FZUS53 KDTX 040751 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 351 AM EDT Sat Apr 4 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. LHZ422-041600- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 351 AM EDT Sat Apr 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH SUNDAY EVENING... .TODAY...East winds 15 to 20 knots veering to the south late in the afternoon. Rain and a slight chance of thunderstorms. Waves 1 to 3 feet. .TONIGHT...Southwest winds 15 to 20 knots with gusts to 30 knots becoming west 20 to 25 knots with gusts to 30 knots after midnight. Mostly cloudy with a slight chance of light rain early in the evening, then partly cloudy in the late evening and overnight. Waves 2 to 4 feet. .SUNDAY...West winds 20 to 25 knots. Gusts to 30 knots early in the morning. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Partly cloudy until early morning becoming mostly cloudy. 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. $$ LHZ421-041600- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 351 AM EDT Sat Apr 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING... .TODAY...East winds 15 to 20 knots veering to the south late in the afternoon. Rain and a slight chance of thunderstorms. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TONIGHT...Southwest winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots after midnight. Mostly cloudy with a chance of light rain early in the evening, then partly cloudy in the late evening and overnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SUNDAY...West winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots early in the afternoon. Partly cloudy. Waves 4 to 6 feet. Waves occasionally around 8 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Partly cloudy until early morning becoming mostly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-041600- Port Austin to Harbor Beach MI- 351 AM EDT Sat Apr 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY EVENING... .TODAY...East winds 15 to 20 knots veering to the south late in the afternoon. Rain and a slight chance of thunderstorms. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TONIGHT...Southwest winds 15 to 20 knots becoming west 20 to 25 knots with gusts to 30 knots after midnight. Mostly cloudy with a chance of light rain early in the evening, then partly cloudy in the late evening and overnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SUNDAY...West winds 20 to 25 knots diminishing to 15 to 20 knots early in the afternoon. Gusts to 30 knots. Partly cloudy. Waves 4 to 6 feet. Waves occasionally around 8 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Partly cloudy. 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. $$ LHZ442-041600- Harbor Beach to Port Sanilac MI- 351 AM EDT Sat Apr 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH SUNDAY EVENING... .TODAY...East winds 10 to 15 knots becoming southeast 15 to 20 knots in the late morning and afternoon. Rain and a slight chance of thunderstorms in the morning, then rain and a chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .TONIGHT...Southwest winds 10 to 15 knots becoming west 15 to 20 knots after midnight. Becoming partly cloudy after midnight. Light rain and a slight chance of thunderstorms early in the evening, then a slight chance of light rain in the late evening and early morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .SUNDAY...West winds 15 to 20 knots. Gusts to 30 knots early in the afternoon. Partly cloudy. Waves 1 to 3 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Partly cloudy. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-041600- Port Sanilac to Port Huron MI- 351 AM EDT Sat Apr 4 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING THROUGH SUNDAY EVENING... .TODAY...East winds 10 to 15 knots becoming southeast 15 to 20 knots in the late morning and afternoon. Rain likely and a slight chance of thunderstorms in the morning, then rain and a chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .TONIGHT...Southwest winds 10 to 15 knots. Becoming partly cloudy after midnight. Rain and a chance of thunderstorms early in the evening, then a chance of light rain in the late evening and early morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .SUNDAY...West winds 15 to 20 knots. Partly cloudy. Waves 1 to 3 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Partly cloudy. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-041600- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 351 AM EDT Sat Apr 4 2026 .TODAY...East winds 15 to 20 knots becoming southeast 10 to 15 knots late in the morning, then becoming south 15 to 20 knots in the afternoon. A chance of light rain and a slight chance of thunderstorms in the morning, then rain and a chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...West winds 15 to 20 knots. Becoming partly cloudy after midnight. Rain and a chance of thunderstorms early in the evening, then a slight chance of light rain in the late evening and early morning. Waves 1 to 3 feet. .SUNDAY...West winds 15 to 20 knots. Partly cloudy early in the morning becoming mostly cloudy. Waves 1 to 3 feet. .SUNDAY NIGHT...West winds 15 to 20 knots diminishing to 5 to 10 knots. Mostly clear. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 45 degrees. $$ AM You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes