Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
599 FZUS53 KDTX 072038 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 338 PM EST Fri Nov 7 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. LHZ422-080500- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 338 PM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...West winds 20 to 25 knots becoming northwest 15 to 20 knots in the late evening and overnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .SATURDAY...North winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and afternoon. Mostly sunny becoming partly cloudy in the late morning and early afternoon becoming mostly cloudy. Waves 2 feet or less. .SATURDAY NIGHT...Northeast winds 5 to 10 knots becoming north 15 to 20 knots after midnight. Mostly cloudy. A chance of light snow until early morning. A chance of light rain in the late evening and early morning, then light rain and snow likely after midnight. Waves 2 feet or less. .SUNDAY...North winds 15 to 20 knots increasing to 20 to 25 knots early in the afternoon. Mostly cloudy. Light snow and light rain likely until late afternoon, then light snow likely early in the afternoon. Waves 2 to 4 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-080500- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 338 PM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots early in the morning. Mostly cloudy with a slight chance of light rain in the evening, then partly cloudy after midnight. Waves 4 to 6 feet. Waves occasionally around 8 feet. .SATURDAY...Northwest winds 10 to 15 knots becoming north 5 to 10 knots early in the afternoon. Partly cloudy until late afternoon becoming mostly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet in the late morning and afternoon. Waves occasionally around 7 feet. .SATURDAY NIGHT...Northeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Cloudy. A chance of light rain and snow until early morning, then light rain likely and a chance of light snow after midnight. Waves 2 feet or less. .SUNDAY...North winds 15 to 20 knots increasing to 20 to 25 knots in the late morning and afternoon. Mostly cloudy. Light rain and light snow likely until late afternoon, then light snow likely early in the afternoon. Waves 3 to 5 feet building to 6 to 9 feet in the late morning and afternoon. Waves occasionally around 12 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-080500- Port Austin to Harbor Beach MI- 338 PM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...Northwest winds 20 to 25 knots diminishing to 15 to 20 knots early in the morning. Mostly cloudy with a slight chance of light rain. Waves 5 to 7 feet. Waves occasionally around 10 feet. .SATURDAY...Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the late morning and afternoon. Mostly cloudy. A slight chance of light rain and snow in the late morning and afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the afternoon. Waves occasionally around 7 feet. .SATURDAY NIGHT...Northeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Cloudy. A chance of light rain early in the evening, then light rain likely in the late evening and overnight. Light snow likely after midnight. Waves 2 feet or less. .SUNDAY...Northeast winds 15 to 20 knots becoming north 20 to 25 knots in the late morning and afternoon. Light rain likely and light snow until late afternoon, then light rain and snow likely early in the afternoon. Waves 3 to 5 feet building to 6 to 9 feet in the late morning and afternoon. Waves occasionally around 12 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-080500- Harbor Beach to Port Sanilac MI- 338 PM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .TONIGHT...West winds 15 to 20 knots becoming northwest 20 to 25 knots in the late evening and early morning, then diminishing to 15 to 20 knots early in the morning. Partly cloudy with a slight chance of light rain in the evening, then mostly cloudy after midnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SATURDAY...Northwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late morning and afternoon. Partly cloudy early in the morning, then mostly cloudy with a slight chance of light rain in the late morning and afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet early in the afternoon. Waves occasionally around 7 feet. .SATURDAY NIGHT...Northeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Cloudy. A chance of light rain early in the evening, then light rain likely in the late evening and overnight. Waves 1 to 3 feet. .SUNDAY...Northeast winds 15 to 20 knots becoming north 20 to 25 knots early in the afternoon. Light rain with light snow likely. Waves 3 to 5 feet building to 6 to 9 feet early in the afternoon. Waves occasionally around 12 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-080500- Port Sanilac to Port Huron MI- 338 PM EST Fri Nov 7 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TONIGHT...Northwest winds 15 to 20 knots. Gusts to 25 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .SATURDAY...Northwest winds 10 to 15 knots becoming north 5 to 10 knots in the late morning and afternoon. Partly cloudy until late afternoon becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .SATURDAY NIGHT...North winds 5 to 10 knots becoming northeast 15 to 20 knots. A chance of light rain until early morning, then light rain after midnight. Waves 1 to 3 feet. .SUNDAY...Northeast winds 15 to 20 knots becoming north 20 to 25 knots early in the afternoon. Light rain until late afternoon, then light rain and snow early in the afternoon. Waves 3 to 5 feet building to 5 to 7 feet early in the afternoon. Waves occasionally around 10 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-080500- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 338 PM EST Fri Nov 7 2025 .TONIGHT...West winds 15 to 20 knots becoming northwest 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. .SATURDAY...North winds 10 to 15 knots becoming northeast 5 to 10 knots in the late morning and afternoon. Partly cloudy early in the morning, then mostly cloudy with a slight chance of light rain in the late morning and afternoon. Waves 2 feet or less. .SATURDAY NIGHT...East winds 5 to 10 knots becoming north 15 to 20 knots. Light rain likely early in the evening, then light rain in the late evening and overnight. Waves 2 feet or less. .SUNDAY...North winds 15 to 20 knots. Mostly cloudy. Light rain early in the morning, then light rain likely in the late morning and early afternoon. A chance of light rain early in the afternoon. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 49 degrees. $$ TF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes