Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
890 FZUS53 KDTX 050856 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 356 AM EST Fri Dec 5 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. LHZ422-051700- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 356 AM EST Fri Dec 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...Southwest winds to 30 knots diminishing to 20 to 25 knots in the afternoon. Partly cloudy. Waves 4 to 6 feet. Waves occasionally around 8 feet. .TONIGHT...Southwest winds to 30 knots. Mostly cloudy. A chance of light snow early in the evening, then a chance of light snow and a slight chance of light freezing rain in the late evening and overnight. Waves 4 to 6 feet. Waves occasionally around 7 feet. .SATURDAY...West winds 15 to 20 knots. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .SATURDAY NIGHT...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Partly cloudy early in the evening becoming mostly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-051700- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 356 AM EST Fri Dec 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...Southwest winds to 30 knots diminishing to 20 to 25 knots late in the afternoon. Gusts to 35 knot gales. Partly cloudy in the morning, then mostly cloudy with a slight chance of light snow in the afternoon. Waves 5 to 7 feet. Waves occasionally around 10 feet. .TONIGHT...Southwest winds to 30 knots. Cloudy. A chance of light snow early in the evening, then a chance of light snow and a slight chance of light freezing rain in the late evening and overnight. Waves 6 to 9 feet. Waves occasionally around 12 feet. .SATURDAY...West winds 20 to 25 knots diminishing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SATURDAY NIGHT...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Partly cloudy early in the evening becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-051700- Port Austin to Harbor Beach MI- 356 AM EST Fri Dec 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...Southwest winds to 30 knots diminishing to 20 to 25 knots in the afternoon. Partly cloudy in the morning, then mostly cloudy with a slight chance of light snow in the afternoon. Waves 4 to 6 feet. Waves occasionally around 7 feet. .TONIGHT...Southwest winds 20 to 25 knots increasing to 30 knots in the late evening and early morning, then diminishing to 20 to 25 knots after midnight. Cloudy. A chance of light snow early in the evening, then a chance of light snow and a slight chance of light freezing rain in the late evening and overnight. Waves 4 to 6 feet. Waves occasionally around 7 feet. .SATURDAY...Southwest winds 20 to 25 knots becoming west 15 to 20 knots in the late morning and afternoon. Mostly cloudy. A chance of light snow early in the morning. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SATURDAY NIGHT...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-051700- Harbor Beach to Port Sanilac MI- 356 AM EST Fri Dec 5 2025 .TODAY...Southwest winds 20 to 25 knots diminishing to 15 to 20 knots in the afternoon. Partly cloudy. Waves 2 to 4 feet. .TONIGHT...Southwest winds 20 to 25 knots. Mostly cloudy. A chance of light snow early in the evening, then a chance of light snow and a slight chance of light freezing rain in the late evening and overnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SATURDAY...West winds 15 to 20 knots. Mostly cloudy. A chance of light snow early in the morning. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Mostly cloudy. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-051700- Port Sanilac to Port Huron MI- 356 AM EST Fri Dec 5 2025 .TODAY...Southwest winds 20 to 25 knots diminishing to 15 to 20 knots in the afternoon. Mostly sunny in the morning becoming partly cloudy. Waves 2 to 4 feet. .TONIGHT...Southwest winds 20 to 25 knots. Mostly cloudy. A slight chance of light snow until early morning. A slight chance of light freezing rain in the late evening and overnight. A chance of light snow after midnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SATURDAY...Southwest winds 15 to 20 knots veering to the west early in the afternoon. Mostly cloudy. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Mostly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-051700- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 356 AM EST Fri Dec 5 2025 .TODAY...Southwest winds 10 to 15 knots. Partly cloudy. Waves 2 feet or less. .TONIGHT...Southwest winds 15 to 20 knots increasing to 20 to 25 knots in the late evening and early morning, then diminishing to 15 to 20 knots after midnight. Partly cloudy early in the evening becoming mostly cloudy. Waves 2 to 4 feet. .SATURDAY...Southwest winds 15 to 20 knots becoming west 10 to 15 knots early in the afternoon. Mostly cloudy becoming partly cloudy in the late morning and early afternoon becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .SATURDAY NIGHT...West winds 5 to 10 knots until early morning becoming light and variable. Mostly cloudy. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 35 degrees. $$ AM You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes