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FZUS53 KDTX 070840
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
340 AM EST Fri Nov 7 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.

LHZ422-071645-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
340 AM EST Fri Nov 7 2025

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

.TODAY...South winds to 30 knots becoming southwest 20 to
25 knots in the late morning and afternoon. Light rain in the
morning. Waves 4 to 6 feet. Waves occasionally around 8 feet.
.TONIGHT...West winds 20 to 25 knots with gusts to 30 knots
becoming northwest 15 to 20 knots in the late evening and
overnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to
3 feet after midnight.
.SATURDAY...North winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and afternoon. Mostly sunny becoming
partly cloudy in the late morning and early afternoon becoming
mostly cloudy. Waves 2 feet or less.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots becoming north
15 to 20 knots. Mostly cloudy. A chance of light snow in the
evening. Light rain likely. Light snow likely after midnight.
Waves 1 to 3 feet.

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

$$

LHZ421-071645-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
340 AM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.TODAY...Southwest winds to 30 knots diminishing to 20 to
25 knots early in the afternoon, then becoming west to 30 knots
late in the afternoon. Light rain in the morning, then a slight
chance of light rain in the afternoon. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.TONIGHT...West winds to 30 knots becoming northwest 15 to
20 knots. Mostly cloudy early in the evening becoming partly
cloudy. A slight chance of light rain until early morning. Waves
4 to 6 feet. Waves occasionally around 7 feet.
.SATURDAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots early in the afternoon. Partly cloudy until late
afternoon becoming mostly cloudy. Waves 3 to 5 feet subsiding to
1 to 3 feet in the late morning and afternoon. Waves occasionally
around 7 feet.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots increasing to
15 to 20 knots after midnight. Mostly cloudy. A chance of light
snow in the evening. Light rain likely. Light snow likely after
midnight. Waves 2 feet or less building to 2 to 4 feet after
midnight.

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

$$

LHZ441-071645-
Port Austin to Harbor Beach MI-
340 AM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.TODAY...Southwest winds to 30 knots becoming west 20 to 25 knots
in the afternoon. Light rain in the morning, then a slight chance
of light rain in the afternoon. Waves 5 to 7 feet. Waves
occasionally around 10 feet.
.TONIGHT...West winds to 30 knots becoming northwest 15 to
20 knots. Mostly cloudy. A slight chance of light rain until
early morning. Waves 5 to 7 feet. Waves occasionally around
10 feet.
.SATURDAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots early in the afternoon. Mostly cloudy. Waves 3 to 5 feet
subsiding to 1 to 3 feet early in the afternoon. Waves
occasionally around 7 feet.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots increasing to
10 to 15 knots after midnight. Cloudy. A chance of light rain
early in the evening, then light rain likely in the late evening
and overnight. Waves 2 feet or less building to 2 to 4 feet after
midnight.

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

$$

LHZ442-071645-
Harbor Beach to Port Sanilac MI-
340 AM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.TODAY...South winds to 30 knots becoming southwest 20 to
25 knots with gusts to 30 knots in the late morning and early
afternoon, then becoming west 15 to 20 knots late in the
afternoon. Light rain in the morning, then a slight chance of
light rain in the afternoon. Waves 5 to 7 feet subsiding to 2 to
4 feet in the afternoon. Waves occasionally around 10 feet.
.TONIGHT...Northwest winds 15 to 20 knots. Mostly cloudy becoming
partly cloudy in the late evening and early morning becoming
mostly cloudy. A slight chance of light rain until early morning.
Waves 3 to 5 feet. Waves occasionally around 7 feet.
.SATURDAY...Northwest winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and afternoon. Partly cloudy until
late afternoon becoming mostly cloudy. Waves 3 to 5 feet
subsiding to 1 to 3 feet early in the afternoon. Waves
occasionally around 7 feet.
.SATURDAY NIGHT...North winds 5 to 10 knots becoming northeast
10 to 15 knots in the late evening and overnight. Cloudy. A
chance of light rain until early morning, then light rain likely
after midnight. Waves 1 to 3 feet building to 2 to 4 feet after
midnight.

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

$$

LHZ443-071645-
Port Sanilac to Port Huron MI-
340 AM EST Fri Nov 7 2025

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

.TODAY...South winds to 30 knots becoming southwest 20 to
25 knots with gusts to 30 knots in the late morning and early
afternoon, then becoming west 15 to 20 knots late in the
afternoon. Rain in the morning, then a chance of light rain in
the afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet late in
the afternoon. Waves occasionally around 8 feet.
.TONIGHT...West winds 20 to 25 knots becoming northwest 15 to
20 knots in the late evening and overnight. Partly cloudy. A
slight chance of light rain early in the evening. Waves 2 to
4 feet subsiding to 1 to 3 feet in the late evening and
overnight.
.SATURDAY...Northwest winds 10 to 15 knots diminishing to 5 to
10 knots in the late morning and afternoon. Partly cloudy until
late afternoon becoming mostly cloudy. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon.
.SATURDAY NIGHT...North winds 5 to 10 knots becoming northeast
10 to 15 knots in the late evening and overnight. A chance of
light rain until early morning, then rain after midnight. Waves
1 to 3 feet building to 2 to 4 feet after midnight.

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

$$

LEZ444-071645-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
340 AM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...South winds to 30 knots becoming southwest 20 to
25 knots in the late morning and early afternoon, then becoming
west 15 to 20 knots late in the afternoon. Light rain in the
morning, then a chance of light rain in the afternoon. Waves 3 to
5 feet subsiding to 2 to 4 feet late in the afternoon. Waves
occasionally around 7 feet.
.TONIGHT...West winds 15 to 20 knots becoming northwest 5 to
10 knots. Mostly clear. Waves 2 feet or less.
.SATURDAY...Northeast winds 5 to 10 knots. Partly cloudy early in
the morning becoming mostly cloudy. Waves 2 feet or less.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots increasing to
15 to 20 knots. A chance of light rain early in the evening, then
light rain in the late evening and overnight. Waves 2 feet or
less.

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

The water temperature at Belle Isle is 49 degrees.

$$

AM

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