FZUS53 KDTX 110521 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 121 AM EDT Wed Mar 11 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. LHZ422-111330- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 121 AM EDT Wed Mar 11 2026 .OVERNIGHT...Northeast winds 20 to 25 knots. Freezing rain, possible rain and thunderstorms. Waves 2 to 4 feet. .TODAY...North winds 15 to 20 knots backing to the northwest early in the afternoon. A chance of light freezing rain and a slight chance of thunderstorms early in the morning. A chance of light rain until late afternoon, then light rain, possible snow and sleet early in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest winds 20 to 25 knots increasing to 30 knots in the late evening and overnight. Gusts to 35 knot gales. Mostly cloudy with a chance of light snow early in the evening, then partly cloudy in the late evening and overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. A Gale Warning may be needed. .THURSDAY...West winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots in the late morning and afternoon. Mostly sunny. Waves 2 feet or less. Wave heights are for ice free areas. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-111330- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 121 AM EDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .OVERNIGHT...Northeast winds 20 to 25 knots. Freezing rain, possible rain and thunderstorms. Waves 6 to 9 feet. Waves occasionally around 12 feet. .TODAY...Northeast winds 20 to 25 knots becoming north 15 to 20 knots in the late morning and early afternoon, then becoming northwest 20 to 25 knots early in the afternoon. A slight chance of light rain and freezing rain early in the morning, then a chance of light rain in the late morning and early afternoon. Light rain, light sleet and light freezing rain early in the afternoon. Waves 5 to 7 feet. Waves occasionally around 10 feet. .TONIGHT...Northwest winds 20 to 25 knots increasing to 30 knots in the late evening and overnight. Gusts to 35 knot gales. Mostly cloudy with a chance of light snow early in the evening, then partly cloudy in the late evening and overnight. Waves 6 to 9 feet. Waves occasionally around 12 feet. A Gale Warning may be needed. .THURSDAY...Northwest winds 20 to 25 knots becoming west 15 to 20 knots in the late morning and afternoon. Mostly sunny early in the morning becoming partly cloudy. Waves 4 to 6 feet subsiding to 1 to 3 feet early in the afternoon. Waves occasionally around 8 feet. Wave heights are for ice free areas. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-111330- Port Austin to Harbor Beach MI- 121 AM EDT Wed Mar 11 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .OVERNIGHT...East winds 15 to 20 knots. Rain, a chance of thunderstorms and freezing rain. Waves 5 to 7 feet. Waves occasionally around 10 feet. .TODAY...Northeast winds 15 to 20 knots becoming north 10 to 15 knots in the late morning and early afternoon, then becoming northwest 20 to 25 knots early in the afternoon. A chance of light rain and a slight chance of thunderstorms early in the morning, then light rain likely in the late morning and early afternoon. Light rain with light freezing rain likely early in the afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet. .TONIGHT...Northwest winds 20 to 25 knots increasing to 30 knots in the late evening and overnight. Gusts to 35 knot gales. Mostly cloudy with a chance of light snow, light freezing rain likely and a chance of light sleet early in the evening, then mostly cloudy with a slight chance of light snow in the late evening and early morning. Partly cloudy after midnight. Waves 6 to 9 feet. Waves occasionally around 12 feet. A Gale Warning may be needed. .THURSDAY...Northwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots in the late morning and afternoon. Partly cloudy. Waves 5 to 7 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 10 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-111330- Harbor Beach to Port Sanilac MI- 121 AM EDT Wed Mar 11 2026 .OVERNIGHT...East winds 15 to 20 knots. Rain and a chance of thunderstorms. Waves 2 to 4 feet. .TODAY...Southeast winds 10 to 15 knots veering to the southwest in the late morning and early afternoon, then becoming northwest 15 to 20 knots early in the afternoon. Light rain and a slight chance of thunderstorms. A chance of light freezing rain in the afternoon. Waves 2 to 4 feet. .TONIGHT...Northwest winds 20 to 25 knots increasing to 30 knots in the late evening and overnight. Gusts to 35 knot gales. Mostly cloudy with a chance of light rain, light sleet, a slight chance of light snow and a chance of light freezing rain early in the evening, then partly cloudy with a slight chance of light snow in the late evening and early morning. Partly cloudy after midnight. Waves 5 to 7 feet. Waves occasionally around 10 feet. A Gale Warning may be needed. .THURSDAY...Northwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots in the late morning and afternoon. Partly cloudy. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 8 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-111330- Port Sanilac to Port Huron MI- 121 AM EDT Wed Mar 11 2026 .OVERNIGHT...Southeast winds 15 to 20 knots. Rain and a chance of thunderstorms. Waves 2 to 4 feet. .TODAY...South winds 10 to 15 knots becoming west 15 to 20 knots early in the afternoon. A chance of light rain and thunderstorms early in the morning, then a slight chance of thunderstorms in the late morning and early afternoon. Rain in the late morning and afternoon. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. .TONIGHT...Northwest winds 20 to 25 knots increasing to 30 knots in the late evening and overnight. Gusts to 35 knot gales. Mostly cloudy with a chance of light rain, a slight chance of light snow and sleet early in the evening, then partly cloudy with a slight chance of light snow in the late evening and early morning. Partly cloudy after midnight. Waves 3 to 5 feet. Waves occasionally around 6 feet. A Gale Warning may be needed. .THURSDAY...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots early in the afternoon. Partly cloudy becoming mostly sunny in the late morning and early afternoon becoming 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. $$ LEZ444-111330- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 121 AM EDT Wed Mar 11 2026 ...SEVERE THUNDERSTORM WATCH 39 IN EFFECT UNTIL 3 AM EDT EARLY THIS MORNING... .OVERNIGHT...Southeast winds 10 to 15 knots becoming south 15 to 20 knots early in the morning. Rain and a chance of thunderstorms. Waves 1 to 3 feet. .TODAY...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Rain and a chance of thunderstorms until late afternoon, then light rain early in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest winds 20 to 25 knots with gusts to 30 knots. Mostly cloudy with a slight chance of light rain early in the evening, then partly cloudy with a slight chance of light rain and snow in the late evening and early morning. Partly cloudy after midnight. Waves 2 to 4 feet. A Small Craft Advisory may be needed. .THURSDAY...Northwest winds 15 to 20 knots becoming west 10 to 15 knots in the late morning and afternoon. Mostly sunny. Waves 2 feet or less. Wave heights are for ice free areas. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 37 degrees. $$ TF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes