Sunny. Waves 2 to
4 feet.
.TONIGHT...Northeast winds 10 to 20 knots veering southeast 15 to
25 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding
to 1 to 3 feet after midnight.
.MONDAY...Southeast winds 10 to 20 knots. Mostly sunny with a slight
chance of showers and thunderstorms. Waves 1 to 2 feet.
.MONDAY NIGHT...South winds 10 to 20 knots. Rain showers with
thunderstorms likely. Waves 2 to 3 feet.
.TUESDAY...South winds 15 to 20 knots veering northwest late in the
day. Mostly cloudy with a chance of rain showers and a slight chance
of thunderstorms. Waves 2 to 4 feet.
.WEDNESDAY...North winds 15 to 20 knots. Partly sunny. Waves 2 to
3 feet.
.THURSDAY...Northeast winds around 10 knots backing north. Sunny.
Waves around 1 foot.

$$

LMZ847-172100-
Grand Haven to Whitehall MI-
1105 AM EDT Sun Aug 17 2025

.REST OF TODAY...North winds 10 to 20 knots. Mostly sunny. Waves
2 to 3 feet.
.TONIGHT...East winds 15 to 25 knots. Partly cloudy. Waves 1 to
3 feet.
.MONDAY...Southeast winds 10 to 20 knots veering south late in the
day. Mostly sunny with a slight chance of showers and thunderstorms.
Waves 1 to 2 feet.
.MONDAY NIGHT...Southeast winds 10 to 20 knots. Showers and
thunderstorms likely. Waves 2 to 3 feet.
.TUESDAY...Southwest winds 15 to 20 knots veering northwest late in
the day. Mostly cloudy with a chance of showers and thunderstorms.
Waves 2 to 4 feet.
.WEDNESDAY...North winds 15 to 20 knots. Partly sunny. Waves 1 to
3 feet.
.THURSDAY...Northeast winds 10 to 15 knots backing north late in the
day. Sunny. Waves 1 foot or less.

$$

LMZ846-172100-
Holland to Grand Haven MI-
1105 AM EDT Sun Aug 17 2025

.REST OF TODAY...North winds 10 to 20 knots. Mostly sunny. Waves
2 to 3 feet.
.TONIGHT...East winds 15 to 25 knots. Partly cloudy. Waves 1 to
3 feet.
.MONDAY...Southeast winds 10 to 20 knots veering south late in the
day. Mostly sunny with a slight chance of rain showers. Waves 1 to
2 feet.
.MONDAY NIGHT...Southeast winds 10 to 20 knots. Showers and
thunderstorms likely. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 15 to 20 knots veering northwest late in
the day. Mostly cloudy with a chance of showers and thunderstorms.
Waves 2 to 3 feet.
.WEDNESDAY...North winds 15 to 20 knots. Partly sunny. Waves 1 to
2 feet.
.THURSDAY...Northeast winds 10 to 15 knots backing north late in the
day. Sunny. Waves around 1 foot.

$$

LMZ845-172100-
South Haven to Holland MI-
1105 AM EDT Sun Aug 17 2025

.REST OF TODAY...North winds 10 to 20 knots. Mostly sunny. Waves
2 to 3 feet.
.TONIGHT...Northeast winds 15 to 20 knots veering east after
midnight. Partly cloudy. Waves 2 to 3 feet.
.MONDAY...Southeast winds 10 to 20 knots. Sunny. Waves around
1 foot.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Showers and
thunderstorms likely. Waves around 1 foot.
.TUESDAY...Southwest winds around 15 knots veering northwest late in
the day. Mostly cloudy with a chance of showers and thunderstorms.
Waves 1 to 3 feet.
.WEDNESDAY...North winds 15 to 20 knots. Partly sunny. Waves 1 to
3 feet.
.THURSDAY...Northeast winds 10 to 15 knots backing north late in the
day. Sunny. Waves around 1 foot.

$$

LMZ844-172100-
St Joseph to South Haven MI-
1105 AM EDT Sun Aug 17 2025

.REST OF TODAY...North winds 10 to 15 knots. Mostly sunny. Waves
2 to 4 feet.
.TONIGHT...Northeast winds 10 to 15 knots veering east 15 to
20 knots after midnight. Partly cloudy. Waves 2 to 4 feet.
.MONDAY...Southeast winds 10 to 15 knots. Sunny. Waves around
1 foot.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Showers and
thunderstorms likely. Waves around 1 foot.
.TUESDAY...Southwest winds 10 to 15 knots veering northwest late in
the day. Partly sunny with a chance of showers and thunderstorms.
Waves around 1 foot.
.WEDNESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 2 to
4 feet.
.THURSDAY...Northeast winds 10 to 15 knots backing north late in the
day. Sunny. Waves around 1 foot.

$$