Nearshore Marine Forecast
Issued by NWS Grand Rapids, MI

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FZUS53 KGRR 150618
NSHGRR

Nearshore Marine Forecast
National Weather Service Grand Rapids MI
218 AM EDT Wed Oct 15 2025

For waters within five nautical miles of shore on Lake Michigan

LMZ849-150800-
Pentwater to Manistee MI-
218 AM EDT Wed Oct 15 2025

.REST OF TONIGHT...Northeast winds 10 to 20 knots. Rain showers
likely. Waves 2 to 3 feet.
.WEDNESDAY...Northeast winds 5 to 15 knots backing north early in
the afternoon. Partly sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots veering east after
midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...Southeast winds 5 to 10 knots veering south early in the
afternoon. Sunny. Waves around 1 foot.
.THURSDAY NIGHT...South winds 5 to 10 knots increasing to 15 to
25 knots in the late evening and overnight. Partly cloudy with a
chance of rain showers. Waves 1 to 3 feet building to 2 to 4 feet
after midnight.
.FRIDAY...South winds to 30 knots. Cloudy with a chance of rain
showers. Waves 5 to 7 feet building to 6 to 8 feet early in the
afternoon.
.SATURDAY...South winds to 30 knots. Rain showers. Waves 5 to
7 feet.
.SUNDAY...Northwest winds to 30 knots. Partly sunny with a chance of
rain showers. Waves 5 to 7 feet building to 6 to 8 feet early in the
afternoon.

$$

LMZ848-150800-
Whitehall to Pentwater MI-
218 AM EDT Wed Oct 15 2025

.REST OF TONIGHT...Northeast winds 10 to 20 knots. Rain showers
likely. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 5 to 15 knots backing north early in
the afternoon. Partly sunny. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots veering east after
midnight. Mostly clear. Waves around 1 foot.
.THURSDAY...Southeast winds 10 to 15 knots veering south early in
the afternoon. Sunny. Waves around 1 foot.
.THURSDAY NIGHT...Southeast winds 15 to 25 knots. Partly cloudy with
a chance of rain showers. Waves 1 to 2 feet building to 3 to 5 feet
after midnight.
.FRIDAY...South winds to 30 knots. Mostly cloudy. Waves 6 to 9 feet.
.SATURDAY...South winds to 30 knots. Rain showers. Waves 6 to
8 feet.
.SUNDAY...Northwest winds to 30 knots increasing to gales to
35 knots early in the afternoon. Partly sunny with rain showers
likely. Waves 6 to 8 feet building to 6 to 9 feet early in the
afternoon.

$$

LMZ847-150800-
Grand Haven to Whitehall MI-
218 AM EDT Wed Oct 15 2025

.REST OF TONIGHT...Northeast winds 10 to 20 knots. Cloudy with a
chance of rain showers. Waves around 1 foot.
.WEDNESDAY...Northeast winds 5 to 15 knots backing north early in
the afternoon. Partly sunny. Waves 1 foot or less.
.WEDNESDAY NIGHT...North winds 10 to 15 knots veering east after
midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...Southeast winds 10 to 15 knots veering south early in
the afternoon. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots increasing to 15 to
25 knots in the late evening and overnight. Partly cloudy with a
chance of rain showers. Waves 1 to 2 feet building to 2 to 4 feet
after midnight.
.FRIDAY...South winds to 30 knots. Mostly cloudy with a chance of
rain showers. Waves 6 to 8 feet.
.SATURDAY...South winds to 30 knots. Rain showers. Waves 6 to
8 feet.
.SUNDAY...Northwest winds to 30 knots increasing to gales to
35 knots early in the afternoon. Partly sunny with rain showers
likely. Waves 7 to 10 feet building to 7 to 11 feet early in the
afternoon.

$$

LMZ846-150800-
Holland to Grand Haven MI-
218 AM EDT Wed Oct 15 2025

.REST OF TONIGHT...Northeast winds 15 to 20 knots. Cloudy with a
chance of rain showers. Waves 1 to 2 feet.
.WEDNESDAY...Northeast winds 5 to 15 knots backing north early in
the afternoon. Partly sunny with a chance of rain showers. Waves
around 1 foot.
.WEDNESDAY NIGHT...North winds 10 to 15 knots veering east after
midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...East winds 10 to 15 knots veering south early in the
afternoon. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots increasing to 10 to
20 knots in the late evening and overnight. Partly cloudy with a
chance of rain showers. Waves 1 to 2 feet building to 2 to 3 feet
after midnight.
.FRIDAY...South winds 15 to 25 knots. Mostly cloudy with a chance of
rain showers. Waves 3 to 5 feet.
.SATURDAY...South winds to 30 knots. Rain showers. Waves 5 to
7 feet.
.SUNDAY...Northwest winds to 30 knots increasing to gales to
35 knots early in the afternoon. Rain showers likely. Waves 7 to
10 feet building to 8 to 12 feet early in the afternoon.

$$

LMZ845-150800-
South Haven to Holland MI-
218 AM EDT Wed Oct 15 2025

.REST OF TONIGHT...Northeast winds 15 to 20 knots. Cloudy with a
chance of rain showers. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 10 to 15 knots backing north early in
the afternoon. Mostly cloudy with a chance of rain showers. Waves
around 1 foot.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots veering east after
midnight. Mostly clear. Waves 1 foot or less.
.THURSDAY...Southeast winds 10 to 15 knots. Sunny. Waves 1 foot or
less.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Partly cloudy with a chance of rain
showers. Waves 1 to 2 feet.
.FRIDAY...South winds 15 to 20 knots. Mostly cloudy. Waves 2 to
3 feet.
.SATURDAY...South winds 20 to 25 knots. Rain showers. Waves 3 to
5 feet.
.SUNDAY...Northwest winds to 30 knots increasing to gales to
35 knots early in the afternoon. Rain showers likely. Waves 7 to
10 feet building to 8 to 12 feet early in the afternoon.

$$

LMZ844-150800-
St Joseph to South Haven MI-
218 AM EDT Wed Oct 15 2025

.REST OF TONIGHT...Northeast winds 10 to 20 knots. Cloudy with a
chance of rain showers. Waves 2 to 3 feet.
.WEDNESDAY...East winds 10 to 20 knots decreasing to 5 to 10 knots
in the late morning and early afternoon, then backing north early in
the afternoon. Mostly cloudy with a chance of rain showers. Waves
1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots veering east after
midnight. Mostly clear. Waves around 1 foot.
.THURSDAY...Southeast winds around 10 knots. Sunny. Waves 1 foot or
less.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Partly cloudy with a chance of rain
showers. Waves around 1 foot.
.FRIDAY...South winds 15 to 20 knots. Mostly cloudy. Waves 1 to
2 feet.
.SATURDAY...South winds 15 to 25 knots. Rain showers. Waves 2 to
3 feet.
.SUNDAY...Northwest winds to 30 knots increasing to gales to
35 knots in the late morning and afternoon. Rain showers likely.
Waves 7 to 10 feet building to 7 to 11 feet early in the afternoon.

$$