828
FZUS53 KDTX 101348
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
948 AM EDT Fri Oct 10 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.

LHZ422-102200-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
948 AM EDT Fri Oct 10 2025

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

.REST OF TODAY...South winds 15 to 20 knots with gusts to 25 knots.
Mostly sunny late in the morning becoming partly cloudy. A slight
chance of showers in the afternoon. Waves 1 to 3 feet building to
2 to 4 feet in the afternoon.
.TONIGHT...West winds 15 to 20 knots with gusts to 25 knots early,
diminishing to 10 to 15 knots after midnight. Mostly cloudy early
in the evening becoming partly cloudy. Light showers likely until
early morning, then a slight chance of showers after midnight. A
slight chance of waterspouts in the late evening and early
morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight.
.SATURDAY...North winds 10 to 15 knots veering to the northeast
early in the afternoon. Partly cloudy early in the morning
becoming mostly sunny. A slight chance of showers. Waves 2 feet
or less.
.SATURDAY NIGHT...East winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Mostly clear. Waves 2 feet or less.

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

$$

LHZ421-102200-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
948 AM EDT Fri Oct 10 2025

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

.REST OF TODAY...South winds 15 to 20 knots becoming southwest
20 to 25 knots with gusts to 30 knots in the afternoon. Mostly
sunny late in the morning becoming partly cloudy. A chance of
showers in the afternoon. Waves 2 to 4 feet building to 3 to
5 feet in the afternoon. Waves occasionally around 7 feet.
.TONIGHT...Southwest winds 20 to 25 knots with gusts to 30 knots
becoming west 10 to 15 knots. Mostly cloudy early in the evening
becoming partly cloudy. A chance of showers early in the evening,
then showers likely in the late evening and early morning. A
slight chance of showers after midnight. A chance of waterspouts
in the late evening and early morning. Waves 3 to 5 feet
subsiding to 1 to 3 feet after midnight. Waves occasionally
around 7 feet.
.SATURDAY...North winds 10 to 15 knots veering to the northeast
early in the afternoon. Partly cloudy until late afternoon
becoming mostly sunny. A slight chance of showers. Waves 1 to
3 feet building to 2 to 4 feet in the late morning and afternoon.
.SATURDAY NIGHT...East winds 10 to 15 knots diminishing to 5 to
10 knots after midnight. Mostly clear. Waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight.

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

$$

LHZ441-102200-
Port Austin to Harbor Beach MI-
948 AM EDT Fri Oct 10 2025

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

.REST OF TODAY...South winds 15 to 20 knots with gusts to 25 knots
in the afternoon. Partly cloudy. A slight chance of showers in
the afternoon. Waves 1 to 3 feet building to 2 to 4 feet late in
the afternoon.
.TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to
15 knots after midnight. Mostly cloudy until early morning
becoming partly cloudy. A chance of showers early in the evening,
then showers likely in the late evening and early morning. A
chance of showers and a slight chance of thunderstorms after
midnight. A slight chance of waterspouts in the late evening and
overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.
.SATURDAY...Northwest winds 10 to 15 knots veering to the
northeast in the late morning and afternoon. Partly cloudy until
late afternoon becoming mostly sunny. A chance of showers until
late afternoon. A slight chance of waterspouts until late
afternoon. Waves 2 to 4 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet.

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

$$

LHZ442-102200-
Harbor Beach to Port Sanilac MI-
948 AM EDT Fri Oct 10 2025

.REST OF TODAY...South winds 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Partly cloudy. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to
15 knots after midnight. Mostly cloudy until early morning
becoming partly cloudy. A chance of showers early in the evening,
then showers likely in the late evening and early morning. A
chance of showers after midnight. Waves 1 to 3 feet.
.SATURDAY...West winds 10 to 15 knots veering to the north in the
late morning and afternoon. Partly cloudy with a chance of
showers. A slight chance of waterspouts. Waves 1 to 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Mostly clear. A
chance of showers early in the evening. Waves 1 to 3 feet.

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

$$

LHZ443-102200-
Port Sanilac to Port Huron MI-
948 AM EDT Fri Oct 10 2025

.REST OF TODAY...South winds 10 to 15 knots increasing to 15 to
20 knots late in the afternoon. Mostly sunny. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to
15 knots after midnight. Mostly cloudy with a chance of showers.
Waves 1 to 3 feet.
.SATURDAY...West winds 10 to 15 knots veering to the north in the
late morning and afternoon. Partly cloudy. A chance of showers
until late afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet.

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

$$

LEZ444-102200-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
948 AM EDT Fri Oct 10 2025

.REST OF TODAY...Southwest winds 10 to 15 knots. Mostly sunny.
Waves 2 feet or less.
.TONIGHT...Southwest winds 10 to 15 knots. Partly cloudy with a
slight chance of showers until early morning, then partly cloudy
after midnight. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots in the late morning and afternoon. Mostly sunny with a
slight chance of showers. Waves 2 feet or less.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots. Mostly clear.
Waves 2 feet or less.

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

The water temperature at Belle Isle is 64 degrees.

$$

SF

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