


Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
566 FZUS53 KDTX 130803 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 403 AM EDT Sun Jul 13 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. LHZ422-131615- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 403 AM EDT Sun Jul 13 2025 .TODAY...Southwest winds 5 to 10 knots. Mostly sunny in the morning becoming partly cloudy. Waves 2 feet or less. .TONIGHT...West winds 5 to 10 knots. Partly cloudy in the evening then clearing. Waves 2 feet or less. .MONDAY...West winds 5 to 10 knots becoming southwest 10 to 15 knots in the late morning and afternoon. Sunny. Waves 2 feet or less. .MONDAY NIGHT...Southwest winds 5 to 10 knots veering to the northwest after midnight. Clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-131615- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 403 AM EDT Sun Jul 13 2025 .TODAY...West winds 10 to 15 knots becoming southwest 5 to 10 knots in the late morning and afternoon. Mostly sunny in the morning becoming partly cloudy. Waves 2 feet or less. .TONIGHT...West winds 5 to 10 knots. Partly cloudy in the evening then clearing. Waves 2 feet or less. .MONDAY...West winds 5 to 10 knots becoming southwest 10 to 15 knots in the late morning and afternoon. Sunny. Waves 1 to 3 feet. .MONDAY NIGHT...Southwest winds 5 to 10 knots veering to the north after midnight. Clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-131615- Port Austin to Harbor Beach MI- 403 AM EDT Sun Jul 13 2025 .TODAY...West winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .TONIGHT...Southwest winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .MONDAY...Southwest winds 5 to 10 knots. Sunny. Waves 2 feet or less. .MONDAY NIGHT...Southwest winds 5 to 10 knots veering to the west after midnight. Clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-131615- Harbor Beach to Port Sanilac MI- 403 AM EDT Sun Jul 13 2025 .TODAY...Southwest winds 5 to 10 knots. Partly cloudy with a slight chance of showers. Waves 2 feet or less. .TONIGHT...Light and variable winds becoming southwest 5 to 10 knots in the late evening and overnight. Partly cloudy. Waves 2 feet or less. .MONDAY...West winds 5 to 10 knots backing to the south early in the afternoon. Sunny. Waves 2 feet or less. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-131615- Port Sanilac to Port Huron MI- 403 AM EDT Sun Jul 13 2025 .TODAY...West winds 5 to 10 knots until late afternoon becoming light and variable. Partly cloudy. A chance of showers in the morning, then a slight chance of showers in the afternoon. Waves 2 feet or less. .TONIGHT...Light and variable winds becoming west 5 to 10 knots in the late evening and overnight. Partly cloudy. A slight chance of showers in the evening. Waves 2 feet or less. .MONDAY...West winds 5 to 10 knots early in the morning becoming light and variable. Sunny. Waves 2 feet or less. .MONDAY NIGHT...Light and variable winds becoming southwest 5 to 10 knots in the late evening and overnight. Clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-131615- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 403 AM EDT Sun Jul 13 2025 .TODAY...Southwest winds 5 to 10 knots. Partly cloudy. A chance of showers in the morning, then a slight chance of showers in the afternoon. Waves 2 feet or less. .TONIGHT...Northwest winds 5 to 10 knots. Partly cloudy. A slight chance of showers and thunderstorms in the evening. Waves 2 feet or less. .MONDAY...Northwest winds 5 to 10 knots early in the morning becoming light and variable. Sunny. Waves 2 feet or less. .MONDAY NIGHT...Light and variable winds. Clear. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 75 degrees. $$ BT You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes