FZUS53 KDTX 230707 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 307 AM EDT Mon Mar 23 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. LHZ422-231515- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 307 AM EDT Mon Mar 23 2026 .TODAY...North winds 10 to 15 knots. Mostly cloudy with scattered light snow showers. Waves 1 to 3 feet. .TONIGHT...Northwest winds 10 to 15 knots becoming west 5 to 10 knots in the late evening and early morning, then backing to the southwest after midnight. Mostly clear. Scattered light snow showers early in the evening. Waves 2 feet or less. .TUESDAY...Southwest winds 15 to 20 knots. Partly cloudy early in the morning becoming mostly cloudy. Waves 1 to 3 feet. .TUESDAY NIGHT...Southwest winds 10 to 15 knots becoming south 5 to 10 knots in the late evening and early morning, then increasing to 10 to 15 knots after midnight. Mostly cloudy early in the evening becoming partly cloudy. Waves 2 feet or less. Wave heights are for ice free areas. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-231515- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 307 AM EDT Mon Mar 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 15 to 20 knots. Mostly cloudy with scattered light snow showers. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TONIGHT...North winds 10 to 15 knots becoming west 5 to 10 knots in the late evening and early morning, then becoming southwest 10 to 15 knots after midnight. Mostly clear. Isolated light snow showers early in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...Southwest winds 15 to 20 knots. Partly cloudy early in the morning becoming mostly cloudy. Waves 2 to 4 feet. .TUESDAY NIGHT...Southwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and early morning, then becoming south 10 to 15 knots after midnight. Mostly cloudy early in the evening becoming partly cloudy. Waves 1 to 3 feet. Wave heights are for ice free areas. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-231515- Port Austin to Harbor Beach MI- 307 AM EDT Mon Mar 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 15 to 20 knots. Mostly cloudy with scattered light snow showers. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TONIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and early morning, then backing to the southwest after midnight. Mostly clear. Isolated light snow showers early in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .TUESDAY...Southwest winds 15 to 20 knots. Partly cloudy early in the morning becoming mostly cloudy. Waves 1 to 3 feet. .TUESDAY NIGHT...Southwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and early morning, then becoming south 10 to 15 knots after midnight. Mostly cloudy early in the evening becoming partly cloudy. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-231515- Harbor Beach to Port Sanilac MI- 307 AM EDT Mon Mar 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 15 to 20 knots. Mostly cloudy with scattered light snow showers. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TONIGHT...North winds 15 to 20 knots becoming northwest 5 to 10 knots in the late evening and early morning, then backing to the southwest after midnight. Mostly clear. Isolated light snow showers early in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...Southwest winds 10 to 15 knots. Mostly sunny early in the morning becoming mostly cloudy. Waves 1 to 3 feet. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Mostly cloudy until early morning becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-231515- Port Sanilac to Port Huron MI- 307 AM EDT Mon Mar 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 15 to 20 knots. Mostly cloudy with scattered light snow showers. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TONIGHT...North winds 15 to 20 knots becoming northwest 5 to 10 knots in the late evening and early morning, then backing to the southwest after midnight. Mostly clear. Scattered light snow showers early in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .TUESDAY...Southwest winds 10 to 15 knots. Mostly sunny becoming partly cloudy in the late morning and early afternoon becoming mostly cloudy. Waves 1 to 3 feet. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Mostly cloudy until early morning becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-231515- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 307 AM EDT Mon Mar 23 2026 .TODAY...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots in the afternoon. Mostly cloudy with scattered light snow showers. Waves 2 feet or less. .TONIGHT...North winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and early morning, then becoming light and variable after midnight. Mostly clear. Isolated light snow showers early in the evening. Waves 2 feet or less. .TUESDAY...South winds 5 to 10 knots. Mostly sunny early in the morning becoming partly cloudy. Waves 2 feet or less. .TUESDAY NIGHT...South winds 5 to 10 knots. Mostly cloudy early in the evening becoming partly cloudy. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 38 degrees. $$ SC You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes