FZUS53 KDTX 212102 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 402 PM EST Sat Feb 21 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. LHZ422-220515- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 402 PM EST Sat Feb 21 2026 .TONIGHT...Northwest winds 5 to 10 knots. Mostly cloudy. A slight chance of light snow in the evening, then a chance of light snow after midnight. .SUNDAY...Northwest winds 10 to 15 knots becoming north 15 to 20 knots early in the afternoon. Mostly cloudy with a chance of light snow. .SUNDAY NIGHT...Northwest winds 20 to 25 knots with gusts to 30 knots becoming north to 30 knots after midnight. Mostly cloudy. A chance of light snow until early morning. .MONDAY...North winds to 30 knots diminishing to 20 to 25 knots early in the afternoon. Mostly cloudy early in the morning becoming partly cloudy. Waves omitted due to ice coverage. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-220515- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 402 PM EST Sat Feb 21 2026 .TONIGHT...Northwest winds 5 to 10 knots. Mostly cloudy. A slight chance of light snow in the evening, then a chance of light snow after midnight. .SUNDAY...North winds 10 to 15 knots increasing to 15 to 20 knots early in the afternoon. Mostly cloudy with a chance of light snow. .SUNDAY NIGHT...North winds 20 to 25 knots increasing to 30 knots in the late evening and overnight. Mostly cloudy. A chance of light snow until early morning. .MONDAY...North winds to 30 knots. Mostly cloudy until late afternoon becoming partly cloudy. Waves omitted due to ice coverage. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-220515- Port Austin to Harbor Beach MI- 402 PM EST Sat Feb 21 2026 .TONIGHT...Northwest winds 5 to 10 knots. Mostly cloudy. A slight chance of light snow in the evening, then a chance of light snow after midnight. .SUNDAY...Northwest winds 10 to 15 knots becoming north 15 to 20 knots early in the afternoon. Mostly cloudy with a chance of light snow. .SUNDAY NIGHT...North winds 20 to 25 knots with gusts to 30 knots increasing to 30 knots. Mostly cloudy with a chance of light snow. .MONDAY...North winds to 30 knots. Mostly cloudy. Waves omitted due to ice coverage. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-220515- Harbor Beach to Port Sanilac MI- 402 PM EST Sat Feb 21 2026 .TONIGHT...West winds 5 to 10 knots. Mostly cloudy. A slight chance of light snow in the evening, then a chance of light snow after midnight. .SUNDAY...Northwest winds 5 to 10 knots becoming north 10 to 15 knots in the late morning and afternoon. Mostly cloudy with a chance of light snow. .SUNDAY NIGHT...North winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots after midnight. Mostly cloudy with a chance of light snow. .MONDAY...North winds to 30 knots. Mostly cloudy. Waves omitted due to ice coverage. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-220515- Port Sanilac to Port Huron MI- 402 PM EST Sat Feb 21 2026 .TONIGHT...West winds 5 to 10 knots. Mostly cloudy. A slight chance of light snow in the evening, then a chance of light snow after midnight. Waves 2 feet or less. .SUNDAY...Northwest winds 5 to 10 knots becoming north 10 to 15 knots in the late morning and afternoon. Mostly cloudy with a chance of light snow. Waves 1 to 3 feet. .SUNDAY NIGHT...North winds 15 to 20 knots increasing to 30 knots. Mostly cloudy with a chance of light snow. Freezing spray after midnight. Waves 3 to 5 feet building to 5 to 7 feet after midnight. Waves occasionally around 10 feet. A Small Craft Advisory may be needed. .MONDAY...North winds to 30 knots. Mostly cloudy. Freezing spray. Waves 8 to 12 feet. Waves occasionally around 15 feet. Wave heights are for ice free areas. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-220515- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 402 PM EST Sat Feb 21 2026 .TONIGHT...West winds 5 to 10 knots. Mostly cloudy. A chance of light snow after midnight. .SUNDAY...West winds 5 to 10 knots becoming northwest 10 to 15 knots in the late morning and afternoon. Mostly cloudy. A chance of light snow until late afternoon, then light snow likely early in the afternoon. .SUNDAY NIGHT...Northwest winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Mostly cloudy. A chance of light snow until early morning. .MONDAY...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. A Small Craft Advisory may be needed. Waves omitted due to ice coverage. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 33 degrees. $$ MV You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes