463
FZUS53 KGRR 180805
NSHGRR

Nearshore Marine Forecast
National Weather Service Grand Rapids MI
405 AM EDT Mon Aug 18 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ849-182000-
Pentwater to Manistee MI-
405 AM EDT Mon Aug 18 2025

.EARLY THIS MORNING...Southeast winds 15 to 20 knots. Partly cloudy.
Waves 1 to 2 feet.
.TODAY...Southeast winds 10 to 20 knots. Partly sunny with a chance
of rain showers. Waves 1 to 2 feet.
.TONIGHT...Southeast winds 10 to 20 knots. Rain showers likely and a
chance of thunderstorms. Waves 1 to 3 feet.
.TUESDAY...South winds 10 to 20 knots veering west 10 to 15 knots,
then veering north late in the day. Partly sunny with a chance of
rain showers and a slight chance of thunderstorms. Waves 2 to
3 feet.
.TUESDAY NIGHT...North winds 10 to 20 knots. Partly cloudy. Waves
1 to 3 feet building to 2 to 4 feet after midnight.
.WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 2 to
4 feet.
.THURSDAY...Northeast winds 5 to 10 knots backing north 10 to
15 knots. Sunny. Waves around 1 foot.
.FRIDAY...Southwest winds 10 to 15 knots. Mostly sunny. Waves around
1 foot.

$$

LMZ848-182000-
Whitehall to Pentwater MI-
405 AM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...

.EARLY THIS MORNING...Southeast winds 15 to 25 knots. Partly cloudy.
Waves 1 to 2 feet.
.TODAY...Southeast winds 15 to 25 knots becoming south around
10 knots late in the day. Partly sunny with a chance of rain
showers. Waves 1 to 2 feet.
.TONIGHT...Southeast winds 10 to 20 knots. Rain showers likely and a
chance of thunderstorms. Waves 2 to 3 feet.
.TUESDAY...Southwest winds 10 to 20 knots veering north late in the
day. Partly sunny with a chance of rain showers and a slight chance
of thunderstorms. Waves 2 to 4 feet.
.TUESDAY NIGHT...North winds 15 to 20 knots. Partly cloudy. Waves
2 to 4 feet.
.WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 3 to
5 feet.
.THURSDAY...Northeast winds around 10 knots backing north. Sunny.
Waves around 1 foot.
.FRIDAY...Southwest winds 10 to 15 knots. Mostly sunny. Waves around
1 foot.

$$

LMZ847-182000-
Grand Haven to Whitehall MI-
405 AM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...

.EARLY THIS MORNING...East winds 15 to 25 knots. Partly cloudy.
Waves 1 to 2 feet.
.TODAY...Southeast winds 15 to 25 knots veering south 10 to
15 knots. Partly sunny with a slight chance of rain showers. Waves
1 to 2 feet.
.TONIGHT...Southeast winds 15 to 25 knots veering south toward
daybreak. Rain showers likely and a chance of thunderstorms. Waves
1 to 3 feet.
.TUESDAY...Southwest winds 15 to 25 knots veering northwest late in
the day. Partly sunny with a chance of rain showers and a slight
chance of thunderstorms. Waves 2 to 4 feet.
.TUESDAY NIGHT...North winds 10 to 20 knots. Partly cloudy. Waves
1 to 3 feet.
.WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 2 to
4 feet.
.THURSDAY...Northeast winds 10 to 15 knots backing north. Sunny.
Waves around 1 foot.
.FRIDAY...South winds around 10 knots veering southwest. Sunny.
Waves 1 foot or less.

$$

LMZ846-182000-
Holland to Grand Haven MI-
405 AM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...

.EARLY THIS MORNING...East winds 15 to 25 knots. Partly cloudy.
Waves 1 to 2 feet.
.TODAY...Southeast winds 15 to 20 knots veering south 10 to
15 knots. Mostly sunny with a slight chance of rain showers. Waves
1 to 2 feet.
.TONIGHT...Southeast winds 10 to 15 knots veering south 15 to
25 knots after midnight. Rain showers likely and a chance of
thunderstorms. Waves 2 to 3 feet.
.TUESDAY...Southwest winds 15 to 20 knots veering northwest. Partly
sunny with a chance of showers and thunderstorms. Waves 2 to 4 feet.
.TUESDAY NIGHT...North winds around 15 knots. Partly cloudy. Waves
1 to 3 feet.
.WEDNESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 1 to
3 feet building to 2 to 4 feet late in the day.
.THURSDAY...Northeast winds 10 to 15 knots backing north. Sunny.
Waves around 1 foot.
.FRIDAY...South winds around 10 knots veering west. Sunny. Waves
1 foot or less.

$$

LMZ845-182000-
South Haven to Holland MI-
405 AM EDT Mon Aug 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...

.EARLY THIS MORNING...East winds 15 to 25 knots. Partly cloudy.
Waves 1 to 2 feet.
.TODAY...Southeast winds 15 to 20 knots decreasing to 5 to 10 knots.
Mostly sunny with a slight chance of rain showers. Waves around
1 foot.
.TONIGHT...Southeast winds 5 to 15 knots veering south 15 to
20 knots after midnight. Rain showers likely and a chance of
thunderstorms. Waves 1 to 2 feet.
.TUESDAY...Southwest winds 15 to 20 knots veering northwest late in
the day. Partly sunny with a chance of showers and thunderstorms.
Waves 2 to 3 feet.
.TUESDAY NIGHT...North winds around 15 knots. Partly cloudy. Waves
1 to 3 feet.
.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 1 to 2 feet.
.FRIDAY...South winds 5 to 10 knots veering west. Sunny. Waves
1 foot or less.

$$

LMZ844-182000-
St Joseph to South Haven MI-
405 AM EDT Mon Aug 18 2025

.EARLY THIS MORNING...East winds 15 to 20 knots. Partly cloudy.
Waves 1 to 3 feet.
.TODAY...Southeast winds 10 to 20 knots decreasing to 5 to 10 knots
late in the day. Mostly sunny. A slight chance of showers and
thunderstorms until midday, then a slight chance of rain showers in
the afternoon. Waves around 1 foot.
.TONIGHT...Southeast winds 5 to 15 knots veering south 15 to
20 knots after midnight. Rain showers likely and a chance of
thunderstorms. Waves around 1 foot.
.TUESDAY...Southwest winds 10 to 20 knots veering northwest late in
the day. Partly sunny with a chance of showers and thunderstorms.
Waves 1 to 2 feet.
.TUESDAY NIGHT...North winds 10 to 15 knots. Partly cloudy. Waves
1 to 3 feet.
.WEDNESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 3 to
5 feet.
.THURSDAY...Northeast winds 10 to 15 knots backing north late in the
day. Sunny. Waves 1 to 2 feet.
.FRIDAY...Southwest winds 5 to 10 knots veering west. Sunny. Waves
1 foot or less.

$$