FZUS53 KDTX 010725 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 325 AM EDT Fri May 1 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. LHZ422-011530- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 325 AM EDT Fri May 1 2026 .TODAY...North winds 5 to 10 knots. Partly cloudy. A slight chance of showers in the afternoon. Waves 2 feet or less. .TONIGHT...Northeast winds 10 to 15 knots becoming north 5 to 10 knots in the late evening and early morning, then becoming northwest 10 to 15 knots after midnight. Partly cloudy. Waves 2 feet or less. .SATURDAY...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and early afternoon, then backing to the southeast early in the afternoon. Mostly sunny. Waves 2 feet or less. .SATURDAY NIGHT...Northeast winds 5 to 10 knots veering to the southwest in the late evening and early morning, then increasing to 10 to 15 knots after midnight. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-011530- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 325 AM EDT Fri May 1 2026 .TODAY...North winds 5 to 10 knots. Partly cloudy. A slight chance of showers in the afternoon. Waves 2 feet or less. .TONIGHT...North winds 5 to 10 knots becoming northwest 10 to 15 knots after midnight. Partly cloudy. Waves 2 feet or less. .SATURDAY...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and early afternoon, then veering to the southeast early in the afternoon. Mostly sunny. Waves 2 feet or less. .SATURDAY NIGHT...East winds 5 to 10 knots veering to the south in the late evening and early morning, then becoming southwest 10 to 15 knots after midnight. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-011530- Port Austin to Harbor Beach MI- 325 AM EDT Fri May 1 2026 .TODAY...North winds 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .TONIGHT...Northwest winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Mostly clear. Waves 2 feet or less. .SATURDAY...Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...East winds 5 to 10 knots veering to the southwest in the late evening and overnight. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-011530- Harbor Beach to Port Sanilac MI- 325 AM EDT Fri May 1 2026 .TODAY...North winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Partly cloudy. Waves 2 feet or less. .TONIGHT...Northwest winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. .SATURDAY...Northwest winds 5 to 10 knots veering to the north early in the afternoon. Mostly sunny. Waves 2 feet or less. .SATURDAY NIGHT...East winds 5 to 10 knots veering to the southwest in the late evening and overnight. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-011530- Port Sanilac to Port Huron MI- 325 AM EDT Fri May 1 2026 .TODAY...North winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Partly cloudy. A slight chance of showers in the afternoon. Waves 2 feet or less. .TONIGHT...North winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and overnight. Partly cloudy. Waves 2 feet or less. .SATURDAY...Northwest winds 5 to 10 knots veering to the northeast early in the afternoon. Mostly sunny early in the morning becoming partly cloudy. Waves 2 feet or less. .SATURDAY NIGHT...East winds 5 to 10 knots veering to the south in the late evening and early morning, then veering to the southwest after midnight. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-011530- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 325 AM EDT Fri May 1 2026 .TODAY...North winds 5 to 10 knots backing to the northwest late in the afternoon. Mostly cloudy with showers likely in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .TONIGHT...North winds 5 to 10 knots. Partly cloudy. A slight chance of showers early in the evening. Waves 2 feet or less. .SATURDAY...Northwest winds 5 to 10 knots. Mostly sunny until late afternoon becoming partly cloudy. Waves 2 feet or less. .SATURDAY NIGHT...Northwest winds 5 to 10 knots. Partly cloudy until early morning then clearing. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 51 degrees. $$ KGK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes