FZUS53 KDTX 300752 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 352 AM EDT Thu Apr 30 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. LHZ422-301600- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 352 AM EDT Thu Apr 30 2026 .TODAY...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the afternoon. Mostly cloudy in the morning, then partly cloudy with a slight chance of showers in the afternoon. Waves 2 feet or less. .TONIGHT...North winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .FRIDAY...North winds 5 to 10 knots. Partly cloudy becoming mostly cloudy in the late morning and early afternoon becoming partly cloudy. A chance of showers early in the afternoon. Waves 2 feet or less. .FRIDAY NIGHT...North winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and early morning, then becoming northwest 10 to 15 knots after midnight. Partly cloudy. A chance of showers early in the evening. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-301600- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 352 AM EDT Thu Apr 30 2026 .TODAY...Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the afternoon. Mostly cloudy in the morning, then partly cloudy with a slight chance of showers in the afternoon. Waves 1 to 3 feet. .TONIGHT...North winds 5 to 10 knots. Partly cloudy. A slight chance of showers early in the evening. Waves 2 feet or less. .FRIDAY...North winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY NIGHT...North winds 5 to 10 knots becoming northwest 10 to 15 knots after midnight. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-301600- Port Austin to Harbor Beach MI- 352 AM EDT Thu Apr 30 2026 .TODAY...Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the afternoon. Mostly cloudy in the morning becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TONIGHT...North winds 5 to 10 knots early in the evening becoming light and variable, then becoming northwest 5 to 10 knots after midnight. Partly cloudy. Waves 2 feet or less. .FRIDAY...North winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY NIGHT...North winds 5 to 10 knots becoming northwest 10 to 15 knots after midnight. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-301600- Harbor Beach to Port Sanilac MI- 352 AM EDT Thu Apr 30 2026 .TODAY...Northwest winds 10 to 15 knots becoming north 5 to 10 knots late in the afternoon. Mostly cloudy in the morning, then partly cloudy with a slight chance of showers in the afternoon. Waves 1 to 3 feet. .TONIGHT...North winds 5 to 10 knots early in the evening becoming light and variable. Partly cloudy. A slight chance of showers early in the evening. Waves 2 feet or less. .FRIDAY...North winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY NIGHT...North winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-301600- Port Sanilac to Port Huron MI- 352 AM EDT Thu Apr 30 2026 .TODAY...Northwest winds 10 to 15 knots becoming north 5 to 10 knots late in the afternoon. Mostly cloudy. A chance of showers in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northeast winds 5 to 10 knots early in the evening becoming light and variable. Partly cloudy. A slight chance of showers early in the evening. Waves 2 feet or less. .FRIDAY...North winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY NIGHT...North winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-301600- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 352 AM EDT Thu Apr 30 2026 .TODAY...Northwest winds 10 to 15 knots. Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Waves 2 feet or less. .TONIGHT...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Partly cloudy. A slight chance of showers in the late evening and early morning. A chance of showers after midnight. Waves 2 feet or less. .FRIDAY...Northwest winds 5 to 10 knots. Partly cloudy with a chance of showers. Waves 2 feet or less. .FRIDAY NIGHT...Northwest winds 5 to 10 knots. Partly cloudy. A chance of showers early in the evening. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 51 degrees. $$ TF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes