171
FZUS53 KDTX 150842
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
342 AM EST Sat Nov 15 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.

LHZ422-151645-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
342 AM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EST THIS AFTERNOON
THROUGH SUNDAY MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.TODAY...South winds 15 to 20 knots with gusts to 25 knots veering
to the west in the afternoon. Mostly cloudy. A slight chance of
light rain in the morning, then a chance of light rain in the
afternoon. Waves 2 to 4 feet.
.TONIGHT...Northwest winds 20 to 25 knots increasing to 30 knots
after midnight. Partly cloudy. A chance of light rain early in
the evening. Waves 3 to 5 feet. Waves occasionally around 7 feet.
.SUNDAY...Northwest winds to 30 knots with gusts to 35 knot
gales. Partly cloudy. Waves 4 to 6 feet. Waves occasionally
around 8 feet.
.SUNDAY NIGHT...Northwest winds to 30 knots with gusts to 35 knot
gales diminishing to 20 to 25 knots after midnight. Partly
cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet.

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

$$

LHZ421-151645-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
342 AM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EST THIS AFTERNOON
THROUGH SUNDAY MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.TODAY...Southwest winds 15 to 20 knots with gusts to 25 knots
veering to the west late in the afternoon. Cloudy. A slight chance
of light rain in the morning, then a chance of light rain in the
afternoon. Waves 2 to 4 feet.
.TONIGHT...Northwest winds to 30 knots. Partly cloudy. A chance
of light rain early in the evening. Waves 6 to 9 feet. Waves
occasionally around 12 feet.
.SUNDAY...Northwest gales to 35 knot gales with gusts to 40 knot
gales. Partly cloudy. Waves 8 to 12 feet. Waves occasionally
around 15 feet.
.SUNDAY NIGHT...Northwest gales to 35 knot gales diminishing to
30 knots after midnight. Partly cloudy. Waves 8 to 12 feet. Waves
occasionally around 15 feet.

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

$$

LHZ441-151645-
Port Austin to Harbor Beach MI-
342 AM EST Sat Nov 15 2025

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH SUNDAY
EVENING...

.TODAY...South winds 15 to 20 knots veering to the west late in
the afternoon. Cloudy. A slight chance of light rain in the
morning, then a chance of light rain in the afternoon. Waves 2 to
4 feet.
.TONIGHT...Northwest winds to 30 knots with gusts to 35 knot
gales. Partly cloudy. A chance of light rain early in the
evening, then a slight chance of light rain in the late evening
and overnight. Waves 6 to 9 feet building to 8 to 12 feet after
midnight. Waves occasionally around 15 feet.
.SUNDAY...Northwest gales to 35 knot gales with gusts to 40 knot
gales. Partly cloudy until late afternoon becoming mostly cloudy.
A chance of light snow. Waves 10 to 14 feet. Waves occasionally
around 18 feet.
.SUNDAY NIGHT...Northwest gales to 35 knot gales with gusts to
40 knot gales diminishing to 30 knots after midnight. Mostly
cloudy with a chance of light snow. Waves 10 to 14 feet. Waves
occasionally around 18 feet.

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

$$

LHZ442-151645-
Harbor Beach to Port Sanilac MI-
342 AM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
LATE SUNDAY NIGHT...

.TODAY...South winds 15 to 20 knots with gusts to 25 knots veering
to the west late in the afternoon. Cloudy. A slight chance of
light rain in the morning, then a chance of light rain in the
afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the
afternoon. Waves occasionally around 7 feet.
.TONIGHT...Northwest winds 20 to 25 knots increasing to 30 knots
in the late evening and overnight. Partly cloudy. A chance of
light rain early in the evening. A slight chance of light rain in
the late evening and overnight. A slight chance of light snow
after midnight. Waves 4 to 6 feet building to 6 to 9 feet in the
late evening and overnight. Waves occasionally around 12 feet.
.SUNDAY...Northwest winds to 30 knots with gusts to 35 knot gales.
Partly cloudy. A chance of light snow. A chance of light rain in the
late morning and early afternoon. Waves 8 to 12 feet. Waves
occasionally around 15 feet. A Gale Warning may be needed.
.SUNDAY NIGHT...Northwest gales to 35 knot gales diminishing to
30 knots in the late evening and overnight. Partly cloudy with a
chance of light snow. Waves 8 to 12 feet. Waves occasionally
around 15 feet.

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

$$

LHZ443-151645-
Port Sanilac to Port Huron MI-
342 AM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
LATE SUNDAY NIGHT...

.TODAY...South winds 15 to 20 knots with gusts to 25 knots becoming
west 10 to 15 knots late in the afternoon. Cloudy. A slight
chance of light rain in the morning, then a chance of light rain
in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet late
in the afternoon.
.TONIGHT...Northwest winds 20 to 25 knots with gusts to 30 knots.
Partly cloudy. A chance of light rain early in the evening. A
slight chance of light rain after midnight. Waves 3 to 5 feet.
Waves occasionally around 7 feet.
.SUNDAY...Northwest winds to 30 knots with gusts to 35 knot gales.
Mostly sunny early in the morning becoming partly cloudy. A chance of
light rain and snow early in the afternoon. Waves 5 to 7 feet. Waves
occasionally around 10 feet. A Gale Warning may be needed.
.SUNDAY NIGHT...Northwest winds to 30 knots. Gusts to 35 knot
gales until early morning. Partly cloudy. A chance of light snow
early in the evening. Waves 5 to 7 feet. Waves occasionally
around 10 feet.

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

$$

LEZ444-151645-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
342 AM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY EVENING...

.TODAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots with gusts to 25 knots in the late morning and
afternoon. Mostly cloudy. A slight chance of light rain in the
afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon.
.TONIGHT...Northwest winds 15 to 20 knots with gusts to 25 knots.
Partly cloudy. A slight chance of light rain early in the
evening. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 20 to 25 knots. Mostly sunny. Waves
2 to 4 feet.
.SUNDAY NIGHT...Northwest winds 20 to 25 knots diminishing to
15 to 20 knots in the late evening and overnight. Mostly clear.
Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening
and overnight.

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

The water temperature at Belle Isle is 43 degrees.

$$

DRK

You can obtain your latest National Weather Service forecasts online
a www.weather.gov/greatlakes