FZUS53 KDTX 310848 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 448 AM EDT Tue Mar 31 2026 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. LHZ422-311700- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 448 AM EDT Tue Mar 31 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY EVENING... .TODAY...Northeast winds 10 to 15 knots. Rain showers and a chance of thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves 2 feet or less. .TONIGHT...North winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Mostly cloudy. Rain showers likely and a slight chance of thunderstorms early in the evening. Waves 1 to 3 feet. .WEDNESDAY...Northeast winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 to 4 feet. .WEDNESDAY NIGHT...Northeast winds 20 to 25 knots with gusts to 30 knots. Partly cloudy early in the evening becoming mostly cloudy. A chance of rain and freezing rain until early morning. Rain likely after midnight. 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. $$ LHZ421-311700- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 448 AM EDT Tue Mar 31 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY EVENING... .TODAY...Northeast winds 10 to 15 knots. Rain showers and a chance of thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...North winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Mostly cloudy. Rain showers likely early in the evening. Waves 2 to 4 feet. .WEDNESDAY...Northeast winds 15 to 20 knots increasing to 20 to 25 knots early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Waves 4 to 6 feet. Waves occasionally around 8 feet. .WEDNESDAY NIGHT...Northeast winds 20 to 25 knots with gusts to 30 knots. Partly cloudy until early morning, then mostly cloudy with rain likely after midnight. Waves 5 to 7 feet. Waves occasionally around 10 feet. Small Craft Advisory conditions are expected to continue beyond the forecast period. Please refer to the Open Lakes Forecast for more information. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-311700- Port Austin to Harbor Beach MI- 448 AM EDT Tue Mar 31 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY EVENING... .TODAY...North winds 5 to 10 knots increasing to 10 to 15 knots late in the afternoon. Rain showers and a chance of thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...North winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Mostly cloudy. Rain showers likely and a slight chance of thunderstorms early in the evening. Waves 2 to 4 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally around 7 feet. .WEDNESDAY...Northeast winds 15 to 20 knots. Mostly cloudy. Waves 3 to 5 feet. Waves occasionally around 6 feet. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Partly cloudy until early morning, then mostly cloudy with a chance of rain after midnight. Waves 4 to 6 feet. Waves occasionally around 8 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. $$ LHZ442-311700- Harbor Beach to Port Sanilac MI- 448 AM EDT Tue Mar 31 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY EVENING... .TODAY...West winds 10 to 15 knots veering to the northwest in the late morning and afternoon. Rain showers and a chance of thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. Waves 2 feet or less. .TONIGHT...North winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Mostly cloudy. Rain showers likely and a chance of thunderstorms early in the evening. Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves occasionally around 7 feet. .WEDNESDAY...North winds 15 to 20 knots. Mostly cloudy until late afternoon becoming partly cloudy. Waves 4 to 6 feet. Waves occasionally around 8 feet. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Partly cloudy early in the evening becoming mostly cloudy. A chance of light rain after midnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. Small Craft Advisory conditions are expected to continue beyond the forecast period. Please refer to the Open Lakes Forecast for more information. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-311700- Port Sanilac to Port Huron MI- 448 AM EDT Tue Mar 31 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY EVENING... .TODAY...Southwest winds 10 to 15 knots. Rain showers and a chance of thunderstorms. Waves 1 to 3 feet. .TONIGHT...Northwest winds 10 to 15 knots becoming north 15 to 20 knots in the late evening and overnight. Rain showers and a chance of thunderstorms 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. .WEDNESDAY...North winds 15 to 20 knots. Mostly cloudy. Waves 4 to 6 feet. Waves occasionally around 8 feet. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Mostly cloudy. A chance of light rain until early morning, then light rain likely after midnight. 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. $$ LEZ444-311700- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 448 AM EDT Tue Mar 31 2026 .TODAY...Southwest winds 15 to 20 knots. A slight chance of showers and thunderstorms in the morning, then showers and a chance of thunderstorms in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15 knots in the late evening and early morning, then veering to the north after midnight. Rain showers in the evening. A chance of thunderstorms. Rain likely after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northeast winds 10 to 15 knots. Mostly cloudy. Rain likely until late afternoon, then a chance of light rain early in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Mostly cloudy. A chance of light rain until early morning, then light rain likely after midnight. Waves 1 to 3 feet. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 41 degrees. $$ BT You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes