![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
501 FZUS53 KDTX 201930 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 330 PM EDT Sat Jul 20 2024 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. LHZ422-210330- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 330 PM EDT Sat Jul 20 2024 .TONIGHT...Southwest winds 10 to 15 knots diminishing to 5 to 10 knots this evening, then becoming northwest 10 to 15 knots after midnight diminishing to 5 to 10 knots early in the morning. Mostly clear. Waves 2 feet or less. .SUNDAY...North winds 5 to 10 knots becoming northeast 10 to 15 knots early in the afternoon. Partly cloudy. Isolated showers and thunderstorms in the afternoon. Waves 2 feet or less. .SUNDAY NIGHT...Northeast winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Partly cloudy. Waves 2 feet or less. .MONDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-210330- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 330 PM EDT Sat Jul 20 2024 .TONIGHT...Southwest winds 10 to 15 knots diminishing to 5 to 10 knots this evening, then veering to the northwest after midnight. Mostly clear. Waves 2 feet or less. .SUNDAY...North winds 5 to 10 knots becoming northeast 10 to 15 knots in the late morning and afternoon. Partly cloudy. Isolated showers and thunderstorms in the afternoon. Waves 2 feet or less. .SUNDAY NIGHT...Northeast winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Mostly clear. Waves 2 feet or less. .MONDAY...Northeast winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-210330- Port Austin to Harbor Beach MI- 330 PM EDT Sat Jul 20 2024 .TONIGHT...South winds 5 to 10 knots veering to the north early in the morning. Partly cloudy. Waves 2 feet or less. .SUNDAY...North winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .SUNDAY NIGHT...Northeast winds 5 to 10 knots until early morning becoming light and variable. Mostly clear. Waves 2 feet or less. .MONDAY...Light and variable winds becoming northeast 5 to 10 knots early in the afternoon. Partly cloudy in the morning becoming mostly sunny. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-210330- Harbor Beach to Port Sanilac MI- 330 PM EDT Sat Jul 20 2024 .TONIGHT...South winds 5 to 10 knots veering to the northwest early in the morning. Partly cloudy. Waves 2 feet or less. .SUNDAY...North winds 5 to 10 knots becoming northeast 10 to 15 knots early in the afternoon. Mostly sunny. Isolated showers and thunderstorms in the afternoon. Waves 2 feet or less. .SUNDAY NIGHT...Northeast winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .MONDAY...Light and variable winds becoming northeast 5 to 10 knots in the late morning and afternoon. Partly cloudy in the morning becoming mostly sunny. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-210330- Port Sanilac to Port Huron MI- 330 PM EDT Sat Jul 20 2024 .TONIGHT...South winds 5 to 10 knots veering to the west after midnight. Partly cloudy. Waves 2 feet or less. .SUNDAY...North winds 5 to 10 knots becoming northeast 10 to 15 knots early in the afternoon. Mostly sunny. Isolated showers and thunderstorms in the afternoon. Waves 2 feet or less. .SUNDAY NIGHT...Northeast winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Partly cloudy. Waves 2 feet or less. .MONDAY...Light and variable winds becoming northeast 5 to 10 knots in the late morning and afternoon. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-210330- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 330 PM EDT Sat Jul 20 2024 .TONIGHT...Light and variable winds. Partly cloudy. Waves 2 feet or less. .SUNDAY...Light and variable winds. Partly cloudy. Waves 2 feet or less. .SUNDAY NIGHT...Light and variable winds. Partly cloudy. Waves 2 feet or less. .MONDAY...Light and variable winds becoming southeast 5 to 10 knots early in the afternoon. Partly cloudy. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 75 degrees. $$ KDK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes