Nearshore Marine Forecast
Issued by NWS Grand Rapids, MI

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948
FZUS53 KGRR 150909
NSHGRR

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

For waters within five nautical miles of shore on Lake Michigan

LMZ849-152000-
Pentwater to Manistee MI-
508 AM EDT Wed Oct 15 2025

.TODAY...Northeast winds 5 to 15 knots. Mostly cloudy with a slight
chance of rain showers in the morning, then mostly sunny in the
afternoon. Waves 1 to 2 feet.
.TONIGHT...Northeast winds 10 to 15 knots veering east after
midnight. Mostly clear. Waves around 1 foot.
.THURSDAY...Southeast winds 5 to 10 knots veering south early in the
afternoon. Sunny. Waves 1 foot or less.
.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 2 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 9 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.

$$

LMZ848-152000-
Whitehall to Pentwater MI-
508 AM EDT Wed Oct 15 2025

.TODAY...Northeast winds 5 to 15 knots backing north early in the
afternoon. Mostly cloudy with a chance of rain showers in the
morning, then mostly sunny in the afternoon. Waves 1 to 2 feet.
.TONIGHT...Northeast winds 10 to 15 knots. Mostly clear. Waves
around 1 foot.
.THURSDAY...Southeast winds 10 to 15 knots veering south early in
the afternoon. Sunny. Waves 1 foot or less.
.THURSDAY NIGHT...Southeast winds 15 to 25 knots. 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 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 7 to 10 feet.

$$

LMZ847-152000-
Grand Haven to Whitehall MI-
508 AM EDT Wed Oct 15 2025

.TODAY...Northeast winds 5 to 15 knots backing north early in the
afternoon. Cloudy with a chance of rain showers in the morning, then
mostly sunny in the afternoon. Waves 1 foot or less.
.TONIGHT...North winds 10 to 15 knots veering northeast after
midnight. Mostly clear. Waves around 1 foot.
.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 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.

$$

LMZ846-152000-
Holland to Grand Haven MI-
508 AM EDT Wed Oct 15 2025

.TODAY...Northeast winds 5 to 15 knots backing north early in the
afternoon. Cloudy with a chance of rain showers in the morning, then
mostly sunny in the afternoon. Waves around 1 foot.
.TONIGHT...Northeast winds 10 to 15 knots. 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 2 to 3 feet.
.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.

$$

LMZ845-152000-
South Haven to Holland MI-
508 AM EDT Wed Oct 15 2025

.TODAY...Northeast winds 10 to 15 knots backing north 5 to 10 knots
early in the afternoon. Cloudy with a chance of rain showers in the
morning, then partly sunny in the afternoon. Waves 1 to 2 feet.
.TONIGHT...Northeast winds 10 to 15 knots. 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 with a chance of
rain showers. 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.

$$

LMZ844-152000-
St Joseph to South Haven MI-
508 AM EDT Wed Oct 15 2025

.TODAY...Northeast winds 10 to 20 knots. Mostly cloudy. A chance of
rain showers in the morning. Waves 1 to 3 feet.
.TONIGHT...Northeast winds 10 to 15 knots veering east after
midnight. Mostly clear. Waves around 1 foot.
.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 around 1 foot.
.FRIDAY...South winds 15 to 20 knots. Mostly cloudy with a chance of
rain showers. Waves 1 to 2 feet.
.SATURDAY...South winds 15 to 25 knots. Rain showers. Waves 2 to
4 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.

$$