FZUS53 KDTX 110717 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 317 AM EDT Sat Apr 11 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. LHZ422-111530- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 317 AM EDT Sat Apr 11 2026 .TODAY...Light and variable winds becoming southeast 5 to 10 knots in the afternoon. Sunny. Waves 2 feet or less. .TONIGHT...East winds 5 to 10 knots becoming southeast 10 to 15 knots in the late evening and overnight. Mostly clear until early morning, then mostly cloudy with showers likely after midnight. Waves 2 feet or less. .SUNDAY...South winds 15 to 20 knots. Mostly cloudy. A chance of showers until late afternoon, then a chance of showers and thunderstorms early in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. .SUNDAY NIGHT...Southwest winds 15 to 20 knots increasing to 20 to 25 knots in the late evening and overnight. A chance of thunderstorms early in the evening. A chance of showers until early morning, then showers after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. A Small Craft Advisory may be needed. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-111530- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 317 AM EDT Sat Apr 11 2026 .TODAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable, then becoming south 5 to 10 knots early in the afternoon backing to the southeast. Sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 10 to 15 knots. Mostly clear until early morning, then mostly cloudy with a chance of showers after midnight. Waves 2 feet or less. .SUNDAY...South winds 15 to 20 knots. Mostly cloudy. Light showers likely until late afternoon, then a chance of showers and thunderstorms early in the afternoon. Waves 2 to 4 feet. .SUNDAY NIGHT...South winds 15 to 20 knots becoming southwest 20 to 25 knots in the late evening and overnight. Mostly cloudy. A chance of thunderstorms early in the evening. A chance of showers until early morning, then showers likely after midnight. Waves 4 to 6 feet building to 5 to 7 feet after midnight. Waves occasionally around 10 feet. A Small Craft Advisory may be needed. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-111530- Port Austin to Harbor Beach MI- 317 AM EDT Sat Apr 11 2026 .TODAY...Northwest winds 5 to 10 knots in the morning becoming light and variable, then becoming east 5 to 10 knots late in the afternoon. Sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 10 to 15 knots. Partly cloudy until early morning, then mostly cloudy with a chance of showers after midnight. Waves 2 feet or less. .SUNDAY...Southeast winds 15 to 20 knots. Mostly cloudy. A chance of showers early in the morning, then showers likely in the late morning and early afternoon. A chance of showers early in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. A Small Craft Advisory may be needed. .SUNDAY NIGHT...South winds 15 to 20 knots becoming southwest 20 to 25 knots in the late evening and overnight. A chance of showers until early morning, then showers after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-111530- Harbor Beach to Port Sanilac MI- 317 AM EDT Sat Apr 11 2026 .TODAY...Northwest winds 5 to 10 knots veering to the northeast in the afternoon. Sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Mostly clear until early morning becoming mostly cloudy. A chance of showers after midnight. Waves 2 feet or less. .SUNDAY...Southeast winds 15 to 20 knots. Mostly cloudy with a chance of showers. Waves 3 to 5 feet. Waves occasionally around 7 feet. A Small Craft Advisory may be needed. .SUNDAY NIGHT...Southwest winds 15 to 20 knots. A chance of showers until early morning, then showers after midnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-111530- Port Sanilac to Port Huron MI- 317 AM EDT Sat Apr 11 2026 .TODAY...North winds 5 to 10 knots veering to the northeast late in the afternoon. Sunny. Waves 2 feet or less. .TONIGHT...East winds 5 to 10 knots veering to the southeast after midnight. Partly cloudy. A chance of showers after midnight. Waves 2 feet or less. .SUNDAY...Southeast winds 10 to 15 knots becoming south 15 to 20 knots in the late morning and afternoon. Mostly cloudy. A chance of showers until late afternoon. Waves 2 to 4 feet. .SUNDAY NIGHT...Southwest winds 15 to 20 knots. A chance of showers until early morning, then showers after midnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. A Small Craft Advisory may be needed. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-111530- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 317 AM EDT Sat Apr 11 2026 .TODAY...Northeast winds 5 to 10 knots veering to the southeast in the afternoon. Partly cloudy in the morning then clearing. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Partly cloudy until early morning becoming mostly cloudy. A slight chance of showers after midnight. Waves 2 feet or less. .SUNDAY...Southeast winds 10 to 15 knots becoming south 15 to 20 knots early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Waves 1 to 3 feet. .SUNDAY NIGHT...Southwest winds 15 to 20 knots. Mostly cloudy. Light showers likely after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 44 degrees. $$ SC You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes