Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
323 FZUS53 KDTX 221437 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 937 AM EST Sat Nov 22 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. LHZ422-222245- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 937 AM EST Sat Nov 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON... .REST OF TODAY...Northwest winds 5 to 10 knots backing to the west early in the afternoon, then becoming southwest 10 to 15 knots late in the afternoon. Mostly sunny late in the morning becoming partly cloudy. Waves 2 feet or less. .TONIGHT...Southwest winds 15 to 20 knots. Mostly cloudy with a slight chance of light rain early in the evening, then partly cloudy in the late evening and overnight. Waves 1 to 3 feet building to 2 to 4 feet in the late evening and overnight. .SUNDAY...West winds 15 to 20 knots. Gusts to 25 knots. Partly cloudy until late afternoon then clearing. Waves 2 to 4 feet. .SUNDAY NIGHT...West winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-222245- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 937 AM EST Sat Nov 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... .REST OF TODAY...West winds 5 to 10 knots becoming southwest 10 to 15 knots late in the afternoon. Mostly sunny late in the morning becoming partly cloudy. Waves 2 feet or less. .TONIGHT...Southwest winds 15 to 20 knots. Mostly cloudy until early morning becoming partly cloudy. A slight chance of light rain until early morning. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet. .SUNDAY...West winds 20 to 25 knots becoming northwest 15 to 20 knots early in the afternoon. Gusts to 25 knots. Partly cloudy until late afternoon becoming mostly sunny. Waves 4 to 6 feet. Waves occasionally around 8 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 3 to 5 feet subsiding to 1 to 3 feet in the late evening and overnight. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-222245- Port Austin to Harbor Beach MI- 937 AM EST Sat Nov 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... .REST OF TODAY...Northwest winds 5 to 10 knots backing to the southwest late in the afternoon. Partly cloudy. Waves 1 to 3 feet. .TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Mostly cloudy. A slight chance of light rain and snow early in the evening, then a slight chance of light rain in the late evening and early morning. Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves occasionally around 7 feet. .SUNDAY...West winds 20 to 25 knots. Mostly cloudy until late afternoon becoming partly cloudy. Waves 4 to 6 feet. Waves occasionally around 7 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Mostly clear. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-222245- Harbor Beach to Port Sanilac MI- 937 AM EST Sat Nov 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON... .REST OF TODAY...Northwest winds 5 to 10 knots backing to the west late in the afternoon. Partly cloudy. Waves 1 to 3 feet. .TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Mostly cloudy. A slight chance of light rain and snow early in the evening, then a slight chance of light rain in the late evening and early morning. Waves 1 to 3 feet. .SUNDAY...West winds 15 to 20 knots. Gusts to 25 knots. Partly cloudy until late afternoon becoming mostly sunny. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots becoming west 5 to 10 knots. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-222245- Port Sanilac to Port Huron MI- 937 AM EST Sat Nov 22 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON... .REST OF TODAY...Northwest winds 10 to 15 knots becoming west 5 to 10 knots in the afternoon. Mostly sunny late in the morning becoming partly cloudy. Waves 2 feet or less. .TONIGHT...Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Mostly cloudy until early morning becoming partly cloudy. A slight chance of light rain until early morning. Waves 1 to 3 feet. .SUNDAY...West winds 15 to 20 knots. Gusts to 25 knots. Partly cloudy until late afternoon becoming mostly sunny. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest winds 10 to 15 knots becoming west 5 to 10 knots after midnight. Mostly clear. Waves 1 to 3 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-222245- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 937 AM EST Sat Nov 22 2025 .REST OF TODAY...North winds 5 to 10 knots late in the morning becoming light and variable. Sunny late in the morning becoming partly cloudy. Waves 2 feet or less. .TONIGHT...South winds 5 to 10 knots becoming southwest 15 to 20 knots. Partly cloudy becoming mostly cloudy in the late evening and early morning becoming partly cloudy. Waves 2 feet or less. .SUNDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots in the late morning and afternoon. Partly cloudy until late afternoon then clearing. Waves 1 to 3 feet. .SUNDAY NIGHT...West winds 10 to 15 knots becoming light and variable. Clear. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 42 degrees. $$ KGK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes