Nearshore Marine Forecast
Issued by NWS Grand Rapids, MI

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988
FZUS53 KGRR 312005
NSHGRR

Nearshore Marine Forecast
National Weather Service Grand Rapids MI
405 PM EDT Thu Jul 31 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ849-010800-
Pentwater to Manistee MI-
405 PM EDT Thu Jul 31 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

.THROUGH EARLY EVENING...North winds to 30 knots. Sunny. Waves 5 to
7 feet.
.TONIGHT...Northeast winds 15 to 25 knots becoming east 5 to
10 knots toward daybreak. Mostly clear. Waves 4 to 6 feet subsiding
to 1 to 2 feet.
.FRIDAY...North winds 10 to 20 knots. Sunny. Waves 1 to 3 feet.
.FRIDAY NIGHT...North winds 5 to 15 knots veering southeast toward
daybreak. Mostly clear. Waves 1 to 2 feet.
.SATURDAY...Southwest winds 5 to 10 knots veering west. Sunny. Waves
less than 1 foot.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots backing south toward
daybreak. Mostly clear. Waves less than 1 foot.
.SUNDAY...Southwest winds 5 to 10 knots veering west late in the
day. Sunny. Waves less than 1 foot.
.MONDAY...Southeast winds 5 to 10 knots veering southwest, then
veering northwest late in the day. Mostly sunny. Waves less than
1 foot.
.TUESDAY...Southeast winds around 10 knots veering southwest, then
veering northwest late in the day. Mostly sunny. Waves 1 foot or
less.

$$

LMZ848-010800-
Whitehall to Pentwater MI-
405 PM EDT Thu Jul 31 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

.THROUGH EARLY EVENING...North winds to 30 knots. Mostly sunny.
Waves 5 to 7 feet.
.TONIGHT...Northeast winds to 30 knots decreasing to 10 to 20 knots
after midnight. Mostly clear. Waves 4 to 6 feet subsiding to around
1 foot.
.FRIDAY...Northeast winds 10 to 15 knots backing north 15 to
20 knots. Sunny. Waves 1 to 3 feet.
.FRIDAY NIGHT...North winds 10 to 20 knots veering east late at
night, then veering southeast 5 to 10 knots toward daybreak. Mostly
clear. Waves 2 to 3 feet.
.SATURDAY...Southwest winds around 5 knots veering northwest. Sunny.
Waves less than 1 foot.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots backing southeast
after midnight. Mostly clear. Waves less than 1 foot.
.SUNDAY...South winds 5 to 10 knots veering west late in the day.
Sunny. Waves less than 1 foot.
.MONDAY...Southeast winds 5 to 10 knots veering southwest, then
veering northwest late in the day. Mostly sunny. Waves 1 foot or
less.
.TUESDAY...Southeast winds 10 to 15 knots veering south, then
backing northeast late in the day. Mostly sunny. Waves 1 foot or
less.

$$

LMZ847-010800-
Grand Haven to Whitehall MI-
405 PM EDT Thu Jul 31 2025

.THROUGH EARLY EVENING...North winds 15 to 25 knots. Mostly sunny.
Haze. Waves 3 to 5 feet.
.TONIGHT...Northeast winds 10 to 20 knots. Partly cloudy. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight.
.FRIDAY...Northeast winds around 10 knots backing northwest 10 to
20 knots. Sunny. Waves 1 to 2 feet building to 2 to 4 feet late in
the day.
.FRIDAY NIGHT...North winds 10 to 20 knots veering southeast around
10 knots toward daybreak. Mostly clear. Waves 2 to 3 feet subsiding
to 1 to 2 feet after midnight.
.SATURDAY...Northeast winds 5 to 10 knots backing northwest 5 to
15 knots. Sunny. Waves 1 foot or less.
.SATURDAY NIGHT...Northwest winds 5 to 10 knots veering east toward
daybreak. Mostly clear. Waves 1 foot or less.
.SUNDAY...Southeast winds 5 to 10 knots veering northwest late in
the day. Sunny. Waves less than 1 foot.
.MONDAY...Southeast winds around 10 knots veering southwest, then
veering northwest late in the day. Mostly sunny. Waves 1 foot or
less.
.TUESDAY...Southeast winds 10 to 15 knots backing east late in the
day. Mostly sunny. Waves 1 foot or less.

$$

LMZ846-010800-
Holland to Grand Haven MI-
405 PM EDT Thu Jul 31 2025

.THROUGH EARLY EVENING...North winds 15 to 20 knots. Sunny, haze.
Waves 2 to 4 feet.
.TONIGHT...Northeast winds 10 to 20 knots. Partly cloudy. Waves 2 to
4 feet subsiding to 1 to 3 feet after midnight.
.FRIDAY...Northeast winds 10 to 15 knots backing north 10 to
20 knots. Sunny. Waves 1 to 2 feet building to 2 to 4 feet late in
the day.
.FRIDAY NIGHT...North winds 10 to 20 knots veering southeast around
10 knots toward daybreak. Mostly clear. Waves 2 to 4 feet subsiding
to 1 to 3 feet after midnight.
.SATURDAY...East winds 5 to 10 knots backing northwest 5 to
15 knots. Sunny. Waves 1 foot or less.
.SATURDAY NIGHT...North winds 5 to 15 knots veering southeast toward
daybreak. Mostly clear. Waves 1 foot or less.
.SUNDAY...Southeast winds 5 to 10 knots veering northwest late in
the day. Sunny. Waves less than 1 foot.
.MONDAY...Southeast winds around 10 knots veering southwest, then
veering northwest late in the day. Mostly sunny. Waves less than
1 foot.
.TUESDAY...Southeast winds 10 to 15 knots backing east late in the
day. Mostly sunny. Waves 1 foot or less.

$$

LMZ845-010800-
South Haven to Holland MI-
405 PM EDT Thu Jul 31 2025

.THROUGH EARLY EVENING...North winds 15 to 20 knots. Sunny, haze.
Waves 2 to 4 feet.
.TONIGHT...Northeast winds 10 to 20 knots. Partly cloudy. Waves 2 to
4 feet subsiding to 1 to 3 feet toward daybreak.
.FRIDAY...Northeast winds 10 to 15 knots backing north 15 to
20 knots. Sunny. Waves 1 to 2 feet building to 2 to 4 feet late in
the day.
.FRIDAY NIGHT...North winds 10 to 20 knots veering southeast around
10 knots toward daybreak. Mostly clear. Waves 2 to 4 feet.
.SATURDAY...East winds 5 to 10 knots backing north 5 to 15 knots.
Sunny. Waves 1 foot or less.
.SATURDAY NIGHT...North winds 5 to 10 knots veering east after
midnight. Mostly clear. Waves 1 foot or less.
.SUNDAY...Southeast winds 5 to 10 knots veering northwest late in
the day. Sunny. Waves less than 1 foot.
.MONDAY...Southeast winds around 10 knots veering south, then
veering north late in the day. Mostly sunny. Waves less than 1 foot.
.TUESDAY...Southeast winds 10 to 15 knots backing east late in the
day. Mostly sunny. Waves less than 1 foot.

$$

LMZ844-010800-
St Joseph to South Haven MI-
405 PM EDT Thu Jul 31 2025

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

.THROUGH EARLY EVENING...North winds 15 to 20 knots. Sunny, haze.
Waves 3 to 5 feet.
.TONIGHT...Northeast winds 10 to 20 knots veering east after
midnight. Partly cloudy. Waves 3 to 5 feet.
.FRIDAY...Northeast winds 10 to 15 knots backing north 15 to
20 knots. Sunny. Waves 1 to 3 feet building to 2 to 4 feet late in
the day.
.FRIDAY NIGHT...North winds 10 to 20 knots veering southeast around
10 knots toward daybreak. Mostly clear. Waves 2 to 4 feet.
.SATURDAY...East winds 5 to 10 knots backing north. Sunny. Waves
around 1 foot.
.SATURDAY NIGHT...North winds 5 to 10 knots veering east after
midnight. Mostly clear. Waves 1 foot or less.
.SUNDAY...Southeast winds 5 to 10 knots backing north late in the
day. Sunny. Waves less than 1 foot.
.MONDAY...Southeast winds around 10 knots backing northeast late in
the day. Mostly sunny. Waves less than 1 foot.
.TUESDAY...Southeast winds around 10 knots. Mostly sunny. Waves less
than 1 foot.

$$