FZUS53 KDTX 221343 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 943 AM EDT Sun Mar 22 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. LHZ422-222145- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 943 AM EDT Sun Mar 22 2026 .REST OF TODAY...North winds 10 to 15 knots increasing to 15 to 20 knots late in the afternoon. Mostly cloudy. Light rain likely late in the morning, then a slight chance of light rain in the afternoon. Waves 1 to 3 feet. .TONIGHT...North winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Mostly cloudy. Waves 1 to 3 feet. .MONDAY...North winds 10 to 15 knots becoming northwest 5 to 10 knots early in the afternoon. Partly cloudy until late afternoon becoming mostly sunny. Waves 2 feet or less. .MONDAY NIGHT...North winds 5 to 10 knots veering to the northeast in the late evening and early morning, then veering to the south after midnight. Mostly clear. Waves 2 feet or less. Wave heights are for ice free areas. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-222145- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 943 AM EDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .REST OF TODAY...North winds 15 to 20 knots increasing to 20 to 25 knots late in the afternoon. Mostly cloudy with a slight chance of light rain. Waves 3 to 5 feet building to 5 to 7 feet late in the afternoon. Waves occasionally around 10 feet. .TONIGHT...North winds 20 to 25 knots diminishing to 15 to 20 knots in the late evening and overnight. Mostly cloudy. Waves 5 to 7 feet. Waves occasionally around 10 feet. .MONDAY...North winds 15 to 20 knots diminishing to 10 to 15 knots in the late morning and afternoon. Partly cloudy until late afternoon becoming mostly sunny. Waves 3 to 5 feet. Waves occasionally around 7 feet. .MONDAY NIGHT...North winds 10 to 15 knots becoming northeast 5 to 10 knots in the late evening and early morning, then becoming south 10 to 15 knots after midnight. Mostly clear. Waves 1 to 3 feet. Wave heights are for ice free areas. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-222145- Port Austin to Harbor Beach MI- 943 AM EDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .REST OF TODAY...North winds 15 to 20 knots. Mostly cloudy with a slight chance of light rain. Waves 2 to 4 feet building to 4 to 6 feet late in the afternoon. Waves occasionally around 8 feet. .TONIGHT...North winds 20 to 25 knots diminishing to 15 to 20 knots in the late evening and overnight. Mostly cloudy. Waves 5 to 7 feet. Waves occasionally around 10 feet. .MONDAY...North winds 15 to 20 knots diminishing to 10 to 15 knots in the late morning and afternoon. Mostly cloudy becoming partly cloudy in the late morning and early afternoon becoming mostly sunny. Waves 3 to 5 feet. Waves occasionally around 7 feet. .MONDAY NIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and early morning, then backing to the southwest after midnight. Mostly clear. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-222145- Harbor Beach to Port Sanilac MI- 943 AM EDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .REST OF TODAY...North winds 15 to 20 knots increasing to 20 to 25 knots late in the afternoon. Mostly cloudy. Light rain likely late in the morning, then a slight chance of light rain in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the afternoon. Waves occasionally around 7 feet. .TONIGHT...North winds 20 to 25 knots diminishing to 15 to 20 knots in the late evening and overnight. Mostly cloudy. Waves 5 to 7 feet. Waves occasionally around 10 feet. .MONDAY...North winds 15 to 20 knots diminishing to 10 to 15 knots early in the afternoon. Mostly cloudy early in the morning becoming partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. .MONDAY NIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and early morning, then backing to the southwest after midnight. Clear. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-222145- Port Sanilac to Port Huron MI- 943 AM EDT Sun Mar 22 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .REST OF TODAY...North winds 15 to 20 knots increasing to 20 to 25 knots late in the afternoon. Mostly cloudy. Light rain likely late in the morning, then a slight chance of light rain in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the afternoon. Waves occasionally around 7 feet. .TONIGHT...North winds 20 to 25 knots diminishing to 15 to 20 knots after midnight. Mostly cloudy. A slight chance of light rain early in the evening. Waves 5 to 7 feet. Waves occasionally around 10 feet. .MONDAY...North winds 15 to 20 knots diminishing to 10 to 15 knots early in the afternoon. Mostly cloudy early in the morning becoming partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. .MONDAY NIGHT...North winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and early morning, then backing to the west after midnight. Mostly clear. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-222145- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 943 AM EDT Sun Mar 22 2026 .REST OF TODAY...East winds 5 to 10 knots becoming northeast 15 to 20 knots late in the afternoon. Mostly cloudy. A chance of light rain and thunderstorms late in the morning, then light rain likely and a chance of thunderstorms in the afternoon. Waves 2 feet or less. .TONIGHT...North winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly cloudy. Light rain likely early in the evening, then light rain likely and a chance of light snow in the late evening and early morning. Waves 1 to 3 feet. .MONDAY...North winds 10 to 15 knots becoming northwest 5 to 10 knots early in the afternoon. Partly cloudy until late afternoon becoming mostly sunny. Waves 2 feet or less. .MONDAY NIGHT...North winds 5 to 10 knots veering to the southeast after midnight. Mostly clear. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 37 degrees. $$ AM You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes