FZUS53 KDTX 201948 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 348 PM EDT Sat Jun 20 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. LHZ422-210400- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 348 PM EDT Sat Jun 20 2026 .TONIGHT...Northwest winds 5 to 10 knots. Mostly clear. A chance of showers and thunderstorms in the evening. Waves 2 feet or less. .SUNDAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable, then becoming southeast 5 to 10 knots early in the afternoon. Mostly sunny until late afternoon becoming partly cloudy. Waves 2 feet or less. .SUNDAY NIGHT...East winds 5 to 10 knots increasing to 10 to 15 knots in the late evening and overnight. Mostly cloudy. A chance of showers after midnight. Waves 2 feet or less. .MONDAY...Northeast winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy becoming partly cloudy in the late morning and early afternoon becoming mostly sunny. A chance of showers early in the morning. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-210400- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 348 PM EDT Sat Jun 20 2026 .TONIGHT...North winds 5 to 10 knots backing to the northwest in the late evening and overnight. Mostly clear. A chance of showers and thunderstorms in the evening. Waves 2 feet or less. .SUNDAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable, then becoming southeast 5 to 10 knots early in the afternoon. Sunny until late afternoon becoming partly cloudy. Waves 2 feet or less. .SUNDAY NIGHT...East winds 5 to 10 knots increasing to 10 to 15 knots in the late evening and early morning, then diminishing to 5 to 10 knots after midnight. Mostly cloudy. Waves 2 feet or less. .MONDAY...Northeast winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy becoming partly cloudy in the late morning and early afternoon becoming mostly sunny. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-210400- Port Austin to Harbor Beach MI- 348 PM EDT Sat Jun 20 2026 .TONIGHT...Light and variable winds becoming northwest 5 to 10 knots after midnight. Partly cloudy. A slight chance of showers in the evening. Waves 2 feet or less. .SUNDAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable, then becoming east 5 to 10 knots early in the afternoon. Mostly sunny until late afternoon becoming partly cloudy. Waves 2 feet or less. .SUNDAY NIGHT...East winds 5 to 10 knots. Mostly cloudy. Waves 2 feet or less. .MONDAY...Northeast winds 5 to 10 knots becoming north 10 to 15 knots in the late morning and afternoon. Mostly cloudy early in the morning becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-210400- Harbor Beach to Port Sanilac MI- 348 PM EDT Sat Jun 20 2026 .TONIGHT...Light and variable winds. Partly cloudy. A chance of showers and a slight chance of thunderstorms in the evening. Waves 2 feet or less. .SUNDAY...Light and variable winds becoming northeast 5 to 10 knots in the late morning and afternoon. Mostly sunny until late afternoon becoming partly cloudy. Waves 2 feet or less. .SUNDAY NIGHT...East winds 5 to 10 knots. Cloudy. A chance of showers after midnight. Waves 2 feet or less. .MONDAY...East winds 5 to 10 knots becoming north 10 to 15 knots in the late morning and afternoon. Mostly cloudy with a chance of showers early in the morning, then partly cloudy in the late morning and afternoon. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-210400- Port Sanilac to Port Huron MI- 348 PM EDT Sat Jun 20 2026 .TONIGHT...North winds 5 to 10 knots early in the evening becoming light and variable, then becoming northwest 5 to 10 knots after midnight. Mostly clear. A chance of showers and thunderstorms in the evening. Waves 2 feet or less. .SUNDAY...Light and variable winds becoming northeast 5 to 10 knots in the late morning and afternoon. Mostly sunny until late afternoon becoming partly cloudy. Waves 2 feet or less. .SUNDAY NIGHT...East winds 5 to 10 knots. Cloudy. A chance of showers after midnight. Waves 2 feet or less. .MONDAY...East winds 10 to 15 knots backing to the northeast in the late morning and early afternoon, then becoming north 15 to 20 knots early in the afternoon. Mostly cloudy with a chance of showers early in the morning, then partly cloudy in the late morning and afternoon. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-210400- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 348 PM EDT Sat Jun 20 2026 .TONIGHT...West winds 15 to 20 knots becoming northwest 5 to 10 knots. Clear. Waves 2 feet or less. .SUNDAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable, then becoming southeast 5 to 10 knots early in the afternoon. Mostly sunny becoming partly cloudy in the late morning and early afternoon becoming mostly cloudy. Waves 2 feet or less. .SUNDAY NIGHT...Southeast winds 5 to 10 knots becoming east 20 to 25 knots. A chance of showers early in the evening, then showers likely in the late evening and early morning. Showers after midnight. Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves occasionally around 7 feet. A Small Craft Advisory may be needed. .MONDAY...East winds 20 to 25 knots becoming northeast 15 to 20 knots in the late morning and afternoon. Showers early in the morning, then a chance of showers in the late morning and early afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the afternoon. Waves occasionally around 7 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 66 degrees. $$ AM You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes