FZUS53 KDTX 170754 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 354 AM 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. LHZ422-171600- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 354 AM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY EVENING... .TODAY...Southwest winds 10 to 15 knots. Partly cloudy in the morning, then mostly cloudy with a chance of showers in the afternoon. Waves 2 feet or less. .TONIGHT...Southeast winds 20 to 25 knots becoming southwest 10 to 15 knots after midnight. Rain showers and a chance of thunderstorms until early morning, then a slight chance of showers after midnight. Waves 2 to 4 feet. .THURSDAY...West winds 15 to 20 knots with gusts to 25 knots. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 to 4 feet. .THURSDAY NIGHT...West winds 15 to 20 knots. Mostly clear. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-171600- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 354 AM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY EVENING... .TODAY...Southwest winds 10 to 15 knots. Partly cloudy in the morning, then mostly cloudy with a chance of showers in the afternoon. Waves 1 to 3 feet. .TONIGHT...Southeast winds 20 to 25 knots becoming southwest 10 to 15 knots after midnight. Rain showers and a chance of thunderstorms until early morning, then a chance of showers after midnight. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet. .THURSDAY...West winds 15 to 20 knots with gusts to 25 knots. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 to 4 feet. .THURSDAY NIGHT...West winds 15 to 20 knots. Mostly clear. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-171600- Port Austin to Harbor Beach MI- 354 AM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY EVENING... .TODAY...Southwest winds 10 to 15 knots becoming south 5 to 10 knots in the afternoon. Partly cloudy in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Waves 2 feet or less. .TONIGHT...South winds 15 to 20 knots becoming southeast 20 to 25 knots in the late evening and early morning, then becoming south 15 to 20 knots after midnight. Rain showers and a chance of thunderstorms until early morning, then showers likely after midnight. Patchy fog in the late evening and early morning. Waves 1 to 3 feet building to 5 to 7 feet in the late evening and overnight. Waves occasionally around 10 feet. .THURSDAY...West winds 15 to 20 knots with gusts to 25 knots. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 to 4 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. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-171600- Harbor Beach to Port Sanilac MI- 354 AM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY EVENING... .TODAY...Southwest winds 5 to 10 knots. Partly cloudy in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Waves 2 feet or less. .TONIGHT...South winds 15 to 20 knots becoming southeast 20 to 25 knots with gusts to 30 knots in the late evening and early morning, then becoming southwest 15 to 20 knots after midnight. Rain showers and a chance of thunderstorms until early morning, then a chance of showers after midnight. Patchy fog in the late evening and early morning. Waves 1 to 3 feet building to 5 to 7 feet in the late evening and overnight. Waves occasionally around 10 feet. .THURSDAY...West winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Gusts to 25 knots. Partly cloudy until late afternoon becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-171600- Port Sanilac to Port Huron MI- 354 AM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY EVENING... .TODAY...Southwest winds 5 to 10 knots becoming south 10 to 15 knots late in the afternoon. Mostly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Waves 2 feet or less. .TONIGHT...South winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the late evening and early morning, then becoming southwest 15 to 20 knots after midnight. Mostly cloudy. Rain showers likely early in the evening. A chance of thunderstorms until early morning. A chance of showers in the late evening and overnight. Patchy fog in the late evening and early morning. Locally heavy rainfall possible early in the evening. Waves 1 to 3 feet building to 5 to 7 feet in the late evening and overnight. Waves occasionally around 10 feet. .THURSDAY...West winds 15 to 20 knots with gusts to 25 knots. Partly cloudy. Waves 1 to 3 feet. .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. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-171600- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 354 AM EDT Wed Jun 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY EVENING... .TODAY...Southwest winds 10 to 15 knots. Mostly sunny in the morning, then mostly cloudy with a chance of showers and a slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Waves 2 feet or less. .TONIGHT...South winds 20 to 25 knots increasing to 30 knots in the late evening and early morning, then becoming southwest 20 to 25 knots after midnight. Brief gusts to 35 knot gales possible. Becoming partly cloudy after midnight. Showers and a chance of thunderstorms until early morning, then a chance of showers and a slight chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible until early morning. Waves 4 to 6 feet. Waves occasionally around 8 feet. .THURSDAY...West winds 20 to 25 knots with gusts to 30 knots. Mostly sunny early in the morning becoming partly cloudy. Waves 2 to 4 feet. .THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Partly cloudy early in the evening then clearing. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 65 degrees. $$ TF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes