Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI

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FZUS53 KDTX 080840
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
340 AM EST Sat Nov 8 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.

LHZ422-081645-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
340 AM EST Sat Nov 8 2025

.TODAY...North winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and early afternoon, then veering to the
northeast late in the afternoon. Mostly sunny in the morning
becoming partly cloudy. Waves 2 feet or less.
.TONIGHT...Northeast winds 5 to 10 knots becoming north 15 to
20 knots after midnight. Cloudy. A slight chance of light rain in
the evening. A chance of light snow. A chance of light rain after
midnight. Waves 2 feet or less.
.SUNDAY...North winds 15 to 20 knots increasing to 20 to 25 knots
with gusts to 30 knots in the late morning and afternoon. Mostly
cloudy. Light snow and light rain likely until late afternoon,
then light snow likely early in the afternoon. Waves 2 to 4 feet.
.SUNDAY NIGHT...North winds to 30 knots. Partly cloudy with a
chance of light snow. Waves 2 to 4 feet.

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

$$

LHZ421-081645-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
340 AM EST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

.TODAY...Northwest winds 10 to 15 knots diminishing to 5 to
10 knots early in the afternoon, then veering to the northeast
late in the afternoon. Mostly sunny in the morning becoming
partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the
afternoon.
.TONIGHT...Northeast winds 5 to 10 knots increasing to 10 to
15 knots after midnight. Cloudy. A slight chance of light snow in
the evening. A chance of light rain. A chance of light snow after
midnight. Waves 2 feet or less.
.SUNDAY...North winds 20 to 25 knots with gusts to 30 knots
increasing to 30 knots early in the afternoon. Cloudy with light
rain and snow likely. Waves 4 to 6 feet building to 6 to 9 feet
early in the afternoon. Waves occasionally around 12 feet.
.SUNDAY NIGHT...North winds to 30 knots. Mostly cloudy until
early morning becoming partly cloudy. Light snow and light rain
likely early in the evening, then a chance of light snow in the
late evening and overnight. Waves 6 to 9 feet. Waves occasionally
around 12 feet.

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

$$

LHZ441-081645-
Port Austin to Harbor Beach MI-
340 AM EST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

.TODAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots in the afternoon. Mostly cloudy. Waves 4 to 6 feet
subsiding to 1 to 3 feet. Waves occasionally around 8 feet.
.TONIGHT...Northeast winds 5 to 10 knots increasing to 10 to
15 knots after midnight. Cloudy. A slight chance of light rain
early in the evening, then a chance of light rain and snow in the
late evening and overnight. Waves 2 feet or less.
.SUNDAY...Northeast winds 15 to 20 knots becoming north to
30 knots. Cloudy. A chance of light rain early in the morning,
then light rain and snow in the late morning and early afternoon.
Light rain and light snow likely early in the afternoon. Waves
3 to 5 feet building to 6 to 9 feet in the late morning and
afternoon. Waves occasionally around 12 feet.
.SUNDAY NIGHT...North winds to 30 knots. Cloudy. Light snow
likely. Waves 6 to 9 feet. Waves occasionally around 12 feet.

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

$$

LHZ442-081645-
Harbor Beach to Port Sanilac MI-
340 AM EST Sat Nov 8 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

.TODAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots in the afternoon. Partly cloudy in the morning becoming
mostly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet in the
afternoon. Waves occasionally around 7 feet.
.TONIGHT...Northeast winds 5 to 10 knots increasing to 10 to
15 knots after midnight. Cloudy. A chance of light rain until
early morning. A slight chance of light snow in the late evening
and overnight. Light rain likely after midnight. Waves 1 to
3 feet.
.SUNDAY...Northeast winds 15 to 20 knots increasing to 20 to
25 knots with gusts to 30 knots in the late morning and
afternoon. Cloudy. Light rain early in the morning, then light
rain and snow in the late morning and afternoon. Waves 3 to
5 feet building to 5 to 7 feet early in the afternoon. Waves
occasionally around 10 feet.
.SUNDAY NIGHT...North winds to 30 knots diminishing to 20 to
25 knots in the late evening and overnight. Light snow early in
the evening. Light snow likely in the late evening and overnight.
Waves 6 to 9 feet. Waves occasionally around 12 feet.

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

$$

LHZ443-081645-
Port Sanilac to Port Huron MI-
340 AM EST Sat Nov 8 2025

.TODAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots in the afternoon. Partly cloudy in the morning becoming
mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the
late morning and afternoon.
.TONIGHT...North winds 5 to 10 knots becoming northeast 15 to
20 knots. Cloudy. A chance of light rain early in the evening,
then light rain likely in the late evening and overnight. Waves
1 to 3 feet.
.SUNDAY...Northeast winds 15 to 20 knots becoming north 20 to
25 knots with gusts to 30 knots in the late morning and
afternoon. Light rain early in the morning, then light rain and
snow in the late morning and afternoon. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.SUNDAY NIGHT...North winds to 30 knots diminishing to 20 to
25 knots in the late evening and overnight. Light rain early in
the evening. Light snow likely. Waves 5 to 7 feet. Waves
occasionally around 10 feet.

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

$$

LEZ444-081645-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
340 AM EST Sat Nov 8 2025

.TODAY...North winds 10 to 15 knots becoming northeast 5 to
10 knots in the late morning and afternoon. Mostly cloudy. A
slight chance of light rain in the afternoon. Waves 2 feet or
less.
.TONIGHT...Northeast winds 5 to 10 knots becoming north 15 to
20 knots. Light rain. Waves 1 to 3 feet.
.SUNDAY...North winds 15 to 20 knots. Rain until late afternoon,
then light rain and snow likely early in the afternoon. Waves
1 to 3 feet.
.SUNDAY NIGHT...Northwest winds 15 to 20 knots. Mostly cloudy
becoming partly cloudy in the late evening and early morning
becoming mostly cloudy. Light rain and light snow likely early in
the evening, then light snow likely in the late evening and
overnight. Waves 1 to 3 feet.

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