FZUS53 KDTX 190111 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 911 PM EDT Wed Mar 18 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. LHZ422-190915- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 911 PM EDT Wed Mar 18 2026 .REST OF TONIGHT...Southwest winds 10 to 15 knots. Mostly cloudy. Waves 1 to 3 feet. .THURSDAY...West winds 5 to 10 knots. Mostly cloudy early in the morning becoming partly cloudy. Waves 2 feet or less. .THURSDAY NIGHT...Northwest winds 5 to 10 knots backing to the south in the late evening and early morning, then increasing to 10 to 15 knots after midnight. Partly cloudy early in the evening becoming mostly cloudy. A slight chance of. Waves 2 feet or less. .FRIDAY...Southwest winds 10 to 15 knots veering to the west early in the afternoon. Mostly cloudy with a chance of light rain. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-190915- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 911 PM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING... .REST OF TONIGHT...South winds 15 to 20 knots becoming southwest 10 to 15 knots after midnight. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .THURSDAY...West winds 5 to 10 knots. Mostly cloudy early in the morning becoming partly cloudy. Waves 2 feet or less. .THURSDAY NIGHT...West winds 5 to 10 knots backing to the south in the late evening and early morning, then increasing to 10 to 15 knots after midnight. Partly cloudy early in the evening becoming mostly cloudy. A slight chance of. Waves 2 feet or less. .FRIDAY...South winds 10 to 15 knots veering to the west early in the afternoon. Mostly cloudy with a chance of light rain. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-190915- Port Austin to Harbor Beach MI- 911 PM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING... .REST OF TONIGHT...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...Northwest winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .THURSDAY NIGHT...North winds 5 to 10 knots veering to the southeast in the late evening and overnight. Partly cloudy until early morning becoming mostly cloudy. A slight chance of. Waves 2 feet or less. .FRIDAY...South winds 10 to 15 knots veering to the west early in the afternoon. Mostly cloudy with a chance of light rain. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-190915- Harbor Beach to Port Sanilac MI- 911 PM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING... .REST OF TONIGHT...South winds 15 to 20 knots becoming southwest 10 to 15 knots after midnight. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .THURSDAY...West winds 5 to 10 knots veering to the north early in the afternoon. Mostly cloudy early in the morning becoming partly cloudy. Waves 2 feet or less. .THURSDAY NIGHT...North winds 5 to 10 knots veering to the southeast in the late evening and overnight. Partly cloudy until early morning becoming mostly cloudy. Waves 2 feet or less. .FRIDAY...South winds 10 to 15 knots veering to the west early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Light rain likely until late afternoon, then a chance of light rain early in the afternoon. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-190915- Port Sanilac to Port Huron MI- 911 PM EDT Wed Mar 18 2026 .REST OF TONIGHT...South 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 after midnight. .THURSDAY...West winds 5 to 10 knots veering to the north early in the afternoon. Mostly cloudy early in the morning becoming partly cloudy. Waves 2 feet or less. .THURSDAY NIGHT...Northeast winds 5 to 10 knots veering to the southeast in the late evening and overnight. Partly cloudy until early morning becoming mostly cloudy. Waves 2 feet or less. .FRIDAY...South winds 10 to 15 knots veering to the west early in the afternoon. Mostly cloudy. Light rain likely until late afternoon, then a chance of light rain early in the afternoon. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-190915- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 911 PM EDT Wed Mar 18 2026 .REST OF TONIGHT...South winds 10 to 15 knots becoming southwest 5 to 10 knots early in the morning. Mostly cloudy. A chance of light rain and freezing rain after midnight. Waves 1 to 3 feet. .THURSDAY...West winds 5 to 10 knots early in the morning becoming light and variable. Mostly cloudy with a chance of light rain and freezing rain early in the morning, then partly cloudy with a chance of light rain in the late morning and early afternoon. Partly cloudy early in the afternoon. Waves 2 feet or less. .THURSDAY NIGHT...Light and variable winds becoming southeast 5 to 10 knots in the late evening and overnight. Partly cloudy until early morning becoming mostly cloudy. Waves 2 feet or less. .FRIDAY...South winds 5 to 10 knots becoming southwest 10 to 15 knots in the late morning and afternoon. Mostly cloudy. A chance of light rain early in the afternoon. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 34 degrees. $$ MR You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes