Nearshore Marine Forecast
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
977 FZUS53 KDTX 100309 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 1009 PM EST Tue Dec 9 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. LHZ422-101115- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 1009 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .REST OF TONIGHT...South winds 5 to 10 knots backing to the southeast after midnight, then becoming east 10 to 15 knots early in the morning. A chance of light snow this evening, then snow after midnight. Snow may be heavy at times after midnight. Waves 2 feet or less. .WEDNESDAY...Northeast winds 15 to 20 knots becoming north 20 to 25 knots in the late morning and afternoon. Gusts to 35 knot gales. Becoming partly cloudy early in the afternoon. Snow early in the morning, then a chance of light snow in the late morning and early afternoon. Waves 2 to 4 feet. .WEDNESDAY NIGHT...Northwest winds to 30 knots with gusts to 35 knot gales becoming west 15 to 20 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. .THURSDAY...West winds 15 to 20 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. $$ LHZ421-101115- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 1009 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... .REST OF TONIGHT...Southwest winds 10 to 15 knots becoming south 5 to 10 knots after midnight, then becoming east 10 to 15 knots early in the morning. A chance of light snow this evening, then snow after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northeast winds 20 to 25 knots becoming north to 30 knots in the late morning and afternoon. Gusts to 35 knot gales. Light snow and a slight chance of light rain early in the morning, then a chance of light snow in the late morning and early afternoon. A slight chance of light snow early in the afternoon. Waves 4 to 6 feet building to 8 to 12 feet in the late morning and afternoon. Waves occasionally around 15 feet. .WEDNESDAY NIGHT...Northwest winds to 30 knots with gusts to 35 knot gales diminishing to 20 to 25 knots after midnight. Partly cloudy with a slight chance of light snow. Heavy freezing spray early in the evening. A slight chance of. Waves 8 to 12 feet. Waves occasionally around 15 feet. .THURSDAY...Northwest winds 20 to 25 knots becoming west 15 to 20 knots early in the afternoon. Partly cloudy. Waves 5 to 7 feet. Waves occasionally around 10 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-101115- Port Austin to Harbor Beach MI- 1009 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... .REST OF TONIGHT...Southwest winds 10 to 15 knots becoming south 5 to 10 knots after midnight, then becoming southeast 10 to 15 knots early in the morning. Cloudy. A chance of light snow this evening, then a chance of snow and a slight chance of rain after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northeast winds 20 to 25 knots becoming north to 30 knots with gusts to 35 knot gales in the late morning and afternoon. Light snow in the morning. A slight chance of light rain. A chance of light snow in the afternoon. Waves 3 to 5 feet building to 8 to 12 feet in the late morning and afternoon. Waves occasionally around 15 feet. .WEDNESDAY NIGHT...North gales to 35 knot gales becoming northwest to 30 knots in the late evening and overnight. Mostly cloudy with a chance of light snow. Waves 8 to 12 feet. Waves occasionally around 15 feet. .THURSDAY...Northwest winds 20 to 25 knots with gusts to 30 knots diminishing to 15 to 20 knots early in the afternoon. Mostly cloudy. A chance of light snow early in the afternoon. Waves 6 to 9 feet. Waves occasionally around 12 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-101115- Harbor Beach to Port Sanilac MI- 1009 PM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... .REST OF TONIGHT...South winds 10 to 15 knots. A chance of light snow this evening, then light snow and a slight chance of rain after midnight. Waves 1 to 3 feet. .WEDNESDAY...East winds 10 to 15 knots becoming north 20 to 25 knots with gusts to 30 knots in the late morning and early afternoon, then increasing to 30 knots with gusts to 35 knot gales early in the afternoon. Light snow and a slight chance of light rain until late afternoon, then a slight chance of light snow early in the afternoon. Waves 1 to 3 feet building to 6 to 9 feet in the late morning and afternoon. Waves occasionally around 12 feet. .WEDNESDAY NIGHT...Northwest gales to 35 knot gales diminishing to 20 to 25 knots in the late evening and overnight. Partly cloudy with a chance of light snow. Waves 8 to 12 feet subsiding to 5 to 7 feet after midnight. Waves occasionally around 15 feet. .THURSDAY...Northwest winds 20 to 25 knots becoming west 15 to 20 knots early in the afternoon. Partly cloudy with a chance of light snow. Waves 4 to 6 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-101115- Port Sanilac to Port Huron MI- 1009 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .REST OF TONIGHT...South winds 10 to 15 knots increasing to 15 to 20 knots early in the morning. A chance of light snow this evening, then light snow and a slight chance of rain after midnight. Waves 1 to 3 feet. .WEDNESDAY...Southwest winds 10 to 15 knots becoming northwest 20 to 25 knots with gusts to 30 knots in the late morning and early afternoon, then becoming north to 30 knots with gusts to 35 knot gales early in the afternoon. Light rain and light snow until late afternoon, then a slight chance of light snow early in the afternoon. Waves 1 to 3 feet building to 6 to 9 feet. Waves occasionally around 12 feet. .WEDNESDAY NIGHT...Northwest winds to 30 knots with gusts to 35 knot gales becoming west 20 to 25 knots after midnight. Mostly cloudy early in the evening becoming partly cloudy. A chance of light snow until early morning. Waves 6 to 9 feet subsiding to 4 to 6 feet after midnight. Waves occasionally around 12 feet. .THURSDAY...West winds 20 to 25 knots diminishing to 15 to 20 knots early in the afternoon. Partly cloudy. A chance of light snow early in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-101115- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 1009 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .REST OF TONIGHT...South winds 15 to 20 knots with gusts to 30 knots becoming southwest 20 to 25 knots with gusts to 35 knot gales early in the morning. A chance of rain and light snow this evening, then rain and light snow after midnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. .WEDNESDAY...Southwest winds 20 to 25 knots veering to the northwest early in the afternoon. Gusts to 35 knot gales. Light rain likely early in the morning, then light rain with light snow likely in the late morning and early afternoon. A chance of light snow and a slight chance of light rain early in the afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 7 feet. .WEDNESDAY NIGHT...Northwest winds 20 to 25 knots with gusts to 30 knots becoming west 15 to 20 knots after midnight. Mostly cloudy early in the evening becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots early in the afternoon. Mostly sunny early in the morning becoming partly cloudy. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 32 degrees. $$ AA You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes