


Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
241 FZUS53 KDTX 291951 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 351 PM EDT Sun Jun 29 2025 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. LHZ422-300400- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 351 PM EDT Sun Jun 29 2025 .TONIGHT...South winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Mostly clear. Waves 2 feet or less. .MONDAY...South winds 5 to 10 knots becoming southwest 10 to 15 knots early in the afternoon. Partly cloudy. A chance of showers and a slight chance of thunderstorms in the morning, then thunderstorms likely and a chance of showers in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...Southwest winds 10 to 15 knots becoming west 5 to 10 knots in the late evening and early morning, then becoming northwest 10 to 15 knots after midnight. Partly cloudy. Thunderstorms likely and a chance of showers in the evening. Waves 2 feet or less. .TUESDAY...West winds 10 to 15 knots. Mostly sunny. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-300400- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 351 PM EDT Sun Jun 29 2025 .TONIGHT...South winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Mostly clear. Waves 2 feet or less. .MONDAY...South winds 5 to 10 knots becoming southwest 10 to 15 knots early in the afternoon. Partly cloudy. A chance of showers and a slight chance of thunderstorms in the morning, then thunderstorms likely and a chance of showers in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...Southwest winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and overnight. Mostly cloudy with thunderstorms likely and a chance of showers in the evening, then partly cloudy after midnight. Waves 2 feet or less. .TUESDAY...West winds 10 to 15 knots. Mostly sunny. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-300400- Port Austin to Harbor Beach MI- 351 PM EDT Sun Jun 29 2025 .TONIGHT...Southeast winds 10 to 15 knots becoming south 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Mostly sunny with a chance of showers in the morning, then partly cloudy with thunderstorms likely and a chance of showers in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...South winds 5 to 10 knots veering to the west in the late evening and overnight. Mostly cloudy. Light showers and thunderstorms likely in the evening. Waves 2 feet or less. .TUESDAY...Northwest winds 5 to 10 knots becoming west 10 to 15 knots in the late morning and afternoon. Partly cloudy in the morning then clearing. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-300400- Harbor Beach to Port Sanilac MI- 351 PM EDT Sun Jun 29 2025 .TONIGHT...South winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Mostly sunny with a chance of showers and a slight chance of thunderstorms in the morning, then partly cloudy with showers and thunderstorms likely in the afternoon. Locally heavy rainfall possible in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...Southwest winds 5 to 10 knots veering to the west after midnight. Mostly cloudy. Light showers and thunderstorms likely in the evening, then showers likely after midnight. Waves 2 feet or less. .TUESDAY...West winds 5 to 10 knots. Partly cloudy in the morning then clearing. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-300400- Port Sanilac to Port Huron MI- 351 PM EDT Sun Jun 29 2025 .TONIGHT...South winds 5 to 10 knots. Clear. Waves 2 feet or less. .MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Mostly sunny with a chance of showers and a slight chance of thunderstorms in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...Southwest winds 5 to 10 knots veering to the west after midnight. Mostly cloudy. Light showers likely and a chance of thunderstorms in the evening. Waves 2 feet or less. .TUESDAY...West winds 5 to 10 knots. Partly cloudy in the morning becoming mostly sunny. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-300400- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 351 PM EDT Sun Jun 29 2025 .TONIGHT...Southeast winds 5 to 10 knots veering to the southwest early in the morning. Mostly clear. Waves 2 feet or less. .MONDAY...South winds 5 to 10 knots. A chance of showers and thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...Southwest winds 5 to 10 knots becoming west 10 to 15 knots in the late evening and overnight. Partly cloudy with showers with thunderstorms likely in the evening, then mostly cloudy after midnight. Waves 2 feet or less. .TUESDAY...West winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 73 degrees. $$ SF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes