


Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
836 FZUS53 KDTX 041342 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 942 AM EDT Fri Jul 4 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. LHZ422-042145- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 942 AM EDT Fri Jul 4 2025 .REST OF TODAY...Southeast winds 5 to 10 knots. Mostly sunny. A slight chance of showers in the afternoon. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 2 feet or less. .SATURDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly sunny in the morning becoming partly cloudy. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. .SATURDAY NIGHT...Southwest winds 15 to 20 knots. Partly cloudy. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-042145- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 942 AM EDT Fri Jul 4 2025 .REST OF TODAY...Southeast winds 5 to 10 knots. Sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 10 to 15 knots veering to the south after midnight. Partly cloudy. Waves 2 feet or less. .SATURDAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots early in the afternoon. Mostly sunny in the morning becoming partly cloudy. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. .SATURDAY NIGHT...Southwest winds 15 to 20 knots. Partly cloudy. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-042145- Port Austin to Harbor Beach MI- 942 AM EDT Fri Jul 4 2025 .REST OF TODAY...Southeast winds 5 to 10 knots. Sunny. Waves 2 feet or less. .TONIGHT...South winds 10 to 15 knots. Partly cloudy. Waves 2 feet or less. .SATURDAY...Southwest winds 10 to 15 knots. Mostly sunny in the morning becoming partly cloudy. Waves 1 to 3 feet. .SATURDAY NIGHT...Southwest winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Partly cloudy. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-042145- Harbor Beach to Port Sanilac MI- 942 AM EDT Fri Jul 4 2025 .REST OF TODAY...Southeast winds 5 to 10 knots. Sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 2 feet or less. .SATURDAY...Southwest winds 10 to 15 knots. Mostly sunny in the morning becoming partly cloudy. Waves 2 feet or less. .SATURDAY NIGHT...South winds 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-042145- Port Sanilac to Port Huron MI- 942 AM EDT Fri Jul 4 2025 .REST OF TODAY...Southeast winds 5 to 10 knots. Sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 2 feet or less. .SATURDAY...South winds 5 to 10 knots becoming southwest 10 to 15 knots in the late morning and afternoon. Mostly sunny in the morning becoming partly cloudy. Waves 2 feet or less. .SATURDAY NIGHT...South winds 10 to 15 knots. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-042145- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 942 AM EDT Fri Jul 4 2025 .REST OF TODAY...Southeast winds 5 to 10 knots. Sunny. A slight chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots veering to the south after midnight. Partly cloudy. A slight chance of showers and thunderstorms in the evening. Waves 2 feet or less. .SATURDAY...Southwest winds 5 to 10 knots increasing to 10 to 15 knots early in the afternoon. Sunny in the morning becoming partly cloudy. Waves 2 feet or less. .SATURDAY NIGHT...South winds 10 to 15 knots. Mostly clear. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 74 degrees. $$ DRK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes