FZUS53 KDTX 121958 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 358 PM EDT Sun Apr 12 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. LHZ422-130400- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 358 PM EDT Sun Apr 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY MORNING... .TONIGHT...South winds 20 to 25 knots becoming southwest to 30 knots in the late evening and overnight. A chance of showers and a slight chance of thunderstorms in the evening, then showers after midnight. Waves 3 to 5 feet. Waves occasionally around 6 feet. .MONDAY...Southwest winds 20 to 25 knots with gusts to 30 knots becoming west 15 to 20 knots early in the afternoon. Mostly cloudy with a slight chance of showers early in the morning, then partly cloudy in the late morning and afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 7 feet. .MONDAY NIGHT...Southwest winds 10 to 15 knots backing to the southeast in the late evening and overnight. Partly cloudy early in the evening. A chance of showers until early morning. A chance of thunderstorms in the late evening and overnight. Rain showers after midnight. Waves 1 to 3 feet. .TUESDAY...Southwest winds 15 to 20 knots. Rain showers and a chance of thunderstorms early in the morning, then partly cloudy with a chance of showers in the late morning and afternoon. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-130400- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 358 PM EDT Sun Apr 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY MORNING... .TONIGHT...South winds 20 to 25 knots with gusts to 30 knots becoming southwest to 30 knots after midnight. A chance of showers and a slight chance of thunderstorms in the evening, then showers after midnight. Waves 3 to 5 feet building to 5 to 7 feet after midnight. Waves occasionally around 10 feet. .MONDAY...Southwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy with a chance of showers early in the morning, then partly cloudy in the late morning and afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 8 feet. .MONDAY NIGHT...South winds 10 to 15 knots backing to the southeast in the late evening and overnight. Partly cloudy early in the evening. A chance of showers until early morning. A chance of thunderstorms in the late evening and overnight. Rain showers after midnight. Waves 1 to 3 feet. .TUESDAY...Southwest winds 15 to 20 knots. Becoming partly cloudy early in the afternoon. Rain showers and a chance of thunderstorms early in the morning, then a chance of showers in the late morning and afternoon. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-130400- Port Austin to Harbor Beach MI- 358 PM EDT Sun Apr 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...South winds 15 to 20 knots becoming southwest 20 to 25 knots with gusts to 30 knots in the late evening and overnight. Mostly cloudy. A chance of showers and a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Waves 3 to 5 feet. Waves occasionally around 6 feet. .MONDAY...Southwest winds 20 to 25 knots with gusts to 30 knots becoming west 15 to 20 knots in the late morning and afternoon. Mostly cloudy with a chance of showers early in the morning, then partly cloudy in the late morning and afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. .MONDAY NIGHT...Southwest winds 10 to 15 knots becoming east 5 to 10 knots in the late evening and early morning, then becoming southeast 10 to 15 knots after midnight. Partly cloudy early in the evening. A chance of showers until early morning. A chance of thunderstorms in the late evening and overnight. Rain showers after midnight. Waves 2 feet or less. .TUESDAY...Southwest winds 15 to 20 knots. Mostly cloudy until late afternoon becoming partly cloudy. A chance of thunderstorms early in the morning. A chance of showers. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-130400- Harbor Beach to Port Sanilac MI- 358 PM EDT Sun Apr 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...South winds 15 to 20 knots becoming southwest 20 to 25 knots with gusts to 30 knots after midnight. A slight chance of showers in the evening, then showers after midnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. .MONDAY...Southwest winds 20 to 25 knots becoming west 10 to 15 knots. Mostly cloudy becoming partly cloudy in the late morning and early afternoon becoming mostly sunny. A chance of showers early in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .MONDAY NIGHT...Northwest winds 5 to 10 knots veering to the southeast in the late evening and early morning, then becoming south 10 to 15 knots after midnight. Partly cloudy early in the evening. A chance of showers until early morning. A chance of thunderstorms in the late evening and overnight. Rain showers after midnight. Waves 2 feet or less. .TUESDAY...Southwest winds 15 to 20 knots. Mostly cloudy until late afternoon becoming partly cloudy. A chance of thunderstorms early in the morning. A chance of showers, then a chance of thunderstorms early in the afternoon. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-130400- Port Sanilac to Port Huron MI- 358 PM EDT Sun Apr 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY MORNING... .TONIGHT...South winds 15 to 20 knots becoming southwest 20 to 25 knots in the late evening and overnight. Light showers after midnight. Waves 2 to 4 feet. .MONDAY...Southwest winds 20 to 25 knots becoming west 15 to 20 knots in the late morning and afternoon. Mostly cloudy with a chance of showers early in the morning, then partly cloudy in the late morning and afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .MONDAY NIGHT...West winds 10 to 15 knots becoming southeast 5 to 10 knots in the late evening and early morning, then becoming south 10 to 15 knots after midnight. Partly cloudy until early morning, then cloudy with showers likely and a chance of thunderstorms after midnight. Waves 2 feet or less. .TUESDAY...Southwest winds 15 to 20 knots. Mostly cloudy until late afternoon becoming partly cloudy. Light showers likely and a chance of thunderstorms early in the morning, then a chance of showers in the late morning and early afternoon. Light showers likely and a chance of thunderstorms early in the afternoon. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-130400- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 358 PM EDT Sun Apr 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY MORNING... .TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Partly cloudy in the evening, then mostly cloudy with showers likely after midnight. Waves 2 to 4 feet. .MONDAY...Southwest winds 15 to 20 knots. Mostly cloudy with a chance of showers early in the morning, then partly cloudy in the late morning and afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .MONDAY NIGHT...Southwest winds 10 to 15 knots. Partly cloudy with a chance of showers early in the evening, then mostly cloudy with a chance of showers and thunderstorms in the late evening and overnight. Waves 1 to 3 feet. .TUESDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy until late afternoon becoming partly cloudy. A chance of showers and thunderstorms. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 46 degrees. $$ KGK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes