FZUS53 KDTX 030736 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 336 AM EDT Fri Apr 3 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. LHZ422-031545- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 336 AM EDT Fri Apr 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Southwest winds to 30 knots with gusts to 35 knot gales becoming west 15 to 20 knots. Mostly cloudy in the morning becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon. Waves occasionally around 7 feet. .TONIGHT...North winds 10 to 15 knots becoming northeast 15 to 20 knots in the late evening and overnight. Partly cloudy until early morning becoming mostly cloudy. Rain likely and a slight chance of thunderstorms after midnight. Waves 1 to 3 feet. .SATURDAY...East winds 15 to 20 knots veering to the south early in the afternoon. Rain. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. .SATURDAY NIGHT...West winds 20 to 25 knots increasing to 30 knots after midnight. Gusts to 35 knot gales. Becoming partly cloudy after midnight. Light rain early in the evening. Waves 3 to 5 feet. Waves occasionally around 7 feet. A Gale Warning may be needed. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-031545- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 336 AM EDT Fri Apr 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Southwest winds to 30 knots with gusts to 35 knot gales becoming west 10 to 15 knots. Mostly cloudy in the morning becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. Waves occasionally around 7 feet. .TONIGHT...North winds 10 to 15 knots becoming northeast 15 to 20 knots in the late evening and overnight. Partly cloudy. A chance of rain and a slight chance of thunderstorms after midnight. Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves occasionally around 7 feet. .SATURDAY...East winds 15 to 20 knots veering to the south early in the afternoon. Rain. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SATURDAY NIGHT...Southwest winds 20 to 25 knots with gusts to 30 knots. Becoming partly cloudy after midnight. Light rain early in the evening. Waves 4 to 6 feet. Waves occasionally around 8 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-031545- Port Austin to Harbor Beach MI- 336 AM EDT Fri Apr 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Southwest winds 20 to 25 knots with gusts to 30 knots becoming west 10 to 15 knots. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. Waves occasionally around 7 feet. .TONIGHT...North winds 10 to 15 knots becoming east 15 to 20 knots after midnight. Partly cloudy. A chance of light rain and a slight chance of thunderstorms after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .SATURDAY...East winds 15 to 20 knots veering to the south early in the afternoon. Rain likely early in the morning, then rain in the late morning and afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SATURDAY NIGHT...Southwest winds 15 to 20 knots becoming west 20 to 25 knots in the late evening and overnight. Becoming partly cloudy after midnight. Light rain early in the evening, then a chance of light rain in the late evening and early morning. Waves 4 to 6 feet. Waves occasionally around 8 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-031545- Harbor Beach to Port Sanilac MI- 336 AM EDT Fri Apr 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .TODAY...Southwest winds 20 to 25 knots with gusts to 30 knots becoming west 15 to 20 knots in the late morning and early afternoon, then diminishing to 10 to 15 knots late in the afternoon. Partly cloudy. A slight chance of light rain in the morning. Waves 3 to 5 feet subsiding to 1 to 3 feet in the late morning and afternoon. Waves occasionally around 7 feet. .TONIGHT...North winds 10 to 15 knots veering to the east after midnight. Partly cloudy. A chance of light rain and a slight chance of thunderstorms after midnight. Waves 1 to 3 feet. .SATURDAY...East winds 10 to 15 knots becoming south 15 to 20 knots in the late morning and afternoon. Rain likely early in the morning, then rain in the late morning and afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. .SATURDAY NIGHT...Southwest winds 15 to 20 knots. Becoming partly cloudy after midnight. Rain early in the evening, then a chance of light rain in the late evening and early morning. Waves 3 to 5 feet subsiding to 1 to 3 feet in the late evening and overnight. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-031545- Port Sanilac to Port Huron MI- 336 AM EDT Fri Apr 3 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .TODAY...Southwest winds 20 to 25 knots with gusts to 30 knots becoming west 15 to 20 knots in the late morning and afternoon. Partly cloudy in the morning becoming mostly sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet in the late morning and afternoon. Waves occasionally around 7 feet. .TONIGHT...North winds 10 to 15 knots veering to the northeast after midnight. Partly cloudy until early morning becoming mostly cloudy. A chance of light rain and thunderstorms after midnight. Waves 1 to 3 feet. .SATURDAY...Southeast winds 15 to 20 knots veering to the south early in the afternoon. Light rain until late afternoon, then rain and a chance of thunderstorms early in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. .SATURDAY NIGHT...West winds 15 to 20 knots. Rain and a chance of thunderstorms early in the evening, then a chance of light rain in the late evening and early morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-031545- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 336 AM EDT Fri Apr 3 2026 .TODAY...Southwest winds 15 to 20 knots becoming west 10 to 15 knots late in the afternoon. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TONIGHT...Northwest winds 5 to 10 knots veering to the northeast in the late evening and early morning, then becoming east 10 to 15 knots after midnight. Partly cloudy early in the evening, then mostly cloudy with a chance of light rain and a slight chance of thunderstorms in the late evening and early morning. Rain and a chance of thunderstorms after midnight. Waves 2 feet or less. .SATURDAY...East winds 10 to 15 knots becoming south 15 to 20 knots in the late morning and early afternoon, then veering to the southwest early in the afternoon. A chance of thunderstorms early in the morning. Light rain likely until late afternoon, then rain and a chance of thunderstorms early in the afternoon. Waves 1 to 3 feet. .SATURDAY NIGHT...West winds 15 to 20 knots. Rain and a chance of thunderstorms early in the evening, then a chance of light rain in the late evening and early morning. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 42 degrees. $$ AM You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes