FZUS53 KDTX 120213
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1013 PM EDT Thu Sep 11 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.

LHZ422-121015
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI
1013 PM EDT Thu Sep 11 2025

REST OF TONIGHT
East winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Mostly clear. Patchy fog after midnight. Waves 2 feet or less.

FRIDAY
Light and variable winds becoming east 5 to 10 knots early in the afternoon. Mostly sunny. Patchy fog early in the morning. Waves 2 feet or less.

FRIDAY NIGHT
Southeast winds 5 to 10 knots veering to the southwest after midnight. Mostly clear. Waves 2 feet or less.

SATURDAY
South winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less.

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

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LHZ421-121015
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay
1013 PM EDT Thu Sep 11 2025

REST OF TONIGHT
Northeast winds 10 to 15 knots becoming east 5 to 10 knots after midnight. Mostly clear. Patchy fog after midnight. Waves 2 feet or less.

FRIDAY
Light and variable winds becoming east 5 to 10 knots early in the afternoon. Mostly sunny. Patchy fog early in the morning. Waves 2 feet or less.

FRIDAY NIGHT
Southeast winds 5 to 10 knots veering to the southwest after midnight. Partly cloudy. Waves 2 feet or less.

SATURDAY
Southwest winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less.

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

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LHZ441-121015
Port Austin to Harbor Beach MI
1013 PM EDT Thu Sep 11 2025

REST OF TONIGHT
East winds 5 to 10 knots. Mostly clear. Patchy fog after midnight. Waves 2 feet or less.

FRIDAY
Light and variable winds becoming east 5 to 10 knots early in the afternoon. Mostly sunny. Patchy fog early in the morning. Waves 2 feet or less.

FRIDAY NIGHT
Southeast winds 5 to 10 knots veering to the southwest after midnight. Partly cloudy. Waves 2 feet or less.

SATURDAY
Southwest winds 5 to 10 knots. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 feet or less.

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

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LHZ442-121015
Harbor Beach to Port Sanilac MI
1013 PM EDT Thu Sep 11 2025

REST OF TONIGHT
Northeast winds 5 to 10 knots. Mostly clear. Waves 2 feet or less.

FRIDAY
Northeast winds 5 to 10 knots early in the morning becoming light and variable, then becoming east 5 to 10 knots early in the afternoon. Mostly sunny. Waves 2 feet or less.

FRIDAY NIGHT
Southeast winds 5 to 10 knots veering to the southwest after midnight. Partly cloudy. Waves 2 feet or less.

SATURDAY
West winds 5 to 10 knots backing to the south early in the afternoon. Partly cloudy. Waves 2 feet or less.

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

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LHZ443-121015
Port Sanilac to Port Huron MI
1013 PM EDT Thu Sep 11 2025

REST OF TONIGHT
Northeast winds 5 to 10 knots. Mostly clear. Waves 2 feet or less.

FRIDAY
Northeast winds 5 to 10 knots early in the morning becoming light and variable, then becoming east 5 to 10 knots early in the afternoon. Mostly sunny. Waves 2 feet or less.

FRIDAY NIGHT
East winds 5 to 10 knots veering to the south in the late evening and overnight. Mostly clear. Waves 2 feet or less.

SATURDAY
Southwest winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less.

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

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LEZ444-121015
Michigan Waters of Lake Erie from Detroit River to North Cape MI
1013 PM EDT Thu Sep 11 2025

REST OF TONIGHT
Northeast winds 5 to 10 knots. Clear. Waves 2 feet or less.

FRIDAY
Light and variable winds becoming southeast 5 to 10 knots early in the afternoon. Mostly sunny. Waves 2 feet or less.

FRIDAY NIGHT
Southeast winds 5 to 10 knots veering to the south after midnight. Mostly clear. Waves 2 feet or less.

SATURDAY
Light and variable winds becoming southwest 5 to 10 knots in the late morning and afternoon. Partly cloudy. Waves 2 feet or less.

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

The water temperature at Belle Isle is 68 degrees.

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BT

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