FZUS53 KDTX 070734 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 334 AM EDT Tue Apr 7 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. LHZ422-071545- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 334 AM EDT Tue Apr 7 2026 .TODAY...North winds 20 to 25 knots diminishing to 10 to 15 knots late in the morning, then diminishing to 5 to 10 knots early in the afternoon veering to the southeast late in the afternoon. Sunny. Waves 2 to 4 feet subsiding to 2 feet or less in the late morning and afternoon. .TONIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots after midnight. Clear. Waves 1 to 3 feet. .WEDNESDAY...South winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots early in the afternoon. Sunny early in the morning becoming partly cloudy. Waves 2 to 4 feet. .WEDNESDAY NIGHT...South winds 20 to 25 knots increasing to 30 knots in the late evening and overnight. Gusts to 35 knot gales. Partly cloudy until early morning becoming mostly cloudy. A chance of light rain after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. A Gale Warning may be needed. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-071545- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 334 AM EDT Tue Apr 7 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .TODAY...North winds 20 to 25 knots diminishing to 15 to 20 knots late in the morning, then diminishing to 5 to 10 knots early in the afternoon veering to the southeast late in the afternoon. Sunny. Waves 6 to 9 feet subsiding to 1 to 3 feet. Waves occasionally around 12 feet. .TONIGHT...Southeast winds 10 to 15 knots becoming south 15 to 20 knots in the late evening and overnight. Clear. Waves 1 to 3 feet. .WEDNESDAY...South winds 15 to 20 knots increasing to 20 to 25 knots early in the afternoon. Sunny early in the morning becoming partly cloudy. Waves 2 to 4 feet. .WEDNESDAY NIGHT...South winds 20 to 25 knots increasing to 30 knots in the late evening and overnight. Gusts to 35 knot gales. Partly cloudy until early morning becoming mostly cloudy. A chance of light rain after midnight. Waves 4 to 6 feet. Waves occasionally around 7 feet. A Gale Warning may be needed. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-071545- Port Austin to Harbor Beach MI- 334 AM EDT Tue Apr 7 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 20 to 25 knots with gusts to 30 knots diminishing to 5 to 10 knots. Mostly cloudy in the morning then clearing. Waves 8 to 12 feet subsiding to 3 to 5 feet in the afternoon. Waves occasionally around 15 feet. .TONIGHT...Southeast winds 5 to 10 knots becoming south 10 to 15 knots in the late evening and overnight. Clear. Waves 1 to 3 feet. .WEDNESDAY...South winds 15 to 20 knots. Sunny early in the morning becoming partly cloudy. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. .WEDNESDAY NIGHT...South winds 20 to 25 knots with gusts to 30 knots. Partly cloudy until early morning becoming mostly cloudy. A chance of light rain after midnight. Waves 4 to 6 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-071545- Harbor Beach to Port Sanilac MI- 334 AM EDT Tue Apr 7 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Northwest winds 20 to 25 knots with gusts to 30 knots becoming north 5 to 10 knots. Mostly cloudy in the morning then clearing. Waves 6 to 9 feet subsiding to 3 to 5 feet in the afternoon. Waves occasionally around 12 feet. .TONIGHT...East winds 5 to 10 knots becoming south 10 to 15 knots in the late evening and overnight. Clear. Waves 1 to 3 feet. .WEDNESDAY...South winds 15 to 20 knots. Mostly sunny until late afternoon becoming partly cloudy. Waves 2 to 4 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. .WEDNESDAY NIGHT...South winds 15 to 20 knots increasing to 20 to 25 knots in the late evening and overnight. Gusts to 30 knots. Partly cloudy. A chance of light rain after midnight. Waves 4 to 6 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-071545- Port Sanilac to Port Huron MI- 334 AM EDT Tue Apr 7 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...Northwest winds 20 to 25 knots with gusts to 30 knots becoming north 10 to 15 knots. Mostly cloudy in the morning then clearing. Waves 6 to 9 feet subsiding to 3 to 5 feet in the afternoon. Waves occasionally around 12 feet. .TONIGHT...East winds 5 to 10 knots veering to the southeast in the late evening and early morning, then becoming south 10 to 15 knots after midnight. Clear. Waves 1 to 3 feet. .WEDNESDAY...South winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .WEDNESDAY NIGHT...South winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the late evening and overnight. Partly cloudy. Waves 4 to 6 feet. Waves occasionally around 8 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-071545- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 334 AM EDT Tue Apr 7 2026 .TODAY...North winds 10 to 15 knots becoming northeast 5 to 10 knots in the afternoon. Mostly sunny. Waves 2 feet or less. .TONIGHT...Southeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Clear. Waves 2 feet or less. .WEDNESDAY...Southeast winds 10 to 15 knots. Mostly sunny until late afternoon becoming partly cloudy. Waves 2 feet or less. .WEDNESDAY NIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Mostly clear. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 42 degrees. $$ MR You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes