FZUS53 KDTX 121401 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 1001 AM 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. LHZ422-122200- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 1001 AM EDT Sun Apr 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY MORNING... .REST OF TODAY...South winds 15 to 20 knots. Rain showers and a slight chance of thunderstorms late in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...Southwest winds 20 to 25 knots increasing to 30 knots in the late evening and overnight. Rain showers likely and a chance of thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and early morning. Rain showers in the late evening and overnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. .MONDAY...Southwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots early in the afternoon. Mostly cloudy with a slight chance of showers until late afternoon, then partly cloudy early in the afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 7 feet. .MONDAY NIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Partly cloudy early in the evening. Light showers likely until early morning. A chance of thunderstorms in the late evening and overnight. Light showers after midnight. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-122200- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 1001 AM EDT Sun Apr 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY MORNING... .REST OF TODAY...Southeast winds 15 to 20 knots. Rain showers late in the morning, then showers likely and a slight chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .TONIGHT...South winds 20 to 25 knots becoming southwest to 30 knots in the late evening and overnight. Rain showers likely in the evening. A slight chance of thunderstorms. Rain showers after midnight. Waves 4 to 6 feet building to 5 to 7 feet after midnight. Waves occasionally around 10 feet. .MONDAY...Southwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy with a slight chance of showers until late afternoon, then partly cloudy early in the afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 8 feet. .MONDAY NIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Partly cloudy early in the evening. A chance of showers until early morning. A chance of thunderstorms in the late evening and overnight. Light showers after midnight. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-122200- Port Austin to Harbor Beach MI- 1001 AM EDT Sun Apr 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TODAY...Southeast winds 15 to 20 knots. Rain showers late in the morning, then showers likely and a slight chance of thunderstorms in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TONIGHT...South winds 15 to 20 knots becoming southwest 20 to 25 knots with gusts to 30 knots in the late evening and overnight. Rain showers likely in the evening. A slight chance of thunderstorms. Rain showers after midnight. Waves 3 to 5 feet. Waves occasionally around 6 feet. .MONDAY...Southwest winds 20 to 25 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 3 to 5 feet. Waves occasionally around 7 feet. .MONDAY NIGHT...Southwest 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 early in the evening. A chance of showers until early morning. A chance of thunderstorms in the late evening and overnight. Light showers after midnight. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-122200- Harbor Beach to Port Sanilac MI- 1001 AM EDT Sun Apr 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TODAY...Southeast winds 15 to 20 knots. Rain showers and a slight chance of thunderstorms late in the morning, then showers likely and a slight chance of thunderstorms in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TONIGHT...South winds 15 to 20 knots becoming southwest 20 to 25 knots in the late evening and overnight. Mostly cloudy. Light showers likely and a slight chance of thunderstorms. Waves 3 to 5 feet. Waves occasionally around 7 feet. .MONDAY...Southwest winds 20 to 25 knots becoming west 10 to 15 knots. Mostly cloudy with a chance of showers until late afternoon, then partly cloudy early in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .MONDAY NIGHT...Southwest winds 10 to 15 knots becoming south 5 to 10 knots in the late evening and early morning, then increasing to 10 to 15 knots after midnight. Partly cloudy early in the evening. A chance of showers until early morning. A chance of thunderstorms in the late evening and overnight. Light showers after midnight. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-122200- Port Sanilac to Port Huron MI- 1001 AM EDT Sun Apr 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY MORNING... .REST OF TODAY...Southeast winds 15 to 20 knots. Mostly cloudy. Rain showers likely and a slight chance of thunderstorms late in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Waves 2 to 4 feet. .TONIGHT...South winds 15 to 20 knots becoming southwest 20 to 25 knots in the late evening and overnight. A slight chance of thunderstorms early in the evening. A chance of showers until early morning, then showers after midnight. Waves 2 to 4 feet. .MONDAY...Southwest winds 20 to 25 knots diminishing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy with a chance of showers until late afternoon, then partly cloudy early in the 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 becoming south 15 to 20 knots after midnight. Partly cloudy early in the evening. A chance of showers until early morning. Light showers and a chance of thunderstorms after midnight. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-122200- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 1001 AM EDT Sun Apr 12 2026 .REST OF TODAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots late in the afternoon. Mostly cloudy late in the morning becoming partly cloudy. A slight chance of showers late in the morning. Waves 1 to 3 feet. .TONIGHT...Southwest winds 15 to 20 knots. Partly cloudy early in the evening becoming mostly cloudy. A slight chance of showers in the late evening and early morning. Light showers likely after midnight. Waves 2 to 4 feet. .MONDAY...Southwest winds 15 to 20 knots. Mostly cloudy with a chance of showers until late afternoon, then partly cloudy early in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .MONDAY NIGHT...Southwest winds 10 to 15 knots. Partly cloudy early in the evening becoming mostly cloudy. A chance of showers. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 46 degrees. $$ TF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes