FZUS53 KDTX 180134 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 934 PM EDT Wed Jun 17 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. LHZ422-180945- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 934 PM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .REST OF TONIGHT...Southeast winds to 30 knots becoming south 20 to 25 knots with gusts to 30 knots after midnight, then veering to the west early in the morning. Rain showers and a chance of thunderstorms this evening, then a slight chance of showers and thunderstorms after midnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. .THURSDAY...West winds 20 to 25 knots. Gusts to 30 knots in the late morning and afternoon. Mostly cloudy with a chance of showers early in the morning, then mostly cloudy with a slight chance of showers in the late morning and early afternoon. Partly cloudy early in the afternoon. Waves 2 to 4 feet. .THURSDAY NIGHT...West winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots in the late evening and overnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .FRIDAY...West winds 15 to 20 knots. Sunny. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-180945- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 934 PM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .REST OF TONIGHT...Southeast winds to 30 knots diminishing to 20 to 25 knots with gusts to 30 knots after midnight, then veering to the west early in the morning. Rain showers and a chance of thunderstorms this evening, then a chance of showers and thunderstorms after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. .THURSDAY...West winds 20 to 25 knots. Mostly cloudy with a chance of showers early in the morning, then mostly cloudy with a slight chance of showers in the late morning and early afternoon. Partly cloudy early in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. .THURSDAY NIGHT...West winds 20 to 25 knots diminishing to 15 to 20 knots in the late evening and overnight. Clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .FRIDAY...West winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Sunny. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-180945- Port Austin to Harbor Beach MI- 934 PM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .REST OF TONIGHT...Southeast winds 20 to 25 knots with gusts to 30 knots becoming west 15 to 20 knots early in the morning. Rain showers and a chance of thunderstorms this evening, then showers likely and a chance of thunderstorms after midnight. Waves 5 to 7 feet. Waves occasionally around 10 feet. .THURSDAY...West winds 15 to 20 knots. Mostly cloudy with a chance of showers until late afternoon, then partly cloudy early in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. .THURSDAY NIGHT...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. Mostly sunny. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-180945- Harbor Beach to Port Sanilac MI- 934 PM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .REST OF TONIGHT...Southeast winds to 30 knots becoming south 20 to 25 knots with gusts to 30 knots after midnight, then becoming southwest 15 to 20 knots early in the morning. Rain showers and a chance of thunderstorms this evening, then a chance of showers and thunderstorms after midnight. Patchy fog. Locally heavy rainfall possible this evening. Waves 5 to 7 feet. Waves occasionally around 10 feet. .THURSDAY...West winds 15 to 20 knots. Mostly cloudy with a chance of showers until late afternoon, then partly cloudy with a slight chance of showers early in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 1 to 3 feet. .FRIDAY...West winds 10 to 15 knots. Sunny. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-180945- Port Sanilac to Port Huron MI- 934 PM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .REST OF TONIGHT...Southeast winds to 30 knots becoming southwest 20 to 25 knots with gusts to 30 knots after midnight. Rain showers and a chance of thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible this evening. Waves 5 to 7 feet subsiding to 3 to 5 feet early in the morning. Waves occasionally around 10 feet. .THURSDAY...West winds 20 to 25 knots diminishing to 15 to 20 knots early in the afternoon. Partly cloudy becoming mostly cloudy in the late morning and early afternoon becoming partly cloudy. A chance of showers until late afternoon, then a slight chance of showers early in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the afternoon. .THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly clear. A slight chance of showers early in the evening. Waves 1 to 3 feet. .FRIDAY...West winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-180945- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 934 PM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... ...LOW WATER ADVISORY IN EFFECT FROM 4 AM TO 4 PM EDT THURSDAY... .REST OF TONIGHT...South winds to 30 knots becoming southwest 20 to 25 knots early in the morning. Isolated gusts to 35 to 40 knot gales. Mostly cloudy this evening becoming partly cloudy. Showers likely and a chance of thunderstorms this evening, then a chance of showers and thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Waves 4 to 6 feet. Waves occasionally around 7 feet. .THURSDAY...West winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots early in the afternoon. Partly cloudy until late afternoon becoming mostly sunny. A slight chance of showers early in the morning. Waves 3 to 5 feet. Waves occasionally around 7 feet. .THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Clear. Waves 1 to 3 feet. .FRIDAY...West winds 10 to 15 knots. Sunny. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 64 degrees. $$ AM You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes