689
FZUS53 KGRR 181206
NSHGRR

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

For waters within five nautical miles of shore on Lake Michigan

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

.TODAY...Southeast winds 10 to 20 knots. Mostly cloudy 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-
805 AM EDT Mon Aug 18 2025

.TODAY...Southeast winds 15 to 25 knots decreasing to 10 to 15 knots
late in the day. Mostly cloudy with a chance of rain showers. Waves
1 to 2 feet.
.TONIGHT...Southeast winds 10 to 20 knots veering south toward
daybreak. 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-
805 AM EDT Mon Aug 18 2025

.TODAY...Southeast winds 10 to 20 knots. Partly sunny with a slight
chance of rain showers. Waves 1 to 2 feet.
.TONIGHT...Southeast winds 10 to 20 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-
805 AM EDT Mon Aug 18 2025

.TODAY...Southeast winds 10 to 20 knots. Partly sunny with a slight
chance of rain showers. Waves 1 to 2 feet.
.TONIGHT...Southeast winds 10 to 20 knots veering south toward
daybreak. 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-
805 AM EDT Mon Aug 18 2025

.TODAY...Southeast winds 10 to 20 knots. Partly sunny with a slight
chance of rain showers. Waves around 1 foot.
.TONIGHT...Southeast winds 10 to 20 knots. 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-
805 AM EDT Mon Aug 18 2025

.TODAY...Southeast winds 10 to 15 knots. Partly 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...South winds 10 to 20 knots. 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.

$$