FZUS53 KDTX 030710 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 310 AM EDT Sun May 3 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. LHZ422-031515- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 310 AM EDT Sun May 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...Southwest winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the afternoon. Mostly cloudy with a slight chance of showers. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. .TONIGHT...Southwest winds 20 to 25 knots with gusts to 35 knot gales diminishing to 10 to 15 knots after midnight. Partly cloudy. A slight chance of showers until early morning. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally around 7 feet. .MONDAY...Southwest winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the late morning and afternoon. Mostly sunny becoming partly cloudy in the late morning and early afternoon becoming mostly sunny. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. .MONDAY NIGHT...Southwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots in the late evening and early morning, then becoming northwest 10 to 15 knots after midnight. Partly cloudy. A chance of showers. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-031515- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 310 AM EDT Sun May 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...Southwest winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the afternoon. Mostly cloudy with a slight chance of showers. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. .TONIGHT...Southwest winds 20 to 25 knots with gusts to 30 knots diminishing to 10 to 15 knots after midnight. Partly cloudy. A slight chance of showers until early morning. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. Waves occasionally around 7 feet. .MONDAY...Southwest winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the late morning and afternoon. Mostly sunny early in the morning becoming partly cloudy. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. .MONDAY NIGHT...Southwest winds 20 to 25 knots diminishing to 15 to 20 knots in the late evening and early morning, then becoming northwest 10 to 15 knots after midnight. Partly cloudy until early morning becoming mostly cloudy. A chance of showers. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-031515- Port Austin to Harbor Beach MI- 310 AM EDT Sun May 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING... .TODAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Partly cloudy in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. .TONIGHT...Southwest winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Partly cloudy. A slight chance of showers until early morning. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally around 7 feet. .MONDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly sunny early in the morning becoming partly cloudy. Waves 2 feet or less building to 2 to 4 feet in the late morning and afternoon. .MONDAY NIGHT...Southwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and early morning, then veering to the northwest after midnight. Partly cloudy. A chance of showers. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-031515- Harbor Beach to Port Sanilac MI- 310 AM EDT Sun May 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING... .TODAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots late in the afternoon. Gusts to 25 knots. Partly cloudy in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Waves 1 to 3 feet. .TONIGHT...Southwest winds 15 to 20 knots. Partly cloudy. A slight chance of showers until early morning. Waves 1 to 3 feet. .MONDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots early in the afternoon. Mostly sunny early in the morning becoming partly cloudy. Waves 1 to 3 feet. .MONDAY NIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15 knots after midnight. Partly cloudy. A chance of showers. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-031515- Port Sanilac to Port Huron MI- 310 AM EDT Sun May 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING... .TODAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots late in the afternoon. Gusts to 25 knots. Partly cloudy in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Waves 1 to 3 feet. .TONIGHT...Southwest winds 15 to 20 knots. Mostly cloudy with a slight chance of showers until early morning, then partly cloudy after midnight. Waves 1 to 3 feet. .MONDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly sunny until late afternoon becoming partly cloudy. Waves 1 to 3 feet. .MONDAY NIGHT...Southwest winds 15 to 20 knots. Partly cloudy. A chance of showers. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-031515- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 310 AM EDT Sun May 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING... .TODAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the afternoon. Gusts to 25 knots. Mostly sunny. Waves 1 to 3 feet. .TONIGHT...Southwest winds 15 to 20 knots. Partly cloudy. A slight chance of showers until early morning. Waves 2 to 4 feet. .MONDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots early in the afternoon. Mostly sunny. A chance of showers early in the afternoon. Waves 1 to 3 feet. .MONDAY NIGHT...Southwest winds 15 to 20 knots. Partly cloudy. A chance of showers and thunderstorms until early morning, then a chance of showers after midnight. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 50 degrees. $$ SC You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes