FZUS53 KDTX 122001 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 401 PM EDT Thu Mar 12 2026 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. LHZ422-130415- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 401 PM EDT Thu Mar 12 2026 ...GALE WARNING IN EFFECT FROM 4 AM EDT FRIDAY THROUGH LATE FRIDAY NIGHT... .TONIGHT...West winds 10 to 15 knots becoming south 5 to 10 knots this evening, then becoming southeast 10 to 15 knots after midnight increasing to 20 to 25 knots with gusts to 40 knot gales early in the morning. Partly cloudy in the evening, then snow after midnight. Snow may be heavy at times after midnight. Waves 2 feet or less building to 2 to 4 feet early in the morning. .FRIDAY...South winds to 30 knots with gusts to 45 knot gales becoming southwest 20 to 25 knots with gusts to 35 knot gales early in the afternoon. Light snow and a slight chance of light rain early in the morning, then light rain with light snow likely in the late morning and early afternoon. A chance of light rain and snow early in the afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet. .FRIDAY NIGHT...West winds to 30 knots with gusts to 40 knot gales becoming northwest 20 to 25 knots after midnight. Mostly cloudy with a chance of light rain early in the evening, then partly cloudy in the late evening and overnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SATURDAY...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late morning and early afternoon, then becoming southwest 5 to 10 knots early in the afternoon. Partly cloudy. Waves 1 to 3 feet. Wave heights are for ice free areas. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-130415- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 401 PM EDT Thu Mar 12 2026 ...GALE WARNING IN EFFECT FROM 4 AM EDT FRIDAY THROUGH LATE FRIDAY NIGHT... .TONIGHT...Northwest winds 5 to 10 knots backing to the southwest this evening, then becoming southeast 10 to 15 knots after midnight increasing to 20 to 25 knots with gusts to 35 knot gales early in the morning. Mostly clear in the evening, then snow after midnight. Snow may be heavy at times after midnight. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. .FRIDAY...Southeast winds to 30 knots veering to the south in the late morning and early afternoon, then becoming southwest 20 to 25 knots early in the afternoon. Gusts to 40 knot gales. Light snow in the morning. Light rain. A chance of light snow in the afternoon. Waves 5 to 7 feet. Waves occasionally around 10 feet. .FRIDAY NIGHT...Northwest gales to 35 knot gales with gusts to 40 knot gales diminishing to 20 to 25 knots with gusts to 30 knots after midnight. Mostly cloudy with a chance of light rain and snow early in the evening, then partly cloudy in the late evening and overnight. Waves 8 to 12 feet. Waves occasionally around 15 feet. .SATURDAY...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots in the late morning and early afternoon, then becoming southwest 5 to 10 knots early in the afternoon. Partly cloudy. Waves 5 to 7 feet subsiding to 1 to 3 feet. Waves occasionally around 10 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-130415- Port Austin to Harbor Beach MI- 401 PM EDT Thu Mar 12 2026 ...GALE WARNING IN EFFECT FROM 4 AM EDT FRIDAY THROUGH LATE FRIDAY NIGHT... .TONIGHT...Northwest winds 5 to 10 knots backing to the south this evening, then becoming southeast 10 to 15 knots after midnight increasing to 20 to 25 knots with gusts to 30 knots early in the morning. Mostly clear in the evening, then mostly cloudy with snow likely after midnight. Snow may be heavy at times after midnight. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. .FRIDAY...South winds to 30 knots with gusts to 45 knot gales becoming southwest 20 to 25 knots with gusts to 35 knot gales early in the afternoon. Light snow until late afternoon. Light rain in the late morning and early afternoon, then a chance of light rain and snow early in the afternoon. Waves 8 to 12 feet subsiding to 4 to 6 feet early in the afternoon. Waves occasionally around 15 feet. .FRIDAY NIGHT...West gales to 35 knot gales becoming northwest to 30 knots after midnight. Gusts to 40 knot gales. Mostly cloudy. A chance of light rain and snow early in the evening. Waves 6 to 9 feet building to 10 to 14 feet in the late evening and overnight. Waves occasionally around 18 feet. .SATURDAY...Northwest winds 20 to 25 knots diminishing to 5 to 10 knots. Partly cloudy. Waves 6 to 9 feet subsiding to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 12 feet. Wave heights are for ice free areas. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-130415- Harbor Beach to Port Sanilac MI- 401 PM EDT Thu Mar 12 2026 ...GALE WARNING IN EFFECT FROM 4 AM EDT FRIDAY THROUGH LATE FRIDAY NIGHT... .TONIGHT...Northwest winds 10 to 15 knots becoming west 5 to 10 knots this evening, then becoming south 10 to 15 knots after midnight increasing to 20 to 25 knots with gusts to 30 knots early in the morning. Mostly clear in the evening, then mostly cloudy with snow likely after midnight. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. .FRIDAY...Southeast gales to 35 knot gales with gusts to 45 knot gales becoming south to 30 knots with gusts to 40 knot gales in the late morning and early afternoon, then becoming southwest 20 to 25 knots with gusts to 35 knot gales early in the afternoon. Snow until late afternoon. Light rain in the late morning and early afternoon, then a chance of light rain and snow early in the afternoon. Waves 8 to 12 feet subsiding to 3 to 5 feet early in the afternoon. Waves occasionally around 15 feet. .FRIDAY NIGHT...West winds to 30 knots becoming northwest gales to 35 knot gales in the late evening and early morning, then diminishing to 30 knots after midnight. Gusts to 45 knot gales diminishing to Gusts to 35 knot gales after midnight. Mostly cloudy early in the evening becoming partly cloudy. A chance of light rain and snow early in the evening. Waves 3 to 5 feet building to 8 to 12 feet in the late evening and overnight. Waves occasionally around 15 feet. .SATURDAY...Northwest winds 20 to 25 knots diminishing to 5 to 10 knots. Partly cloudy. Waves 5 to 7 feet subsiding to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 10 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-130415- Port Sanilac to Port Huron MI- 401 PM EDT Thu Mar 12 2026 ...GALE WARNING IN EFFECT FROM 4 AM EDT FRIDAY THROUGH LATE FRIDAY NIGHT... .TONIGHT...Northwest winds 10 to 15 knots becoming southwest 5 to 10 knots this evening, then backing to the south after midnight becoming southeast 15 to 20 knots with gusts to 30 knots early in the morning. Mostly clear in the evening, then mostly cloudy with snow likely after midnight. Waves 1 to 3 feet building to 2 to 4 feet early in the morning. .FRIDAY...South winds to 30 knots becoming southwest 20 to 25 knots early in the afternoon. Gusts to 45 knot gales. Snow until late afternoon. Light rain in the late morning and early afternoon, then a chance of light rain early in the afternoon. Waves 6 to 9 feet subsiding to 3 to 5 feet early in the afternoon. Waves occasionally around 12 feet. .FRIDAY NIGHT...West winds to 30 knots becoming northwest gales to 35 knot gales in the late evening and early morning, then diminishing to 30 knots after midnight. Gusts to 45 knot gales diminishing to Gusts to 35 knot gales after midnight. Mostly cloudy early in the evening becoming partly cloudy. A chance of light rain and snow early in the evening. Waves 3 to 5 feet building to 5 to 7 feet in the late evening and overnight. Waves occasionally around 10 feet. .SATURDAY...Northwest winds 20 to 25 knots becoming north 5 to 10 knots. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the afternoon. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-130415- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 401 PM EDT Thu Mar 12 2026 ...GALE WARNING IN EFFECT FROM 4 AM EDT FRIDAY THROUGH LATE FRIDAY NIGHT... ...LOW WATER ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 4 AM EDT SATURDAY... .TONIGHT...West winds 10 to 15 knots becoming southwest 5 to 10 knots in the late evening and early morning, then becoming south 15 to 20 knots early in the morning. Mostly clear in the evening, then mostly cloudy with light rain and snow likely after midnight. Waves 2 feet or less building to 2 to 4 feet early in the morning. .FRIDAY...Southwest winds to 30 knots veering to the west early in the afternoon. Gusts to 45 knot gales. Mostly cloudy early in the morning becoming partly cloudy. A chance of light snow early in the morning. A chance of light rain until late afternoon, then a slight chance of light rain early in the afternoon. Waves 4 to 6 feet. Waves occasionally around 7 feet. .FRIDAY NIGHT...West winds to 30 knots with gusts to 45 knot gales becoming northwest 20 to 25 knots with gusts to 30 knots after midnight. Partly cloudy. Waves 4 to 6 feet subsiding to 2 to 4 feet after midnight. Waves occasionally around 8 feet. .SATURDAY...Northwest winds 10 to 15 knots becoming west 5 to 10 knots in the late morning and early afternoon, then backing to the south early in the afternoon. Partly cloudy. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 39 degrees. $$ AM You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes