981
FZUS53 KGRR 201205
NSHGRR

Nearshore Marine Forecast
National Weather Service Grand Rapids MI
805 AM EDT Sun Apr 20 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ849-202000-
Pentwater to Manistee MI-
805 AM EDT Sun Apr 20 2025

.TODAY...East winds 10 to 15 knots backing northeast. Mostly sunny
until midday, then mostly cloudy with a slight chance of rain in the
afternoon. Waves around 1 foot.
.TONIGHT...East winds 10 to 20 knots increasing to 30 knots after
midnight. Rain and a slight chance of thunderstorms. Waves 1 to
2 feet building to 2 to 4 feet after midnight.
.MONDAY...Southeast winds to 30 knots veering southwest. Rain likely
and a slight chance of thunderstorms. Waves 4 to 6 feet building to
7 to 10 feet.
.MONDAY NIGHT...West winds 15 to 25 knots. Partly cloudy. Waves 6 to
8 feet subsiding to 4 to 6 feet after midnight.
.TUESDAY...Northwest winds 10 to 20 knots decreasing to 5 to
10 knots late in the day. Mostly sunny. Waves 2 to 4 feet subsiding
to 1 to 3 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots veering southwest.
Partly sunny. Waves around 1 foot.
.THURSDAY...East winds 10 to 15 knots backing northeast late in the
day. Mostly cloudy with a chance of rain showers. Waves 1 foot or
less.

$$

LMZ848-202000-
Whitehall to Pentwater MI-
805 AM EDT Sun Apr 20 2025

.TODAY...East winds 10 to 20 knots. Mostly sunny until midday, then
mostly cloudy with a chance of rain in the afternoon. Waves 1 foot
or less.
.TONIGHT...East winds to 30 knots. Rain and a slight chance of
thunderstorms. Waves 1 to 3 feet building to 3 to 5 feet after
midnight.
.MONDAY...South winds to 30 knots veering southwest late in the day.
Rain likely and a slight chance of thunderstorms. Waves 5 to 7 feet
building to 7 to 10 feet.
.MONDAY NIGHT...West winds 15 to 25 knots. Partly cloudy. Waves 6 to
8 feet subsiding to 4 to 6 feet after midnight.
.TUESDAY...Northwest winds 10 to 20 knots. Mostly sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots veering southwest.
Partly sunny. Waves 1 to 2 feet.
.THURSDAY...East winds 10 to 15 knots. Partly sunny with a chance of
rain showers. Waves 1 foot or less.

$$

LMZ847-202000-
Grand Haven to Whitehall MI-
805 AM EDT Sun Apr 20 2025

.TODAY...East winds 15 to 20 knots. Mostly sunny until midday, then
mostly cloudy with a chance of rain in the afternoon. Waves around
1 foot.
.TONIGHT...East winds to 30 knots. Rain and a slight chance of
thunderstorms. Waves 2 to 3 feet building to 3 to 5 feet after
midnight.
.MONDAY...South winds to 30 knots veering southwest late in the day.
Rain likely and a chance of thunderstorms. Waves 7 to 10 feet.
.MONDAY NIGHT...West winds 15 to 25 knots. Partly cloudy. Waves 6 to
8 feet subsiding to 4 to 6 feet after midnight.
.TUESDAY...Northwest winds 10 to 15 knots. Mostly sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots veering southwest.
Partly sunny. Waves 1 to 2 feet.
.THURSDAY...East winds 10 to 15 knots. Partly sunny with a chance of
rain showers. Waves 1 foot or less.

$$

LMZ846-202000-
Holland to Grand Haven MI-
805 AM EDT Sun Apr 20 2025

.TODAY...East winds 15 to 20 knots. Sunny until midday, then mostly
cloudy with a chance of rain in the afternoon. Waves 1 to 2 feet.
.TONIGHT...East winds to 30 knots. Rain. Waves 2 to 4 feet.
.MONDAY...South winds to 30 knots veering southwest late in the day.
Rain likely and a chance of thunderstorms. Waves 7 to 10 feet.
.MONDAY NIGHT...West winds 15 to 25 knots. Partly cloudy. Waves 6 to
8 feet subsiding to 3 to 5 feet toward daybreak.
.TUESDAY...West winds 10 to 15 knots. Mostly sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.WEDNESDAY...South winds 10 to 15 knots veering northwest late in
the day. Partly sunny. Waves 1 to 2 feet.
.THURSDAY...East winds 10 to 15 knots. Partly sunny with a chance of
rain showers. Waves 1 foot or less.

$$

LMZ845-202000-
South Haven to Holland MI-
805 AM EDT Sun Apr 20 2025

.TODAY...East winds 15 to 20 knots. Sunny until midday, then mostly
cloudy with a chance of rain in the afternoon. Waves around 1 foot.
.TONIGHT...East winds to 30 knots veering southeast toward daybreak.
Mostly cloudy with a chance of rain. Waves 2 to 3 feet.
.MONDAY...Southwest winds to 30 knots. Mostly cloudy with a chance
of rain and a slight chance of thunderstorms. Waves 4 to 6 feet
building to 6 to 9 feet.
.MONDAY NIGHT...West winds 15 to 25 knots. Partly cloudy. Waves 5 to
7 feet.
.TUESDAY...Northwest winds 5 to 15 knots. Mostly sunny. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.WEDNESDAY...South winds 10 to 15 knots veering northwest late in
the day. Partly sunny. Waves around 1 foot.
.THURSDAY...Southeast winds 10 to 15 knots. Partly sunny with a
chance of rain showers. Waves less than 1 foot.

$$

LMZ844-202000-
St Joseph to South Haven MI-
805 AM EDT Sun Apr 20 2025

.TODAY...East winds 10 to 20 knots. Mostly sunny until midday, then
mostly cloudy with a chance of rain in the afternoon. Waves 1 to
2 feet.
.TONIGHT...East winds 20 to 25 knots veering southeast toward
daybreak. Rain. Waves 2 to 3 feet.
.MONDAY...Southwest winds to 30 knots. Mostly cloudy with a chance
of rain and a slight chance of thunderstorms. Waves 5 to 7 feet.
.MONDAY NIGHT...West winds 15 to 25 knots. Partly cloudy. Waves 4 to
6 feet subsiding to 2 to 4 feet toward daybreak.
.TUESDAY...Northwest winds 10 to 15 knots veering north 5 to
10 knots late in the day. Sunny. Waves 2 to 3 feet.
.WEDNESDAY...South winds 10 to 15 knots veering west, then veering
north 5 to 10 knots late in the day. Partly sunny. Waves 1 foot or
less.
.THURSDAY...Southeast winds 10 to 15 knots. Partly sunny with a
chance of rain showers. Waves 1 foot or less.

$$