FZUS53 KDTX 200737 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 337 AM EDT Fri Mar 20 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. LHZ422-201545- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 337 AM EDT Fri Mar 20 2026 .TODAY...South winds 15 to 20 knots veering to the west late in the morning, then becoming northwest 10 to 15 knots in the afternoon. Mostly cloudy. Light rain likely in the morning. Waves 1 to 3 feet. .TONIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and overnight. Mostly cloudy early in the evening becoming partly cloudy. Waves 2 feet or less. .SATURDAY...Northwest winds 5 to 10 knots backing to the southeast in the late morning and afternoon. Mostly cloudy. Waves 2 feet or less. .SATURDAY NIGHT...Southeast winds 10 to 15 knots veering to the southwest after midnight. Mostly cloudy. A chance of light rain after midnight. Waves 2 feet or less. Wave heights are for ice free areas. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-201545- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 337 AM EDT Fri Mar 20 2026 .TODAY...South winds 15 to 20 knots becoming west 10 to 15 knots in the late morning and early afternoon, then veering to the north late in the afternoon. Mostly cloudy. A chance of light rain in the morning. Waves 1 to 3 feet. .TONIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and overnight. Mostly cloudy early in the evening becoming partly cloudy. Waves 1 to 3 feet. .SATURDAY...Northwest winds 5 to 10 knots backing to the southeast in the late morning and afternoon. Mostly cloudy. Waves 2 feet or less. .SATURDAY NIGHT...Southeast winds 10 to 15 knots veering to the south after midnight. Mostly cloudy. A chance of light rain after midnight. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-201545- Port Austin to Harbor Beach MI- 337 AM EDT Fri Mar 20 2026 .TODAY...South winds 10 to 15 knots veering to the northwest in the afternoon. Rain in the morning, then partly cloudy in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...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...Northwest winds 5 to 10 knots veering to the east in the late morning and early afternoon, then veering to the southeast early in the afternoon. Mostly cloudy. Waves 2 feet or less. .SATURDAY NIGHT...South winds 10 to 15 knots. Mostly cloudy. A chance of light rain after midnight. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-201545- Harbor Beach to Port Sanilac MI- 337 AM EDT Fri Mar 20 2026 .TODAY...South winds 15 to 20 knots becoming southwest 10 to 15 knots late in the morning, then veering to the northwest in the afternoon. Cloudy with light rain likely in the morning, then partly cloudy in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots after midnight. Partly cloudy. Waves 1 to 3 feet. .SATURDAY...Northwest winds 5 to 10 knots veering to the east in the late morning and early afternoon, then veering to the southeast early in the afternoon. Partly cloudy early in the morning becoming mostly cloudy. Waves 2 feet or less. .SATURDAY NIGHT...South winds 10 to 15 knots. Mostly cloudy. A chance of light rain after midnight. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-201545- Port Sanilac to Port Huron MI- 337 AM EDT Fri Mar 20 2026 .TODAY...South winds 15 to 20 knots becoming northwest 10 to 15 knots in the afternoon. Mostly cloudy. Light rain likely in the morning, then a slight chance of light rain in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots after midnight. Mostly cloudy. Waves 1 to 3 feet. .SATURDAY...Northwest winds 5 to 10 knots veering to the east in the late morning and early afternoon, then veering to the southeast early in the afternoon. Mostly cloudy early in the morning becoming partly cloudy. Waves 2 feet or less. .SATURDAY NIGHT...South winds 10 to 15 knots. Mostly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-201545- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 337 AM EDT Fri Mar 20 2026 .TODAY...South winds 10 to 15 knots veering to the west late in the afternoon. Mostly cloudy with a chance of light rain in the morning, then partly cloudy in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest winds 10 to 15 knots becoming northeast 5 to 10 knots in the late evening and overnight. Partly cloudy early in the evening becoming mostly cloudy. Waves 2 feet or less. .SATURDAY...Light and variable winds becoming southeast 5 to 10 knots in the late morning and afternoon. Mostly cloudy early in the morning becoming partly cloudy. Waves 2 feet or less. .SATURDAY NIGHT...Southeast winds 5 to 10 knots becoming southwest 10 to 15 knots after midnight. Partly cloudy. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 35 degrees. $$ SF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes