265
FZUS53 KDTX 061946
NSHDTX

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

LHZ422-070400-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
346 PM EDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...Southwest winds 10 to 15 knots veering to the
northwest this evening, then veering to the northeast after
midnight. Rain showers and a chance of thunderstorms. Waves
2 feet or less.
.TUESDAY...North winds 10 to 15 knots becoming northwest 5 to
10 knots in the late morning and afternoon. Rain showers early in
the morning, then mostly 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...Northwest winds 15 to 20 knots with gusts to 25
knots. Clear. Waves 1 to 3 feet building to 2 to 4 feet in the
late evening and overnight.
.WEDNESDAY...North winds 15 to 20 knots with gusts to 25 knots
becoming northeast 10 to 15 knots early in the afternoon. Sunny.
Waves 1 to 3 feet.

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

$$

LHZ421-070400-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
346 PM EDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...

.TONIGHT...West winds 10 to 15 knots veering to the north in the
late evening and overnight. Rain showers and a chance of
thunderstorms. 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 mostly 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 15 to 20 knots becoming north
20 to 25 knots in the late evening and overnight. Clear. Waves
2 to 4 feet building to 5 to 7 feet in the late evening and
overnight. Waves occasionally around 10 feet.
.WEDNESDAY...North winds 15 to 20 knots. Sunny. Waves 4 to
6 feet. Waves occasionally around 8 feet.

Small Craft Advisory conditions are expected to continue beyond
the forecast period. Please refer to the Open Lakes Forecast for
more information.

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

$$

LHZ441-070400-
Port Austin to Harbor Beach MI-
346 PM EDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...

.TONIGHT...West winds 10 to 15 knots veering to the north in the
late evening and overnight. Rain showers and a chance of
thunderstorms. 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 a
chance of showers in the late morning and early afternoon. A
slight chance of showers early in the afternoon. Waves 2 to
4 feet.
.TUESDAY NIGHT...Northwest winds 15 to 20 knots becoming north
20 to 25 knots with gusts to 30 knots in the late evening and
overnight. Mostly clear. Waves 2 to 4 feet building to 6 to
9 feet in the late evening and overnight. Waves occasionally
around 12 feet.
.WEDNESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 5 to
7 feet. Waves occasionally around 10 feet.

Small Craft Advisory conditions are expected to continue beyond
the forecast period. Please refer to the Open Lakes Forecast for
more information.

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

$$

LHZ442-070400-
Harbor Beach to Port Sanilac MI-
346 PM EDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...

.TONIGHT...Southwest winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight, then becoming north 10 to 15 knots early
in the morning. A chance of thunderstorms and a slight chance of
showers in the evening, then showers and a 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 and a slight chance of
thunderstorms early in the morning, then showers likely in the
late morning and early afternoon. A slight chance of showers
early in the afternoon. Waves 2 to 4 feet.
.TUESDAY NIGHT...Northwest winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and overnight. Mostly clear.
Waves 1 to 3 feet building to 5 to 7 feet in the late evening and
overnight. Waves occasionally around 10 feet.
.WEDNESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 5 to
7 feet. Waves occasionally around 10 feet.

Small Craft Advisory conditions are expected to continue beyond
the forecast period. Please refer to the Open Lakes Forecast for
more information.

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

$$

LHZ443-070400-
Port Sanilac to Port Huron MI-
346 PM EDT Mon Oct 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH
WEDNESDAY EVENING...

.TONIGHT...Southwest winds 10 to 15 knots veering to the west
early in the morning. Partly cloudy with showers likely and a
chance of thunderstorms in the evening, then showers and a chance
of thunderstorms after midnight. Waves 2 feet or less.
.TUESDAY...North winds 10 to 15 knots. Rain showers in the
morning. A slight chance of thunderstorms. Light showers likely
in the afternoon. Waves 2 to 4 feet.
.TUESDAY NIGHT...North winds 10 to 15 knots increasing to 20 to
25 knots. 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.
.WEDNESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 4 to
6 feet. Waves occasionally around 8 feet.

Small Craft Advisory conditions are expected to continue beyond
the forecast period. Please refer to the Open Lakes Forecast for
more information.

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

$$

LEZ444-070400-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
346 PM EDT Mon Oct 6 2025

.TONIGHT...Southwest winds 10 to 15 knots. Mostly clear in the
evening becoming mostly cloudy. A chance of showers and
thunderstorms. Waves 1 to 3 feet.
.TUESDAY...Southwest 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 slight 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 then
clearing. Light showers likely early in the evening. Waves 1 to
3 feet.
.WEDNESDAY...North winds 15 to 20 knots diminishing to 10 to
15 knots in the late morning and afternoon. Sunny. 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.

$$

SF

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