FZUS53 KDTX 190135 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 935 PM EDT Thu Jun 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. LHZ422-190945- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 935 PM EDT Thu Jun 18 2026 .REST OF TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .FRIDAY...West winds 10 to 15 knots becoming northwest 15 to 20 knots early in the afternoon. Sunny. Waves 1 to 3 feet. .FRIDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Mostly clear. Waves 1 to 3 feet. .SATURDAY...West winds 5 to 10 knots. Partly cloudy. A chance of showers early in the afternoon. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-190945- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 935 PM EDT Thu Jun 18 2026 .REST OF TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .FRIDAY...West winds 10 to 15 knots becoming northwest 15 to 20 knots early in the afternoon. Mostly sunny. Waves 1 to 3 feet. .FRIDAY NIGHT...Northwest winds 15 to 20 knots diminishing to 5 to 10 knots. Mostly clear. Waves 1 to 3 feet. .SATURDAY...West winds 5 to 10 knots backing to the south early in the afternoon. Partly cloudy until late afternoon becoming mostly sunny. A chance of showers early in the afternoon. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-190945- Port Austin to Harbor Beach MI- 935 PM EDT Thu Jun 18 2026 .REST OF TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .FRIDAY...West winds 10 to 15 knots. Mostly sunny. Waves 1 to 3 feet. .FRIDAY NIGHT...Northwest winds 5 to 10 knots increasing to 10 to 15 knots in the late evening and early morning, then diminishing to 5 to 10 knots after midnight. Mostly clear. Waves 2 feet or less. .SATURDAY...West winds 5 to 10 knots veering to the northeast early in the afternoon. Mostly sunny early in the morning becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-190945- Harbor Beach to Port Sanilac MI- 935 PM EDT Thu Jun 18 2026 .REST OF TONIGHT...West winds 10 to 15 knots. Clear. Waves 1 to 3 feet. .FRIDAY...West winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. .FRIDAY NIGHT...Northwest winds 10 to 15 knots becoming west 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .SATURDAY...West winds 5 to 10 knots backing to the east early in the afternoon. Mostly sunny until late afternoon, then partly cloudy with a chance of showers early in the afternoon. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-190945- Port Sanilac to Port Huron MI- 935 PM EDT Thu Jun 18 2026 .REST OF TONIGHT...West winds 10 to 15 knots. Clear. Waves 1 to 3 feet. .FRIDAY...West winds 10 to 15 knots. Mostly sunny. A slight chance of showers early in the afternoon. Waves 2 feet or less. .FRIDAY NIGHT...Northwest winds 10 to 15 knots becoming west 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .SATURDAY...West winds 5 to 10 knots. Mostly sunny until late afternoon, then partly cloudy with a chance of showers early in the afternoon. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-190945- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 935 PM EDT Thu Jun 18 2026 .REST OF TONIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Clear. Waves 2 feet or less. .FRIDAY...West winds 10 to 15 knots. Sunny. Waves 2 feet or less. .FRIDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Mostly clear. Waves 2 feet or less. .SATURDAY...West winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Partly cloudy early in the morning then clearing. A chance of showers and thunderstorms early in the afternoon. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 65 degrees. $$ AM You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes