FZUS53 KDTX 231934 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 334 PM EDT Thu Apr 23 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. LHZ422-240345- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 334 PM EDT Thu Apr 23 2026 .TONIGHT...East winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Mostly clear. Scattered sprinkles in the evening. Waves 2 feet or less. .FRIDAY...East winds 10 to 15 knots. Partly cloudy until late afternoon becoming mostly cloudy. Scattered showers early in the morning. Isolated showers in the late morning and early afternoon, then a chance of showers and thunderstorms early in the afternoon. Waves 1 to 3 feet. .FRIDAY NIGHT...East winds 10 to 15 knots backing to the northeast after midnight. Mostly cloudy. A chance of thunderstorms early in the evening. Rain showers likely until early morning, then a chance of showers after midnight. Waves 1 to 3 feet. .SATURDAY...Northeast 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 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-240345- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 334 PM EDT Thu Apr 23 2026 .TONIGHT...East winds 10 to 15 knots. Mostly clear. Scattered sprinkles in the evening. Waves 1 to 3 feet. .FRIDAY...East winds 10 to 15 knots. Partly cloudy. Isolated showers early in the morning. A chance of showers and a slight chance of thunderstorms early in the afternoon. Waves 1 to 3 feet. .FRIDAY NIGHT...East winds 10 to 15 knots. Rain showers likely early in the evening. Rain showers in the late evening and early morning, then a chance of showers after midnight. Waves 2 to 4 feet. .SATURDAY...Northeast winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy early in the morning becoming partly cloudy. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-240345- Port Austin to Harbor Beach MI- 334 PM EDT Thu Apr 23 2026 .TONIGHT...Southeast winds 10 to 15 knots. Mostly clear. Scattered sprinkles in the evening. Waves 1 to 3 feet. .FRIDAY...Southeast winds 10 to 15 knots. Partly cloudy. A chance of showers and a slight chance of thunderstorms early in the afternoon. Waves 1 to 3 feet. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Rain showers until early morning, then showers likely after midnight. Waves 2 to 4 feet. .SATURDAY...Northeast winds 10 to 15 knots. Mostly cloudy with showers likely early in the morning, then mostly cloudy with a chance of showers in the late morning and early afternoon. Partly cloudy early in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-240345- Harbor Beach to Port Sanilac MI- 334 PM EDT Thu Apr 23 2026 .TONIGHT...Southeast winds 5 to 10 knots. Mostly clear. Scattered sprinkles in the evening. Waves 2 feet or less. .FRIDAY...Southeast winds 10 to 15 knots. Partly cloudy becoming mostly sunny in the late morning and early afternoon becoming partly cloudy. A chance of showers and a slight chance of thunderstorms early in the afternoon. Waves 2 to 4 feet. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Rain showers until early morning, then showers likely after midnight. Waves 2 to 4 feet. .SATURDAY...Northeast winds 10 to 15 knots. Mostly cloudy until late afternoon becoming partly cloudy. Light showers likely early in the morning, then a chance of showers in the late morning and early afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-240345- Port Sanilac to Port Huron MI- 334 PM EDT Thu Apr 23 2026 .TONIGHT...Southeast winds 5 to 10 knots. Mostly clear. Scattered sprinkles in the evening. Waves 2 feet or less. .FRIDAY...Southeast winds 10 to 15 knots. Partly cloudy becoming mostly sunny in the late morning and early afternoon becoming partly cloudy. A slight chance of showers and thunderstorms early in the afternoon. Waves 1 to 3 feet. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. A chance of showers early in the evening. Rain showers in the late evening and early morning, then showers likely after midnight. Waves 2 to 4 feet. .SATURDAY...Northeast winds 10 to 15 knots becoming north 15 to 20 knots early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Light showers likely early in the morning, then a chance of showers in the late morning and early afternoon. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-240345- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 334 PM EDT Thu Apr 23 2026 .TONIGHT...Southeast winds 5 to 10 knots veering to the south early in the morning. Mostly clear. Scattered sprinkles in the evening. Waves 2 feet or less. .FRIDAY...Southeast winds 5 to 10 knots increasing to 10 to 15 knots early in the afternoon. Partly cloudy. A chance of showers and thunderstorms early in the afternoon. Waves 2 feet or less. .FRIDAY NIGHT...East winds 5 to 10 knots backing to the northwest after midnight. Mostly cloudy. Rain showers likely and a chance of thunderstorms until early morning, then a chance of showers after midnight. Waves 1 to 3 feet. .SATURDAY...Northwest winds 5 to 10 knots becoming north 10 to 15 knots in the late morning and afternoon. Mostly cloudy with a chance of showers early in the morning, then partly cloudy in the late morning and afternoon. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 50 degrees. $$ SS You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes