FZUS53 KDTX 181353 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 953 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. LHZ422-182200- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 953 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF 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 late 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. $$ LHZ421-182200- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 953 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF TODAY...West winds 20 to 25 knots diminishing to 15 to 20 knots late in the afternoon. Mostly cloudy with a slight chance of showers. Waves 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .FRIDAY...West winds 10 to 15 knots increasing to 15 to 20 knots early in the afternoon. Mostly sunny. Waves 1 to 3 feet. .FRIDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-182200- Port Austin to Harbor Beach MI- 953 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF TODAY...West winds 15 to 20 knots. Mostly cloudy with 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. 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. $$ LHZ442-182200- Harbor Beach to Port Sanilac MI- 953 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF TODAY...West winds 15 to 20 knots. Mostly cloudy with a slight chance of showers. Waves 1 to 3 feet. .TONIGHT...West winds 10 to 15 knots. Partly cloudy early in the evening then clearing. Waves 1 to 3 feet. .FRIDAY...West winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. .FRIDAY NIGHT...Northwest winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-182200- Port Sanilac to Port Huron MI- 953 AM EDT Thu Jun 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF TODAY...West winds 20 to 25 knots diminishing to 15 to 20 knots late in the afternoon. Mostly cloudy. 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. 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. A slight chance of. 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. $$ LEZ444-182200- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 953 AM EDT Thu Jun 18 2026 ...LOW WATER ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF TODAY...West winds 20 to 25 knots with gusts to 30 knots. Partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 5 to 10 knots. Mostly clear. Waves 2 feet or less. .FRIDAY...West winds 10 to 15 knots. Sunny. Waves 2 feet or less. .FRIDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Clear. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 64 degrees. $$ DRK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes