Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
249 FZUS53 KDTX 102038 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 338 PM EST Wed Dec 10 2025 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. LHZ422-110445- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 338 PM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...Northwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots in the late evening and overnight. Partly cloudy. .THURSDAY...West winds 15 to 20 knots. Mostly cloudy. A slight chance of light snow until late afternoon. .THURSDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Partly cloudy. .FRIDAY...West winds 5 to 10 knots becoming southwest 10 to 15 knots early in the afternoon. Partly cloudy. Waves omitted due to ice coverage. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-110445- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 338 PM EST Wed Dec 10 2025 ...GALE WARNING IN EFFECT UNTIL 11 PM EST THIS EVENING... .TONIGHT...Northwest winds to 30 knots with gusts to 35 knot gales. Partly cloudy with a slight chance of light snow. Waves 8 to 12 feet subsiding to 6 to 9 feet after midnight. Waves occasionally around 15 feet. .THURSDAY...Northwest winds 20 to 25 knots becoming west 15 to 20 knots early in the afternoon. Partly cloudy early in the morning becoming mostly cloudy. A slight chance of light snow. Waves 5 to 7 feet. Waves occasionally around 10 feet. .THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. Waves occasionally around 7 feet. .FRIDAY...West winds 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet. Wave heights are for ice free areas. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-110445- Port Austin to Harbor Beach MI- 338 PM EST Wed Dec 10 2025 ...GALE WARNING IN EFFECT UNTIL 11 PM EST THIS EVENING... .TONIGHT...Northwest winds to 30 knots with gusts to 35 knot gales. Mostly cloudy with a slight chance of light snow. Waves 8 to 12 feet. Waves occasionally around 15 feet. .THURSDAY...Northwest winds to 30 knots becoming west 15 to 20 knots. Mostly cloudy. A slight chance of light snow early in the morning, then a chance of light snow in the late morning and afternoon. Waves 6 to 9 feet. Waves occasionally around 12 feet. .THURSDAY NIGHT...Northwest winds 20 to 25 knots becoming west 10 to 15 knots. Mostly cloudy early in the evening becoming partly cloudy. Waves 3 to 5 feet. Waves occasionally around 6 feet. .FRIDAY...West winds 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-110445- Harbor Beach to Port Sanilac MI- 338 PM EST Wed Dec 10 2025 ...GALE WARNING IN EFFECT UNTIL 11 PM EST THIS EVENING... .TONIGHT...Northwest winds to 30 knots diminishing to 20 to 25 knots after midnight. Gusts to 35 knot gales. Mostly cloudy in the evening becoming partly cloudy. A slight chance of light snow. Waves 8 to 12 feet. Waves occasionally around 15 feet. .THURSDAY...Northwest winds 20 to 25 knots becoming west 15 to 20 knots early in the afternoon. Partly cloudy with a slight chance of light snow early in the morning, then mostly cloudy with a chance of light snow in the late morning and afternoon. Waves 5 to 7 feet. Waves occasionally around 10 feet. .THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Partly cloudy. Waves 2 to 4 feet. .FRIDAY...West winds 10 to 15 knots. Partly cloudy until late afternoon becoming mostly sunny. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-110445- Port Sanilac to Port Huron MI- 338 PM EST Wed Dec 10 2025 ...GALE WARNING IN EFFECT UNTIL 11 PM EST THIS EVENING... .TONIGHT...Northwest winds to 30 knots with gusts to 35 knot gales diminishing to 20 to 25 knots with gusts to 30 knots this evening, then increasing to 30 knots after midnight. Mostly cloudy with a chance of light snow in the evening, then mostly clear with a slight chance of light snow after midnight. Waves 6 to 9 feet subsiding to 4 to 6 feet early in the morning. Waves occasionally around 12 feet. .THURSDAY...Northwest winds 20 to 25 knots becoming west 15 to 20 knots early in the afternoon. Partly cloudy with a slight chance of light snow. Waves 3 to 5 feet. Waves occasionally around 7 feet. .THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .FRIDAY...West winds 10 to 15 knots diminishing to 5 to 10 knots early in the afternoon. Partly cloudy early in the morning becoming mostly sunny. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-110445- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 338 PM EST Wed Dec 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...Northwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots after midnight. Partly cloudy. A chance of light snow in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .THURSDAY...West winds 15 to 20 knots. Mostly sunny becoming partly cloudy in the late morning and early afternoon becoming mostly cloudy. Waves 1 to 3 feet. .THURSDAY NIGHT...West winds 15 to 20 knots diminishing to 5 to 10 knots in the late evening and overnight. Mostly cloudy. Waves 2 feet or less. .FRIDAY...Light and variable winds becoming west 5 to 10 knots in the late morning and afternoon. Mostly cloudy early in the morning becoming partly cloudy. Waves 2 feet or less. Wave heights are for ice free areas. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 33 degrees. $$ DRK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes