Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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806
FZUS53 KDTX 170216
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1016 PM EDT Thu Oct 16 2025

For waters within five nautical miles of shore

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

LHZ422-171030-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1016 PM EDT Thu Oct 16 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots becoming south
10 to 15 knots early in the morning. Partly cloudy. A chance of
showers after midnight. Waves 2 feet or less.
.FRIDAY...South winds 10 to 15 knots increasing to 15 to 20 knots
early in the afternoon. Mostly cloudy. A chance of showers early
in the morning, then showers likely in the late morning and early
afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...South winds 15 to 20 knots increasing to 20 to 25
knots in the late evening and overnight. Mostly cloudy. A slight
chance of showers until early morning, then a chance of showers after
midnight. Waves 2 to 4 feet. A Small Craft Advisory may be needed.
.SATURDAY...South winds 20 to 25 knots becoming southwest 15 to
20 knots in the late morning and afternoon. Partly cloudy with a
chance of showers until late afternoon, then mostly cloudy with
showers likely early in the afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ421-171030-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1016 PM EDT Thu Oct 16 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots becoming south
10 to 15 knots early in the morning. Partly cloudy. A chance of
showers after midnight. Waves 2 feet or less.
.FRIDAY...South winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon. Mostly cloudy. A chance of
showers early in the morning, then showers likely in the late
morning and early afternoon. A slight chance of showers early in
the afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...South winds 20 to 25 knots. Mostly cloudy. A slight
chance of showers until early morning, then a chance of showers after
midnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. A
Small Craft Advisory may be needed.
.SATURDAY...South winds 20 to 25 knots becoming southwest 15 to
20 knots in the late morning and afternoon. Partly cloudy with a
chance of showers until late afternoon, then mostly cloudy with
showers likely early in the afternoon. Waves 3 to 5 feet. Waves
occasionally around 7 feet.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ441-171030-
Port Austin to Harbor Beach MI-
1016 PM EDT Thu Oct 16 2025

.REST OF TONIGHT...Light and variable winds becoming south 5 to
10 knots after midnight. Partly cloudy. A slight chance of
showers after midnight. Waves 2 feet or less.
.FRIDAY...South winds 10 to 15 knots increasing to 15 to 20 knots
early in the afternoon. A slight chance of showers early in the
morning, then showers in the late morning and early afternoon. A
chance of showers early in the afternoon. Waves 2 feet or less
building to 2 to 4 feet early in the afternoon.
.FRIDAY NIGHT...South winds 15 to 20 knots. Mostly cloudy with a
chance of showers. Waves 3 to 5 feet. Waves occasionally around 7
feet. A Small Craft Advisory may be needed.
.SATURDAY...South winds 15 to 20 knots. Partly cloudy until late
afternoon becoming mostly cloudy. A chance of showers until late
afternoon, then showers likely early in the afternoon. Waves 3 to
5 feet. Waves occasionally around 7 feet.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ442-171030-
Harbor Beach to Port Sanilac MI-
1016 PM EDT Thu Oct 16 2025

.REST OF TONIGHT...Northeast winds 5 to 10 knots veering to the
south after midnight. Mostly clear. A slight chance of showers
after midnight. Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots increasing to 15 to 20 knots.
Mostly cloudy. Light showers likely until late afternoon, then a
chance of showers early in the afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...South winds 15 to 20 knots. Mostly cloudy with a
chance of showers. Waves 3 to 5 feet. Waves occasionally around 7
feet. A Small Craft Advisory may be needed.
.SATURDAY...South winds 15 to 20 knots. Partly cloudy. A chance
of showers early in the morning. Light showers likely early in
the afternoon. Waves 3 to 5 feet. Waves occasionally around
7 feet.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ443-171030-
Port Sanilac to Port Huron MI-
1016 PM EDT Thu Oct 16 2025

.REST OF TONIGHT...Northeast winds 5 to 10 knots veering to the
southeast after midnight. Mostly clear. Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots increasing to 15 to 20 knots.
Mostly cloudy. Light showers likely until late afternoon, then a
chance of showers early in the afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...South winds 15 to 20 knots. Mostly cloudy with a
chance of showers. Waves 2 to 4 feet.
.SATURDAY...South winds 15 to 20 knots. Partly cloudy. A chance
of showers early in the morning. A chance of showers early in the
afternoon. Waves 2 to 4 feet.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LEZ444-171030-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1016 PM EDT Thu Oct 16 2025

.REST OF TONIGHT...Light and variable winds becoming south 5 to
10 knots after midnight. Clear. Waves 2 feet or less.
.FRIDAY...South winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. Mostly sunny early in the morning
becoming partly cloudy. A slight chance of showers until late
afternoon. Waves 2 feet or less.
.FRIDAY NIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. Mostly cloudy. A
chance of showers until early morning. Waves 1 to 3 feet building
to 2 to 4 feet in the late evening and overnight.
.SATURDAY...South winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. Partly cloudy becoming mostly
sunny in the late morning and early afternoon becoming partly
cloudy. A chance of showers early in the afternoon. Waves 2 to
4 feet subsiding to 1 to 3 feet early in the afternoon.

See Lake Erie Open Lake Forecast for days 3 through 5.

The water temperature at Belle Isle is 61 degrees.

$$

KGK

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