National Weather Service Marine Forecast FZUS53 KDTX

FZUS53 KDTX 171400
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1000 AM EDT Wed Jun 17 2026

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.

LHZ422-172200
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI
1000 AM EDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH THURSDAY EVENING

REST OF TODAY
Southwest winds 10 to 15 knots. Partly cloudy late in the morning, then mostly cloudy with a chance of showers in the afternoon. Waves 2 feet or less.

TONIGHT
Southeast winds 15 to 20 knots with gusts to 25 knots becoming southwest 10 to 15 knots after midnight. Rain showers and a chance of thunderstorms until early morning, then a slight chance of showers after midnight. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and early morning, then subsiding to 1 to 3 feet after midnight.

THURSDAY
West winds 15 to 20 knots. Mostly cloudy with a slight chance of showers early in the morning, then partly cloudy in the late morning and afternoon. Waves 1 to 3 feet.

THURSDAY NIGHT
West winds 15 to 20 knots. Mostly clear. Waves 1 to 3 feet.

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

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LHZ421-172200
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay
1000 AM EDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH THURSDAY EVENING

REST OF TODAY
Southwest winds 10 to 15 knots. Partly cloudy late in the morning, then mostly cloudy with a chance of showers in the afternoon. Waves 2 feet or less.

TONIGHT
Southeast winds 15 to 20 knots with gusts to 25 knots becoming southwest 10 to 15 knots after midnight. Rain showers and a chance of thunderstorms until early morning, then a chance of showers after midnight. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet.

THURSDAY
West winds 15 to 20 knots. Mostly cloudy with a slight chance of showers until late afternoon, then partly cloudy early in the afternoon. Waves 2 to 4 feet.

THURSDAY NIGHT
West winds 15 to 20 knots. Mostly clear. Waves 2 to 4 feet.

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

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LHZ441-172200
Port Austin to Harbor Beach MI
1000 AM EDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH THURSDAY EVENING

REST OF TODAY
Southwest winds 10 to 15 knots becoming south 5 to 10 knots in the afternoon. Partly cloudy late in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Waves 2 feet or less.

TONIGHT
South winds 15 to 20 knots becoming southeast 20 to 25 knots in the late evening and early morning, then becoming south 15 to 20 knots after midnight. Rain showers and a chance of thunderstorms until early morning, then showers likely after midnight. Patchy fog in the late evening and early morning. Waves 1 to 3 feet building to 5 to 7 feet in the late evening and overnight. Waves occasionally around 10 feet.

THURSDAY
West winds 15 to 20 knots. Mostly cloudy with a slight chance of showers until late afternoon, then partly cloudy early in the afternoon. Waves 2 to 4 feet.

THURSDAY NIGHT
West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight.

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

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LHZ442-172200
Harbor Beach to Port Sanilac MI
1000 AM EDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH THURSDAY EVENING

REST OF TODAY
South winds 5 to 10 knots. Partly cloudy late in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Waves 2 feet or less.

TONIGHT
South winds 15 to 20 knots becoming southeast 20 to 25 knots with gusts to 30 knots in the late evening and early morning, then becoming southwest 15 to 20 knots after midnight. Rain showers and a chance of thunderstorms until early morning, then a chance of showers after midnight. Patchy fog in the late evening and early morning. Waves 2 to 4 feet building to 5 to 7 feet in the late evening and overnight. Waves occasionally around 10 feet.

THURSDAY
West winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Partly cloudy with a slight chance of showers until late afternoon, then mostly cloudy early in the afternoon. Waves 1 to 3 feet.

THURSDAY NIGHT
West winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 1 to 3 feet.

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

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LHZ443-172200
Port Sanilac to Port Huron MI
1000 AM EDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH THURSDAY EVENING

REST OF TODAY
Southwest winds 5 to 10 knots becoming south 10 to 15 knots late in the afternoon. Partly cloudy late in the morning, then mostly cloudy with a chance of showers in the afternoon. Waves 2 feet or less.

TONIGHT
South winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the late evening and early morning, then becoming southwest 15 to 20 knots after midnight. Mostly cloudy. Rain showers likely early in the evening. A chance of thunderstorms until early morning. A chance of showers in the late evening and overnight. Patchy fog in the late evening and early morning. Locally heavy rainfall possible 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.

THURSDAY
West winds 15 to 20 knots. Partly cloudy with a slight chance of showers. Waves 1 to 3 feet.

THURSDAY NIGHT
West winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 1 to 3 feet.

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

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LEZ444-172200
Michigan Waters of Lake Erie from Detroit River to North Cape MI
1000 AM EDT Wed Jun 17 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH THURSDAY EVENING

REST OF TODAY
Southwest winds 10 to 15 knots. Mostly sunny late in the morning, then mostly cloudy with a chance of showers and a slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Waves 2 feet or less.

TONIGHT
South winds 20 to 25 knots increasing to 30 knots in the late evening and early morning, then becoming southwest 20 to 25 knots after midnight. Gusts to 35 knot gales. Becoming partly cloudy after midnight. Showers and a chance of thunderstorms until early morning, then a chance of showers and a slight chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible until early morning. Waves 4 to 6 feet. Waves occasionally around 8 feet.

THURSDAY
West winds 20 to 25 knots with gusts to 30 knots. Mostly sunny early in the morning becoming partly cloudy. A slight chance of showers early in the morning. Waves 2 to 4 feet.

THURSDAY NIGHT
West winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Partly cloudy early in the evening then clearing. Waves 1 to 3 feet.

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

The water temperature at Belle Isle is 64 degrees.

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DRK

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