FZUS53 KDTX 172000 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 400 PM EDT Tue Mar 17 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. LHZ422-180400- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 400 PM EDT Tue Mar 17 2026 .TONIGHT...West winds 10 to 20 knots backing to the south early in the morning. Mostly cloudy with a slight chance of light snow showers in the evening, then partly cloudy after midnight. Waves 1 to 3 feet. .WEDNESDAY...South winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots early in the afternoon. Mostly cloudy. A slight chance of light snow showers until late afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .WEDNESDAY NIGHT...Southwest winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...Southwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and afternoon. Mostly cloudy with a chance of light rain until late afternoon, then partly cloudy early in the afternoon. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-180400- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 400 PM EDT Tue Mar 17 2026 .TONIGHT...West winds 10 to 20 knots backing to the southwest early in the morning. Mostly cloudy. A slight chance of light snow showers in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .WEDNESDAY...South winds 15 to 20 knots increasing to 20 to 25 knots early in the afternoon. Mostly cloudy. A slight chance of light snow showers until late afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. .WEDNESDAY NIGHT...Southwest winds 15 to 20 knots. Mostly cloudy. Waves 2 to 4 feet. .THURSDAY...Southwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and afternoon. Mostly cloudy until late afternoon becoming partly cloudy. A chance of light rain and snow until late afternoon. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-180400- Port Austin to Harbor Beach MI- 400 PM EDT Tue Mar 17 2026 .TONIGHT...West winds 10 to 15 knots becoming southwest 5 to 10 knots early in the morning. Mostly cloudy. A slight chance of light snow showers in the evening. Waves 3 to 5 feet subsiding to 1 to 3 feet in the late evening and overnight. Waves occasionally around 7 feet. .WEDNESDAY...South winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy with a slight chance of light snow showers. Waves 2 feet or less building to 2 to 4 feet in the late morning and afternoon. .WEDNESDAY NIGHT...South winds 15 to 20 knots becoming southwest 10 to 15 knots after midnight. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...Southwest winds 10 to 15 knots becoming west 5 to 10 knots in the late morning and afternoon. Mostly cloudy until late afternoon becoming partly cloudy. A chance of light rain and snow until late afternoon. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-180400- Harbor Beach to Port Sanilac MI- 400 PM EDT Tue Mar 17 2026 .TONIGHT...West winds 10 to 15 knots becoming southwest 5 to 10 knots early in the morning. Mostly cloudy with a slight chance of light snow showers in the evening, then partly cloudy after midnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .WEDNESDAY...South winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy with a slight chance of light snow showers. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. .WEDNESDAY NIGHT...South winds 15 to 20 knots becoming southwest 10 to 15 knots after midnight. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .THURSDAY...Southwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and afternoon. Mostly cloudy. A chance of light rain. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-180400- Port Sanilac to Port Huron MI- 400 PM EDT Tue Mar 17 2026 .TONIGHT...West winds 10 to 15 knots becoming southwest 5 to 10 knots early in the morning. Partly cloudy. A slight chance of light snow showers in the evening. Waves 1 to 3 feet. .WEDNESDAY...South winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy with a slight chance of light snow showers. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .WEDNESDAY NIGHT...South winds 15 to 20 knots becoming southwest 10 to 15 knots after midnight. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...Southwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and afternoon. Mostly cloudy with a chance of light rain. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-180400- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 400 PM EDT Tue Mar 17 2026 .TONIGHT...West winds 10 to 15 knots becoming southwest 5 to 10 knots early in the morning. Partly cloudy. A slight chance of light snow showers in the evening. Waves 2 feet or less. .WEDNESDAY...South winds 10 to 15 knots. Mostly cloudy. A slight chance of light snow showers early in the morning, then a chance of light snow showers in the late morning and afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Mostly cloudy. Waves 1 to 3 feet. .THURSDAY...Southwest winds 5 to 10 knots. Mostly cloudy. Light rain likely until late afternoon, then a chance of light rain early in the afternoon. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 36 degrees. $$ SF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes