Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
615 FZUS53 KDTX 290308 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 1008 PM EST Fri Nov 28 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. LHZ422-291115- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 1008 PM EST Fri Nov 28 2025 .REST OF TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots early in the morning. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .SATURDAY...Southwest winds 5 to 10 knots becoming south 10 to 15 knots early in the afternoon. Light snow early in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...Southeast winds 15 to 20 knots. Snow. Snow may be heavy at times until early morning. Waves 1 to 3 feet. .SUNDAY...Southwest winds 10 to 15 knots becoming northwest 20 to 25 knots with gusts to 30 knots in the late morning and afternoon. Becoming partly cloudy early in the afternoon. Light snow until late afternoon, then a chance of light snow early in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. A Small Craft Advisory may be needed. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-291115- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 1008 PM EST Fri Nov 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SATURDAY... .REST OF TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots early in the morning. Partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SATURDAY...West winds 10 to 15 knots becoming southwest 5 to 10 knots in the late morning and early afternoon, then becoming south 10 to 15 knots early in the afternoon. Mostly cloudy. Light snow likely early in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Southeast winds 15 to 20 knots. Snow. Snow may be heavy at times until early morning. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet. .SUNDAY...Southwest winds 10 to 15 knots becoming west 20 to 25 knots with gusts to 30 knots in the late morning and early afternoon, then becoming northwest to 30 knots early in the afternoon. Light snow until late afternoon, then a chance of light snow early in the afternoon. Waves 3 to 5 feet building to 6 to 9 feet early in the afternoon. Waves occasionally around 12 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-291115- Port Austin to Harbor Beach MI- 1008 PM EST Fri Nov 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SATURDAY... .REST OF TONIGHT...Northwest winds 20 to 25 knots becoming west 10 to 15 knots. Partly cloudy with a slight chance of light snow. Waves 4 to 6 feet. Waves occasionally around 8 feet. .SATURDAY...West winds 10 to 15 knots becoming southwest 5 to 10 knots in the late morning and afternoon. Mostly cloudy. Light snow likely in the late morning and afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...South winds 15 to 20 knots becoming southeast 20 to 25 knots with gusts to 30 knots in the late evening and overnight. Snow likely early in the evening, then snow in the late evening and overnight. Snow may be heavy at times until early morning. Waves 2 to 4 feet building to 6 to 9 feet in the late evening and overnight. Waves occasionally around 12 feet. .SUNDAY...Southwest winds 15 to 20 knots becoming west 20 to 25 knots in the late morning and early afternoon, then becoming northwest to 30 knots. Light rain in the morning. Light snow. Light rain likely in the afternoon. Waves 4 to 6 feet building to 6 to 9 feet early in the afternoon. Waves occasionally around 12 feet. A Gale Warning may be needed. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-291115- Harbor Beach to Port Sanilac MI- 1008 PM EST Fri Nov 28 2025 .REST OF TONIGHT...West winds 20 to 25 knots diminishing to 15 to 20 knots after midnight. Partly cloudy with a slight chance of light snow. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SATURDAY...West winds 10 to 15 knots becoming southwest 5 to 10 knots in the late morning and early afternoon, then becoming south 10 to 15 knots early in the afternoon. Partly cloudy early in the morning becoming mostly cloudy. Light snow likely in the late morning and afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...Southeast winds 20 to 25 knots. Gusts to 30 knots in the late evening and overnight. Snow until early morning, then light snow and rain after midnight. Snow may be heavy at times until early morning. Waves 3 to 5 feet building to 6 to 9 feet in the late evening and overnight. Waves occasionally around 12 feet. A Small Craft Advisory may be needed. .SUNDAY...South winds 20 to 25 knots veering to the west with gusts to 30 knots in the late morning and afternoon. Light rain and light snow until late afternoon, then light rain and snow likely early in the afternoon. Waves 5 to 7 feet subsiding to 2 to 4 feet in the late morning and early afternoon, then building to 5 to 7 feet early in the afternoon. Waves occasionally around 10 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-291115- Port Sanilac to Port Huron MI- 1008 PM EST Fri Nov 28 2025 .REST OF TONIGHT...West winds 20 to 25 knots diminishing to 10 to 15 knots. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. .SATURDAY...West winds 10 to 15 knots becoming southwest 5 to 10 knots in the late morning and early afternoon, then becoming south 10 to 15 knots early in the afternoon. Partly cloudy early in the morning becoming mostly cloudy. Light snow likely early in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...Southeast winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the late evening and overnight. Snow until early morning, then light snow after midnight. Waves 2 to 4 feet building to 5 to 7 feet in the late evening and overnight. Waves occasionally around 10 feet. A Small Craft Advisory may be needed. .SUNDAY...Southwest winds 20 to 25 knots veering to the west with gusts to 30 knots early in the afternoon. Light rain and light snow until late afternoon, then light rain and snow likely early in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-291115- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 1008 PM EST Fri Nov 28 2025 .REST OF TONIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots early in the morning. Mostly clear. Waves 2 feet or less. .SATURDAY...Southwest winds 5 to 10 knots becoming southeast 10 to 15 knots early in the afternoon. Light snow early in the afternoon. Waves 2 feet or less. .SATURDAY NIGHT...Southeast winds 20 to 25 knots with gusts to 30 knots becoming south to 30 knots after midnight. Snow until early morning, then light rain and snow after midnight. Snow may be heavy at times until early morning. Waves 3 to 5 feet. Waves occasionally around 6 feet. A Small Craft Advisory may be needed. .SUNDAY...Southwest winds to 30 knots becoming west 20 to 25 knots early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Light rain and light snow early in the morning, then light rain and snow likely in the late morning and early afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 41 degrees. $$ KGK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes