227
FZUS53 KDTX 072003
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
403 PM EDT Tue Oct 7 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.

LHZ422-080400-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
403 PM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH WEDNESDAY MORNING...

.TONIGHT...Northwest winds 10 to 15 knots increasing to 15 to
20 knots this evening, then becoming north 20 to 25 knots after
midnight diminishing to 15 to 20 knots early in the morning.
Clear. Waves 2 feet or less building to 2 to 4 feet after
midnight.
.WEDNESDAY...North winds 15 to 20 knots becoming northeast 10 to
15 knots early in the afternoon. Sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots becoming north
5 to 10 knots after midnight. Clear. Waves 2 feet or less.
.THURSDAY...Northeast winds 5 to 10 knots veering to the east in
the late morning and afternoon. Sunny. Waves 2 feet or less.

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

$$

LHZ421-080400-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
403 PM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH WEDNESDAY EVENING...

.TONIGHT...North winds 10 to 15 knots increasing to 20 to
25 knots. Clear. Waves 2 feet or less building to 5 to 7 feet.
Waves occasionally around 10 feet.
.WEDNESDAY...North winds 15 to 20 knots. Sunny. Waves 4 to
6 feet. Waves occasionally around 7 feet.
.WEDNESDAY NIGHT...North winds 15 to 20 knots diminishing to 5 to
10 knots. Clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after
midnight.
.THURSDAY...North winds 5 to 10 knots veering to the south early
in the afternoon. Sunny. Waves 2 feet or less.

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

$$

LHZ441-080400-
Port Austin to Harbor Beach MI-
403 PM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH WEDNESDAY EVENING...

.TONIGHT...North winds 10 to 15 knots increasing to 20 to
25 knots. Mostly clear. Waves 2 to 4 feet building to 6 to
9 feet. Waves occasionally around 12 feet.
.WEDNESDAY...North winds 15 to 20 knots. Partly cloudy until late
afternoon then clearing. Waves 5 to 7 feet. Waves occasionally
around 10 feet.
.WEDNESDAY NIGHT...North winds 15 to 20 knots becoming northeast
5 to 10 knots. Mostly clear. Waves 3 to 5 feet subsiding to 1 to
3 feet after midnight. Waves occasionally around 7 feet.
.THURSDAY...East winds 5 to 10 knots veering to the southeast
early in the afternoon. Mostly sunny. Waves 2 feet or less.

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

$$

LHZ442-080400-
Harbor Beach to Port Sanilac MI-
403 PM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH WEDNESDAY EVENING...

.TONIGHT...North winds 15 to 20 knots becoming northwest 10 to
15 knots this evening, then becoming north 20 to 25 knots after
midnight diminishing to 15 to 20 knots early in the morning.
Mostly clear. Waves 2 to 4 feet building to 5 to 7 feet after
midnight. Waves occasionally around 10 feet.
.WEDNESDAY...North winds 15 to 20 knots. Mostly sunny becoming
partly cloudy in the late morning and early afternoon becoming
mostly sunny. Waves 5 to 7 feet. Waves occasionally around
10 feet.
.WEDNESDAY NIGHT...North winds 15 to 20 knots becoming northeast
10 to 15 knots in the late evening and overnight. Mostly clear.
Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. Waves
occasionally around 7 feet.
.THURSDAY...East winds 5 to 10 knots. Partly cloudy early in the
morning then clearing. Waves 1 to 3 feet.

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

$$

LHZ443-080400-
Port Sanilac to Port Huron MI-
403 PM EDT Tue Oct 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING
THROUGH WEDNESDAY EVENING...

.TONIGHT...North winds 15 to 20 knots becoming northwest 10 to
15 knots this evening, then becoming north 15 to 20 knots after
midnight. Partly cloudy with a chance of showers in the evening,
then clear after midnight. Waves 3 to 5 feet. Waves occasionally
around 7 feet.
.WEDNESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 4 to
6 feet. Waves occasionally around 7 feet.
.WEDNESDAY NIGHT...North winds 15 to 20 knots becoming northeast
10 to 15 knots after midnight. Mostly clear. Waves 3 to 5 feet.
Waves occasionally around 7 feet.
.THURSDAY...East winds 5 to 10 knots. Partly cloudy early in the
morning then clearing. Waves 1 to 3 feet.

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

$$

LEZ444-080400-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
403 PM EDT Tue Oct 7 2025

.TONIGHT...North winds 15 to 20 knots diminishing to 10 to
15 knots in the late evening and early morning, then increasing
to 15 to 20 knots early in the morning. Mostly cloudy with
showers likely and a chance of thunderstorms in the evening, then
clear after midnight. Waves 1 to 3 feet.
.WEDNESDAY...North winds 15 to 20 knots diminishing to 10 to
15 knots early in the afternoon. Sunny. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Clear. Waves
1 to 3 feet.
.THURSDAY...Northeast winds 10 to 15 knots becoming east 5 to
10 knots early in the 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.

$$

TF

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