271
FZUS53 KDTX 101938
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
338 PM 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.

LHZ422-110345-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
338 PM EDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...Southwest winds 15 to 20 knots with gusts to 25 knots
becoming west 10 to 15 knots in the late evening and overnight.
Mostly cloudy with showers likely in the evening, then mostly
clear with a slight chance of showers after midnight. A slight
chance of waterspouts after midnight. 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 until late afternoon
becoming mostly sunny. A slight chance of showers. Waves 2 feet
or less.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots becoming east
5 to 10 knots in the late evening and overnight. Mostly clear.
Waves 2 feet or less.
.SUNDAY...East winds 10 to 15 knots diminishing to 5 to 10 knots
in the late morning and early afternoon, then increasing to 10 to
15 knots early in the afternoon. Mostly sunny. Waves 2 feet or
less.

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

$$

LHZ421-110345-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
338 PM EDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...West winds 15 to 20 knots with gusts to 25 knots
veering to the northwest after midnight, then diminishing to 10 to
15 knots early in the morning. Mostly cloudy with showers likely
in the evening, then partly cloudy with a slight chance of showers
after midnight. A chance of waterspouts. Waves 2 to 4 feet
subsiding to 1 to 3 feet early in the morning.
.SATURDAY...North winds 15 to 20 knots becoming northeast 10 to
15 knots early in the afternoon. Partly cloudy with a slight
chance of showers. Waves 2 to 4 feet.
.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.
.SUNDAY...East winds 10 to 15 knots. Mostly sunny. Waves 1 to
3 feet.

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

$$

LHZ441-110345-
Port Austin to Harbor Beach MI-
338 PM EDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

.TONIGHT...Southwest winds 15 to 20 knots with gusts to 25 knots
becoming west 10 to 15 knots after midnight. Cloudy with showers
likely in the evening, then partly cloudy with a chance of showers
and a slight chance of thunderstorms after midnight. A slight
chance of waterspouts after midnight. Waves 2 to 4 feet subsiding
to 1 to 3 feet early in the morning.
.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 waterspouts until late
afternoon. A chance of showers until late afternoon, then a
slight chance of showers early in the afternoon. Waves 2 to
4 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Mostly sunny. Waves
1 to 3 feet.

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

$$

LHZ442-110345-
Harbor Beach to Port Sanilac MI-
338 PM EDT Fri Oct 10 2025

.TONIGHT...Southwest winds 10 to 15 knots veering to the west
after midnight. Cloudy in the evening becoming partly cloudy. A
chance of showers. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots veering to the north
in the late morning and afternoon. Partly cloudy until late
afternoon then clearing. 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.
.SUNDAY...East winds 10 to 15 knots. Mostly sunny. Waves 1 to
3 feet.

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

$$

LHZ443-110345-
Port Sanilac to Port Huron MI-
338 PM EDT Fri Oct 10 2025

.TONIGHT...Southwest winds 10 to 15 knots veering to the west
after midnight. Mostly cloudy in the evening becoming partly
cloudy. A chance of showers. Waves 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 15 knots veering to the north
early in the afternoon. Partly cloudy with a chance of showers
until late afternoon, then mostly sunny with a slight chance of
showers early in the afternoon. A slight chance of waterspouts in
the late morning and afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...East winds 10 to 15 knots. Mostly clear. Waves
1 to 3 feet.
.SUNDAY...East winds 10 to 15 knots. Mostly sunny. Waves 1 to
3 feet.

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

$$

LEZ444-110345-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
338 PM EDT Fri Oct 10 2025

.TONIGHT...Southwest winds 10 to 15 knots becoming northwest 5 to
10 knots early in the morning. Partly cloudy in the evening
becoming mostly cloudy. A slight chance of showers. 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.
.SUNDAY...Northeast winds 5 to 10 knots becoming east 10 to
15 knots in the late morning and afternoon. Mostly sunny. 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