742
FZUS53 KDTX 060733
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
333 AM EDT Mon Oct 6 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.

LHZ422-061545-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
333 AM EDT Mon Oct 6 2025

.TODAY...Southwest winds 15 to 20 knots diminishing to 10 to
15 knots in the late morning and afternoon. Mostly sunny. A
chance of showers in the afternoon. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 10 to 15 knots veering to the
northeast in the late evening and overnight. Rain showers and a
chance of thunderstorms until early morning, then showers and a
slight chance of thunderstorms after midnight. Waves 2 feet or
less.
.TUESDAY...North winds 10 to 15 knots backing to the northwest
early in the afternoon. Rain showers early in the morning, then
partly cloudy with a chance of showers in the late morning and
early afternoon. Partly cloudy early in the afternoon. Waves
2 feet or less.
.TUESDAY NIGHT...North winds 15 to 20 knots. Clear. Waves 1 to
3 feet building to 2 to 4 feet in the late evening and overnight.

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

$$

LHZ421-061545-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
333 AM EDT Mon Oct 6 2025

.TODAY...Southwest winds 15 to 20 knots diminishing to 10 to
15 knots late in the afternoon. Mostly sunny. A chance of showers
in the afternoon. Waves 1 to 3 feet.
.TONIGHT...Northwest winds 10 to 15 knots veering to the
northeast in the late evening and overnight. Rain showers and a
chance of thunderstorms until early morning, then showers and a
slight chance of thunderstorms after midnight. Waves 1 to 3 feet.
.TUESDAY...North winds 10 to 15 knots becoming northwest 5 to
10 knots early in the afternoon. Rain showers early in the
morning, then partly cloudy with a chance of showers in the late
morning and early afternoon. Partly cloudy early in the
afternoon. Waves 1 to 3 feet.
.TUESDAY NIGHT...Northwest winds 20 to 25 knots. Clear. Waves 2 to 4
feet building to 5 to 7 feet in the late evening and overnight. Waves
occasionally around 10 feet. A Small Craft Advisory may be needed.

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

$$

LHZ441-061545-
Port Austin to Harbor Beach MI-
333 AM EDT Mon Oct 6 2025

.TODAY...Southwest winds 15 to 20 knots diminishing to 10 to
15 knots in the afternoon. Mostly sunny. A chance of showers in
the afternoon. Waves 1 to 3 feet.
.TONIGHT...West winds 10 to 15 knots veering to the north in the
late evening and overnight. Rain showers and a chance of
thunderstorms until early morning, then showers and a slight
chance of thunderstorms after midnight. Waves 1 to 3 feet.
.TUESDAY...North winds 10 to 15 knots. Becoming partly cloudy
early in the afternoon. Rain showers early in the morning, then
showers likely in the late morning and early afternoon. Waves
2 to 4 feet subsiding to 1 to 3 feet early in the afternoon.
.TUESDAY NIGHT...Northwest winds 20 to 25 knots. Gusts to 30 knots in
the late evening and early morning. Mostly clear. Waves 2 to 4 feet
building to 6 to 9 feet in the late evening and overnight. Waves
occasionally around 12 feet. A Small Craft Advisory may be needed.

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

$$

LHZ442-061545-
Harbor Beach to Port Sanilac MI-
333 AM EDT Mon Oct 6 2025

.TODAY...Southwest winds 10 to 15 knots. Mostly sunny. A slight
chance of showers in the afternoon. Waves 2 feet or less.
.TONIGHT...Southwest winds 10 to 15 knots becoming west 5 to
10 knots in the late evening and early morning, then becoming
northwest 10 to 15 knots after midnight. Partly cloudy early in
the evening. A chance of thunderstorms and a slight chance of
showers early in the evening, then showers and a chance of
thunderstorms in the late evening and overnight. Waves 1 to
3 feet.
.TUESDAY...North winds 10 to 15 knots. Becoming partly cloudy
early in the afternoon. Rain showers until late afternoon, then a
chance of showers early in the afternoon. Waves 2 to 4 feet.
.TUESDAY NIGHT...North winds 15 to 20 knots. Partly cloudy early in
the evening then clearing. A chance of showers early in the evening.
Waves 1 to 3 feet building to 5 to 7 feet in the late evening and
overnight. Waves occasionally around 10 feet. A Small Craft Advisory
may be needed.

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

$$

LHZ443-061545-
Port Sanilac to Port Huron MI-
333 AM EDT Mon Oct 6 2025

.TODAY...Southwest winds 10 to 15 knots. Mostly sunny. Waves
2 feet or less.
.TONIGHT...Southwest winds 10 to 15 knots veering to the west
after midnight. Partly cloudy until early morning. Light showers
likely in the evening. A chance of thunderstorms. Showers after
midnight. Waves 2 feet or less.
.TUESDAY...North winds 10 to 15 knots. Rain showers until late
afternoon. A chance of showers early in the afternoon. Waves 1 to
3 feet building to 2 to 4 feet in the late morning and afternoon.
.TUESDAY NIGHT...North winds 10 to 15 knots increasing to 20 to 25
knots in the late evening and overnight. Mostly clear. A chance of
showers early in the evening. Waves 2 to 4 feet building to 4 to 6
feet in the late evening and overnight. Waves occasionally around 8
feet. A Small Craft Advisory may be needed.

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

$$

LEZ444-061545-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
333 AM EDT Mon Oct 6 2025

.TODAY...Southwest winds 10 to 15 knots becoming south 5 to
10 knots in the late morning and afternoon. Mostly sunny. Waves
2 feet or less.
.TONIGHT...Southwest winds 10 to 15 knots. Partly cloudy until
early morning. A chance of showers and a slight chance of
thunderstorms until early morning, then showers and a chance of
thunderstorms after midnight. Waves 1 to 3 feet.
.TUESDAY...West winds 10 to 15 knots veering to the north early
in the afternoon. Showers and a chance of thunderstorms until
late afternoon, then showers likely and a chance of thunderstorms
early in the afternoon. Waves 2 feet or less.
.TUESDAY NIGHT...North winds 10 to 15 knots increasing to 15 to
20 knots after midnight. Mostly cloudy early in the evening
becoming mostly clear. Light showers likely early in the evening.
Waves 1 to 3 feet.

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

The water temperature at Belle Isle is 69 degrees.

$$

SC

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