


Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
309 FZUS53 KDTX 101341 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 941 AM EDT Sun Aug 10 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. LHZ422-102200- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 941 AM EDT Sun Aug 10 2025 .REST OF TODAY...South winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. .TONIGHT...South winds 10 to 15 knots. Mostly clear. A slight chance of showers early in the evening. Waves 1 to 3 feet. .MONDAY...Southwest winds 10 to 15 knots. Mostly sunny until late afternoon becoming partly cloudy. A slight chance of showers until late afternoon, then a chance of showers and thunderstorms early in the afternoon. Waves 1 to 3 feet. .MONDAY NIGHT...Southwest winds 10 to 15 knots. Partly cloudy. A chance of showers and thunderstorms until early morning, then a chance of showers after midnight. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-102200- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 941 AM EDT Sun Aug 10 2025 .REST OF TODAY...South winds 10 to 15 knots. Mostly sunny. Waves 2 feet or less. .TONIGHT...South winds 10 to 15 knots. Mostly clear. Waves 1 to 3 feet. .MONDAY...Southwest winds 10 to 15 knots. Mostly sunny until late afternoon becoming partly cloudy. A slight chance of showers until late afternoon, then a chance of showers and thunderstorms early in the afternoon. Waves 1 to 3 feet. .MONDAY NIGHT...Southwest winds 10 to 15 knots. Partly cloudy. A chance of thunderstorms early in the evening. A chance of showers. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-102200- Port Austin to Harbor Beach MI- 941 AM EDT Sun Aug 10 2025 .REST OF TODAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet. .TONIGHT...South winds 10 to 15 knots. Mostly clear. Waves 1 to 3 feet. .MONDAY...South winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and early afternoon, then increasing to 10 to 15 knots early in the afternoon. Mostly sunny until late afternoon becoming partly cloudy. A slight chance of showers until late afternoon, then a chance of showers early in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Partly cloudy. A chance of showers. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-102200- Harbor Beach to Port Sanilac MI- 941 AM EDT Sun Aug 10 2025 .REST OF TODAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet. .TONIGHT...South winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Mostly clear. Waves 1 to 3 feet. .MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Mostly sunny until late afternoon becoming partly cloudy. A chance of showers early in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...South winds 5 to 10 knots. Partly cloudy. A chance of showers early in the evening. A chance of showers after midnight. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-102200- Port Sanilac to Port Huron MI- 941 AM EDT Sun Aug 10 2025 .REST OF TODAY...South winds 5 to 10 knots increasing to 10 to 15 knots late in the afternoon. Mostly sunny. Waves 2 feet or less. .TONIGHT...South winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Clear. Waves 2 feet or less. .MONDAY...South winds 5 to 10 knots increasing to 10 to 15 knots early in the afternoon. Mostly sunny. A slight chance of showers in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...South winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-102200- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 941 AM EDT Sun Aug 10 2025 .REST OF TODAY...South winds 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .TONIGHT...South winds 5 to 10 knots. Clear. Waves 2 feet or less. .MONDAY...South winds 5 to 10 knots. Sunny. Waves 2 feet or less. .MONDAY NIGHT...South winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 78 degrees. $$ TF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes