Station List

National Weather Service Marine Forecast FZUS53 KDTX

FZUS53 KDTX 151435
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
935 AM EST Mon Dec 15 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.

LHZ422-152245
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI
935 AM EST Mon Dec 15 2025

GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT

REST OF TODAY
Southwest winds to 30 knots with gusts to 35 knot gales diminishing to 20 to 25 knots late in the afternoon. Cloudy with light snow showers likely.

TONIGHT
Southwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly cloudy with a slight chance of light snow showers early in the evening, then partly cloudy in the late evening and overnight.

TUESDAY
Southwest winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots early in the afternoon. Mostly cloudy.

TUESDAY NIGHT
Southwest winds to 30 knots with gusts to 35 knot gales. Mostly cloudy.

Waves omitted due to ice coverage.

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

LHZ421-152245
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay
935 AM EST Mon Dec 15 2025

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT

REST OF TODAY
Southwest winds to 20 to 25 knots with gusts to 30 knots. Light snow showers late in the morning, then a chance of light snow showers in the afternoon. Freezing spray. Waves 5 to 7 feet. Waves occasionally around 9 feet.

TONIGHT
West winds 20 to 25 knots becoming southwest 10 to 15 knots. Mostly cloudy with a slight chance of light snow showers early in the evening, then partly cloudy in the late evening and overnight. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally around 7 feet.

TUESDAY
Southwest winds 15 to 20 knots increasing to 30 knots with gusts to 35 knot gales. Mostly cloudy. Waves 1 to 3 feet building to 4 to 6 feet in the late morning and afternoon. Waves occasionally around 8 feet.

TUESDAY NIGHT
Southwest gales to 35 knot gales diminishing to 30 knots after midnight. Mostly cloudy. Waves 6 to 9 feet. Waves occasionally around 12 feet.

Wave heights are for ice free areas.

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

LHZ441-152245
Port Austin to Harbor Beach MI
935 AM EST Mon Dec 15 2025

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT

REST OF TODAY
Southwest winds to 30 knots diminishing to 20 to 25 knots late in the afternoon. Light snow showers. Waves 4 to 6 feet. Waves occasionally around 8 feet.

TONIGHT
West winds 20 to 25 knots becoming southwest 10 to 15 knots. Mostly cloudy with a chance of light snow showers early in the evening, then partly cloudy in the late evening and overnight. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally around 7 feet.

TUESDAY
Southwest winds 15 to 20 knots increasing to 30 knots. Partly cloudy early in the morning becoming mostly cloudy. Waves 1 to 3 feet building to 3 to 5 feet early in the afternoon. Waves occasionally around 7 feet.

TUESDAY NIGHT
Southwest winds to 30 knots with gusts to 35 knot gales. Mostly cloudy. Waves 5 to 7 feet. Waves occasionally around 10 feet.

Wave heights are for ice free areas.

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

LHZ442-152245
Harbor Beach to Port Sanilac MI
935 AM EST Mon Dec 15 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON

REST OF TODAY
Southwest winds 20 to 25 knots. Gusts to 30 knots in the late morning and early afternoon. Mostly cloudy. Light snow showers likely late in the morning, then a chance of light snow showers in the afternoon. Waves 2 to 4 feet.

TONIGHT
Southwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly cloudy early in the evening becoming partly cloudy. A slight chance of light snow showers early in the evening. Waves 1 to 3 feet.

TUESDAY
Southwest winds 10 to 15 knots becoming south 20 to 25 knots with gusts to 30 knots. Partly cloudy early in the morning becoming mostly cloudy. Waves 1 to 3 feet building to 3 to 5 feet early in the afternoon. Waves occasionally around 7 feet.

TUESDAY NIGHT
Southwest winds 20 to 25 knots. Gusts to 30 knots until early morning. Mostly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet.

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

LHZ443-152245
Port Sanilac to Port Huron MI
935 AM EST Mon Dec 15 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON

REST OF TODAY
Southwest winds 20 to 25 knots. Gusts to 30 knots early in the afternoon. Cloudy with light snow showers likely. Waves 2 to 4 feet.

TONIGHT
Southwest winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Mostly cloudy early in the evening becoming partly cloudy. Waves 1 to 3 feet.

TUESDAY
Southwest winds 10 to 15 knots becoming south 20 to 25 knots with gusts to 30 knots. Mostly cloudy until late afternoon becoming partly cloudy. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon.

TUESDAY NIGHT
Southwest winds to 30 knots diminishing to 20 to 25 knots after midnight. Mostly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet.

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

LEZ444-152245
Michigan Waters of Lake Erie from Detroit River to North Cape MI
935 AM EST Mon Dec 15 2025

SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EST THIS AFTERNOON

REST OF TODAY
Southwest winds 15 to 20 knots increasing to 20 to 25 knots early in the afternoon, then diminishing to 15 to 20 knots late in the afternoon. Gusts to 30 knots. Mostly cloudy. A slight chance of light snow showers late in the morning. Waves 2 to 4 feet.

TONIGHT
Southwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet.

TUESDAY
Southwest winds 10 to 15 knots increasing to 15 to 20 knots early in the afternoon. Partly cloudy. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon.

TUESDAY NIGHT
Southwest winds 20 to 25 knots. Partly cloudy until early morning becoming mostly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet.

Wave heights are for ice free areas.

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

The water temperature at Belle Isle is 32 degrees.

MANN

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