Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
997 FZUS53 KDTX 290858 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 358 AM EST Sat Nov 29 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. LHZ422-291700- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 358 AM EST Sat Nov 29 2025 .TODAY...West winds 10 to 15 knots becoming south 5 to 10 knots in the late morning and early afternoon, then becoming southeast 10 to 15 knots late in the afternoon. Mostly cloudy. Light snow likely in the afternoon. Waves 2 feet or less. .TONIGHT...Southeast winds 15 to 20 knots. Snow. Snow may be heavy at times until early morning. Waves 1 to 3 feet. .SUNDAY...Southwest winds 15 to 20 knots becoming west 20 to 25 knots in the late morning and early afternoon, then becoming northwest to 30 knots early in the afternoon. Light snow until late afternoon, then a chance of light snow early in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. A Small Craft Advisory may be needed. .SUNDAY NIGHT...Northwest winds to 30 knots becoming west 15 to 20 knots. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-291700- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 358 AM EST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY MORNING... .TODAY...West winds 10 to 15 knots becoming southwest 5 to 10 knots in the late morning and early afternoon, then becoming south 10 to 15 knots late in the afternoon. Mostly cloudy. A chance of light snow in the afternoon. Waves 2 feet or less. .TONIGHT...Southeast winds 15 to 20 knots increasing to 20 to 25 knots in the late evening and early morning, then diminishing to 15 to 20 knots after midnight. A chance of snow early in the evening, then snow in the late evening and overnight. Snow may be heavy at times early in the evening. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet. .SUNDAY...Southwest winds 15 to 20 knots becoming west 20 to 25 knots in the late morning and early afternoon, then becoming northwest to 30 knots early in the afternoon. Light snow until late afternoon. Light rain in the late morning and early afternoon, then light rain and snow likely early in the afternoon. Waves 3 to 5 feet building to 6 to 9 feet early in the afternoon. Waves occasionally around 12 feet. .SUNDAY NIGHT...Northwest winds to 30 knots diminishing to 20 to 25 knots after midnight. Partly cloudy. Waves 6 to 9 feet. Waves occasionally around 12 feet. Small Craft Advisory conditions are expected to continue beyond the forecast period. Please refer to the Open Lakes Forecast for more information. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-291700- Port Austin to Harbor Beach MI- 358 AM EST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY MORNING... .TODAY...West winds 10 to 15 knots becoming southwest 5 to 10 knots in the late morning and early afternoon, then becoming south 10 to 15 knots late in the afternoon. Mostly cloudy. A chance of light snow in the afternoon. Waves 1 to 3 feet. .TONIGHT...Southeast winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the late evening and overnight. A chance of snow early in the evening, then snow in the late evening and overnight. A slight chance of light rain after midnight. Snow may be heavy at times until early morning. Waves 2 to 4 feet building to 6 to 9 feet in the late evening and overnight. Waves occasionally around 12 feet. .SUNDAY...South winds 20 to 25 knots veering to the west in the late morning and early afternoon, then becoming northwest to 30 knots early in the afternoon. Light rain early in the morning. Light snow, then light rain early in the afternoon. Waves 4 to 6 feet building to 6 to 9 feet early in the afternoon. Waves occasionally around 12 feet. .SUNDAY NIGHT...Northwest winds to 30 knots diminishing to 20 to 25 knots. Mostly cloudy early in the evening becoming partly cloudy. A chance of light snow until early morning. Waves 8 to 12 feet. Waves occasionally around 15 feet. Small Craft Advisory conditions are expected to continue beyond the forecast period. Please refer to the Open Lakes Forecast for more information. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-291700- Harbor Beach to Port Sanilac MI- 358 AM EST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY MORNING... .TODAY...West winds 10 to 15 knots becoming southwest 5 to 10 knots in the late morning and early afternoon, then becoming south 10 to 15 knots late in the afternoon. Partly cloudy in the morning, then cloudy with a chance of light snow in the afternoon. Waves 1 to 3 feet. .TONIGHT...Southeast winds 20 to 25 knots. Gusts to 30 knots in the late evening and overnight. Snow until early morning, then light snow and a slight chance of rain after midnight. Waves 3 to 5 feet building to 6 to 9 feet in the late evening and overnight. Waves occasionally around 12 feet. .SUNDAY...South winds 20 to 25 knots veering to the west in the late morning and early afternoon, then increasing to 30 knots early in the afternoon. Light rain and light snow early in the morning, then light snow in the late morning and afternoon. Waves 5 to 7 feet subsiding to 2 to 4 feet in the late morning and early afternoon, then building to 5 to 7 feet early in the afternoon. Waves occasionally around 10 feet. .SUNDAY NIGHT...Northwest winds to 30 knots diminishing to 20 to 25 knots with gusts to 30 knots in the late evening and overnight. Mostly cloudy early in the evening becoming partly cloudy. A chance of light snow until early morning. Waves 6 to 9 feet. Waves occasionally around 12 feet. Small Craft Advisory conditions are expected to continue beyond the forecast period. Please refer to the Open Lakes Forecast for more information. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-291700- Port Sanilac to Port Huron MI- 358 AM EST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH MONDAY MORNING... .TODAY...West winds 10 to 15 knots becoming southwest 5 to 10 knots in the late morning and early afternoon, then becoming south 10 to 15 knots late in the afternoon. Partly cloudy in the morning, then cloudy with a chance of light snow in the afternoon. Waves 2 feet or less. .TONIGHT...Southeast winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the late evening and overnight. Snow until early morning, then light snow and a slight chance of rain after midnight. Waves 2 to 4 feet building to 5 to 7 feet in the late evening and overnight. Waves occasionally around 10 feet. .SUNDAY...Southwest winds 20 to 25 knots veering to the west early in the afternoon. Gusts to 30 knots. Light rain early in the morning. Light snow until late afternoon, then light snow likely early in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. .SUNDAY NIGHT...Northwest winds to 30 knots diminishing to 20 to 25 knots in the late evening and overnight. Partly cloudy. A chance of light snow until early morning. Waves 3 to 5 feet. Waves occasionally around 7 feet. Small Craft Advisory conditions are expected to continue beyond the forecast period. Please refer to the Open Lakes Forecast for more information. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-291700- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 358 AM EST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SUNDAY EVENING... .TODAY...Southwest winds 5 to 10 knots backing to the south early in the afternoon, then becoming southeast 10 to 15 knots late in the afternoon. Mostly cloudy. A slight chance of light snow in the morning, then light snow likely in the afternoon. Waves 2 feet or less. .TONIGHT...South winds 20 to 25 knots. Gusts to 30 knots in the late evening and overnight. Snow until early morning, then light rain and snow after midnight. Snow may be heavy at times until early morning. Waves 4 to 6 feet. Waves occasionally around 8 feet. .SUNDAY...Southwest winds to 30 knots becoming west 20 to 25 knots early in the afternoon. Mostly cloudy. Light rain and a chance of light snow early in the morning. Waves 4 to 6 feet. Waves occasionally around 8 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 41 degrees. $$ TF You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes