FZUS53 KDTX 050901 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 501 AM EDT Sun Apr 5 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. LHZ422-051715- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 501 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 20 to 25 knots with gusts to 30 knots. Mostly cloudy. A slight chance of light rain and snow showers in the morning, then a slight chance of light snow showers in the afternoon. Waves 2 to 4 feet. .TONIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Partly cloudy. A slight chance of light rain and snow showers after midnight. Waves 2 to 4 feet subsiding to 2 feet or less in the late evening and overnight. .MONDAY...West winds 5 to 10 knots increasing to 15 to 20 knots. Partly cloudy. Light showers and light snow showers likely early in the afternoon. Waves 1 to 3 feet. .MONDAY NIGHT...Northwest winds 20 to 25 knots increasing to 30 knots in the late evening and overnight. Partly cloudy. Light snow showers likely early in the evening. Waves 3 to 5 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-051715- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 501 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 20 to 25 knots. Gusts to 30 knots early in the morning then Gusts to 30 knots in the afternoon. Partly cloudy. A slight chance of showers in the morning, then a slight chance of light snow showers in the afternoon. Waves 3 to 5 feet. Waves occasionally around 6 feet. .TONIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet in the late evening and overnight. Waves occasionally around 7 feet. .MONDAY...West winds 5 to 10 knots increasing to 15 to 20 knots early in the afternoon. Partly cloudy. Light snow showers and showers likely early in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...Northwest winds 20 to 25 knots increasing to 30 knots in the late evening and overnight. Partly cloudy becoming mostly cloudy in the late evening and early morning becoming partly cloudy. Light snow showers likely early in the evening. Waves 4 to 6 feet building to 6 to 9 feet in the late evening and overnight. Waves occasionally around 12 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-051715- Port Austin to Harbor Beach MI- 501 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots late in the afternoon. Partly cloudy. A slight chance of showers in the morning, then a slight chance of light snow showers in the afternoon. Waves 3 to 5 feet. Waves occasionally around 6 feet. .TONIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally around 7 feet. .MONDAY...Northwest winds 5 to 10 knots becoming north 10 to 15 knots early in the afternoon. Partly cloudy. Light snow showers likely early in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...North winds 20 to 25 knots becoming northwest to 30 knots in the late evening and overnight. Mostly cloudy. Light snow showers likely early in the evening, then a chance of light snow in the late evening and early morning. Waves 3 to 5 feet building to 8 to 12 feet in the late evening and overnight. Waves occasionally around 15 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-051715- Harbor Beach to Port Sanilac MI- 501 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 15 to 20 knots. Partly cloudy with a slight chance of showers in the morning, then mostly cloudy with a slight chance of light rain and snow showers in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon. .TONIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .MONDAY...Northwest winds 5 to 10 knots becoming north 10 to 15 knots early in the afternoon. Partly cloudy. Light snow showers and showers likely early in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...Northwest winds 15 to 20 knots increasing to 30 knots in the late evening and overnight. Mostly cloudy. Light snow showers likely early in the evening, then a chance of light snow in the late evening and early morning. Waves 2 to 4 feet building to 6 to 9 feet in the late evening and overnight. Waves occasionally around 12 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-051715- Port Sanilac to Port Huron MI- 501 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 15 to 20 knots. Mostly cloudy. A slight chance of showers in the morning, then a slight chance of light rain and snow showers in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Partly cloudy until early morning becoming mostly cloudy. A slight chance of light snow showers after midnight. Waves 1 to 3 feet. .MONDAY...Northwest winds 5 to 10 knots becoming north 10 to 15 knots early in the afternoon. Partly cloudy. Light showers and light snow showers likely early in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...Northwest winds 20 to 25 knots increasing to 30 knots in the late evening and overnight. Partly cloudy early in the evening becoming mostly cloudy. Light showers and light snow showers likely early in the evening, then a chance of light snow in the late evening and early morning. Waves 2 to 4 feet building to 5 to 7 feet in the late evening and overnight. Waves occasionally around 10 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-051715- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 501 AM EDT Sun Apr 5 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West winds 15 to 20 knots. Mostly cloudy. Waves 2 to 4 feet. .TONIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Mostly clear until early morning becoming mostly cloudy. A chance of showers after midnight. Waves 1 to 3 feet. .MONDAY...West winds 10 to 15 knots increasing to 15 to 20 knots early in the afternoon. Mostly cloudy early in the morning becoming partly cloudy. A chance of showers early in the morning. A chance of showers early in the afternoon. Waves 2 feet or less. .MONDAY NIGHT...Northwest winds 15 to 20 knots. Partly cloudy. A chance of showers early in the evening. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 46 degrees. $$ MR You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes