FZUS53 KDTX 231316 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 916 AM EDT Thu Apr 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. LHZ422-232130- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 916 AM EDT Thu Apr 23 2026 .REST OF TODAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .TONIGHT...East winds 10 to 15 knots. Mostly clear. Waves 1 to 3 feet. .FRIDAY...East winds 10 to 15 knots. Partly cloudy until late afternoon becoming mostly cloudy. A slight chance of showers until late afternoon, then showers likely and a chance of thunderstorms early in the afternoon. Waves 1 to 3 feet. .FRIDAY NIGHT...Southeast winds 10 to 15 knots backing to the northwest after midnight. Rain showers likely and a chance of thunderstorms early in the evening, then showers in the late evening and early morning. A chance of showers after midnight. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-232130- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 916 AM EDT Thu Apr 23 2026 .REST OF TODAY...East winds 5 to 10 knots becoming northeast 10 to 15 knots late in the afternoon. Mostly sunny. Waves 2 feet or less. .TONIGHT...East winds 10 to 15 knots. Mostly clear. Waves 1 to 3 feet. .FRIDAY...East winds 10 to 15 knots. Partly cloudy until late afternoon becoming mostly cloudy. A chance of showers early in the afternoon. Waves 1 to 3 feet. .FRIDAY NIGHT...East winds 15 to 20 knots. Rain showers until early morning, then a chance of showers after midnight. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-232130- Port Austin to Harbor Beach MI- 916 AM EDT Thu Apr 23 2026 .REST OF TODAY...East winds 5 to 10 knots increasing to 10 to 15 knots late in the afternoon. Mostly sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 10 to 15 knots. Mostly clear. Waves 1 to 3 feet. .FRIDAY...Southeast winds 10 to 15 knots. Partly cloudy. A chance of showers early in the afternoon. Waves 1 to 3 feet. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Rain showers until early morning, then showers likely after midnight. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-232130- Harbor Beach to Port Sanilac MI- 916 AM EDT Thu Apr 23 2026 .REST OF TODAY...East winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Mostly clear. Waves 2 feet or less. .FRIDAY...Southeast winds 10 to 15 knots. Partly cloudy. A chance of showers early in the afternoon. Waves 2 to 4 feet. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. A chance of showers early in the evening. Rain showers in the late evening and early morning, then showers likely after midnight. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-232130- Port Sanilac to Port Huron MI- 916 AM EDT Thu Apr 23 2026 .REST OF TODAY...East winds 5 to 10 knots. Sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Mostly clear. Waves 2 feet or less. .FRIDAY...Southeast winds 10 to 15 knots. Partly cloudy. A chance of showers early in the afternoon. Waves 1 to 3 feet. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Light showers until early morning, then showers likely after midnight. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-232130- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 916 AM EDT Thu Apr 23 2026 .REST OF TODAY...East winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots. Mostly clear. Isolated showers early in the evening. Waves 2 feet or less. .FRIDAY...Southeast winds 5 to 10 knots increasing to 10 to 15 knots early in the afternoon. Partly cloudy. A chance of showers and thunderstorms early in the afternoon. Waves 2 feet or less. .FRIDAY NIGHT...Southeast winds 10 to 15 knots becoming south 5 to 10 knots in the late evening and early morning, then veering to the west after midnight. Rain showers and a chance of thunderstorms until early morning, then a chance of showers after midnight. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 50 degrees. $$ SF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes