FZUS53 KDTX 200139 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 939 PM EDT Thu Mar 19 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. LHZ422-200945- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 939 PM EDT Thu Mar 19 2026 .REST OF TONIGHT...Southeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Partly cloudy this evening becoming mostly cloudy. A chance of light rain after midnight. Waves 2 feet or less. .FRIDAY...Southwest winds 10 to 15 knots veering to the west in the late morning and early afternoon, then becoming northwest 5 to 10 knots early in the afternoon. Mostly cloudy with a chance of light rain early in the morning, then partly cloudy in the late morning and afternoon. Waves 2 feet or less. .FRIDAY NIGHT...Northwest winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .SATURDAY...West winds 5 to 10 knots backing to the southeast early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 feet or less. Wave heights are for ice free areas. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-200945- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 939 PM EDT Thu Mar 19 2026 .REST OF TONIGHT...Southeast winds 10 to 15 knots. Partly cloudy this evening becoming mostly cloudy. Light rain likely after midnight. Waves 2 feet or less. .FRIDAY...Southwest winds 10 to 15 knots veering to the north early in the afternoon. Mostly cloudy with light rain likely early in the morning, then partly cloudy in the late morning and afternoon. Waves 1 to 3 feet. .FRIDAY NIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and overnight. Partly cloudy. Waves 2 feet or less. .SATURDAY...West winds 5 to 10 knots backing to the southeast early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-200945- Port Austin to Harbor Beach MI- 939 PM EDT Thu Mar 19 2026 .REST OF TONIGHT...Southeast winds 5 to 10 knots increasing to 15 to 20 knots. Partly cloudy this evening, then mostly cloudy with light rain likely after midnight. Waves 2 feet or less building to 2 to 4 feet early in the morning. .FRIDAY...South winds 15 to 20 knots becoming west 10 to 15 knots in the late morning and early afternoon, then veering to the northwest early in the afternoon. Mostly cloudy with light rain likely early in the morning, then mostly cloudy with a slight chance of light rain 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. .FRIDAY NIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and overnight. Partly cloudy. Waves 1 to 3 feet. .SATURDAY...West winds 5 to 10 knots backing to the southeast early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-200945- Harbor Beach to Port Sanilac MI- 939 PM EDT Thu Mar 19 2026 .REST OF TONIGHT...East winds 5 to 10 knots becoming southeast 10 to 15 knots after midnight, then becoming south 15 to 20 knots early in the morning. Partly cloudy this evening, then mostly cloudy with a chance of light rain after midnight. Waves 2 feet or less building to 2 to 4 feet early in the morning. .FRIDAY...South winds 15 to 20 knots becoming west 10 to 15 knots in the late morning and early afternoon, then veering to the northwest early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. A chance of light rain until late afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .FRIDAY NIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .SATURDAY...Northwest winds 5 to 10 knots backing to the south in the late morning and afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-200945- Port Sanilac to Port Huron MI- 939 PM EDT Thu Mar 19 2026 .REST OF TONIGHT...East winds 5 to 10 knots becoming south 15 to 20 knots. Partly cloudy this evening, then mostly cloudy with a chance of light rain after midnight. Waves 1 to 3 feet. .FRIDAY...South winds 15 to 20 knots becoming west 10 to 15 knots in the late morning and early afternoon, then veering to the northwest early in the afternoon. Mostly cloudy. A chance of light rain until late afternoon. Waves 1 to 3 feet. .FRIDAY NIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .SATURDAY...Northwest winds 5 to 10 knots backing to the south in the late morning and afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-200945- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 939 PM EDT Thu Mar 19 2026 .REST OF TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to 15 knots early in the morning. Partly cloudy. Waves 2 feet or less. .FRIDAY...Southwest winds 10 to 15 knots veering to the west early in the afternoon. Mostly cloudy with a slight chance of light rain until late afternoon, then partly cloudy early in the afternoon. Waves 1 to 3 feet. .FRIDAY NIGHT...Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the late evening and overnight. Partly cloudy until early morning becoming mostly cloudy. Waves 2 feet or less. .SATURDAY...Light and variable winds becoming southeast 5 to 10 knots in the late morning and afternoon. Mostly cloudy early in the morning becoming partly cloudy. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 35 degrees. $$ MANN You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes