FZUS53 KDTX 191945 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 345 PM EDT Fri Jun 19 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. LHZ422-200345- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 345 PM EDT Fri Jun 19 2026 .TONIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Partly cloudy with a slight chance of showers. Waves 2 feet or less. .SATURDAY...Southwest winds 5 to 10 knots backing to the southeast early in the afternoon. Mostly cloudy becoming partly cloudy in the late morning and early afternoon becoming mostly sunny. A chance of showers until late afternoon, then showers likely and a chance of thunderstorms early in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...Northwest winds 5 to 10 knots. Mostly clear. A chance of showers and thunderstorms early 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. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-200345- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 345 PM EDT Fri Jun 19 2026 .TONIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Clear in the evening becoming partly cloudy. A slight chance of showers. Waves 1 to 3 feet. .SATURDAY...Southwest winds 5 to 10 knots backing to the south early in the afternoon. Mostly cloudy becoming partly cloudy in the late morning and early afternoon becoming mostly sunny. A chance of showers until late afternoon, then a chance of showers and thunderstorms early in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...Northeast winds 5 to 10 knots backing to the northwest in the late evening and overnight. Mostly clear. A chance of thunderstorms early in the evening. Waves 2 feet or less. .SUNDAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable, then becoming southeast 5 to 10 knots early in the afternoon. Partly cloudy becoming mostly sunny in the late morning and early afternoon becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-200345- Port Austin to Harbor Beach MI- 345 PM EDT Fri Jun 19 2026 .TONIGHT...Northwest winds 5 to 10 knots. Clear in the evening becoming partly cloudy. Waves 2 feet or less. .SATURDAY...West winds 5 to 10 knots until late afternoon becoming light and variable. Partly cloudy becoming mostly cloudy in the late morning and early afternoon becoming mostly sunny. A chance of showers until late afternoon, then a slight chance of showers and thunderstorms early in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...Light and variable winds becoming northwest 5 to 10 knots after midnight. Partly cloudy. 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. Partly cloudy becoming mostly sunny in the late morning and early afternoon becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-200345- Harbor Beach to Port Sanilac MI- 345 PM EDT Fri Jun 19 2026 .TONIGHT...Northwest winds 10 to 15 knots becoming west 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .SATURDAY...West winds 5 to 10 knots backing to the southeast early in the afternoon. Partly cloudy. A chance of showers until late afternoon, then a chance of showers and thunderstorms early in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...Light and variable winds becoming northwest 5 to 10 knots after midnight. Partly cloudy. Light showers likely early in the evening. Waves 2 feet or less. .SUNDAY...Light and variable winds becoming north 5 to 10 knots in the late morning and early afternoon, then veering to the east early in the afternoon. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-200345- Port Sanilac to Port Huron MI- 345 PM EDT Fri Jun 19 2026 .TONIGHT...Northwest winds 10 to 15 knots becoming west 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .SATURDAY...Southwest winds 5 to 10 knots backing to the east early in the afternoon. Partly cloudy. A chance of showers until late afternoon, then a chance of showers and thunderstorms early in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...Light and variable winds becoming west 5 to 10 knots in the late evening and overnight. Partly cloudy. Light showers likely and a chance of thunderstorms early in the evening. Waves 2 feet or less. .SUNDAY...Northwest winds 5 to 10 knots veering to the northeast in the late morning and afternoon. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-200345- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 345 PM EDT Fri Jun 19 2026 .TONIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots early in the morning. Partly cloudy. A chance of showers after midnight. Waves 2 feet or less. .SATURDAY...West winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Partly cloudy with a chance of showers early in the morning, then mostly sunny in the late morning and afternoon. Waves 2 feet or less. .SATURDAY NIGHT...West winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and overnight. Clear. Waves 2 feet or less. .SUNDAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable, then becoming south 5 to 10 knots early in the afternoon. Mostly sunny early in the morning becoming partly cloudy. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 65 degrees. $$ AM You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes