FZUS53 KDTX 180753 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 353 AM 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. LHZ422-181600- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 353 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 20 to 25 knots. Gusts to 30 knots in the late morning and early afternoon. Mostly cloudy. A slight chance of showers in the morning. Waves 2 to 4 feet. .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 in the late evening and overnight. .FRIDAY...West winds 10 to 15 knots increasing to 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. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-181600- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 353 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 15 to 20 knots increasing to 20 to 25 knots in the late morning and early afternoon, then diminishing to 15 to 20 knots late in the afternoon. Mostly cloudy. A chance of showers in the morning, then a slight chance of showers in the afternoon. Waves 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .FRIDAY...West winds 10 to 15 knots increasing to 15 to 20 knots early in the afternoon. Mostly sunny. Waves 1 to 3 feet. .FRIDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-181600- Port Austin to Harbor Beach MI- 353 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 15 to 20 knots. Mostly cloudy. A chance of showers in the morning, then a slight chance of showers in the afternoon. Waves 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly 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. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-181600- Harbor Beach to Port Sanilac MI- 353 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 20 to 25 knots diminishing to 15 to 20 knots late in the afternoon. Partly cloudy in the morning becoming mostly cloudy. A slight chance of showers. Waves 2 to 4 feet. .TONIGHT...West winds 10 to 15 knots. Partly cloudy early in the evening then clearing. Waves 1 to 3 feet. .FRIDAY...West winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. .FRIDAY NIGHT...Northwest winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-181600- Port Sanilac to Port Huron MI- 353 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 20 to 25 knots diminishing to 15 to 20 knots late in the afternoon. Partly cloudy in the morning becoming mostly cloudy. A slight chance of showers. Waves 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Partly cloudy early in the evening then clearing. Waves 1 to 3 feet. .FRIDAY...West winds 10 to 15 knots. Sunny until late afternoon becoming partly cloudy. 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. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-181600- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 353 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... ...LOW WATER ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... .TODAY...West winds 20 to 25 knots with gusts to 30 knots. Mostly sunny in the morning becoming partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 5 to 10 knots. Mostly clear. Waves 2 feet or less. .FRIDAY...West winds 10 to 15 knots. Sunny. Waves 2 feet or less. .FRIDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Clear. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 63 degrees. $$ KGK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes