FZUS53 KDTX 311349 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 949 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. LHZ422-312200- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 949 AM EDT Tue Mar 31 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY EVENING... .REST OF TODAY...Northeast winds 5 to 10 knots becoming north 10 to 15 knots late in the afternoon. Mostly cloudy. Scattered showers and isolated thunderstorms late in the morning, then numerous showers and scattered 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. Numerous showers and isolated 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. $$ LHZ421-312200- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 949 AM EDT Tue Mar 31 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY EVENING... .REST OF TODAY...Northeast winds 5 to 10 knots becoming north 10 to 15 knots late in the afternoon. Mostly cloudy. Numerous showers and isolated thunderstorms late in the morning, then numerous showers and scattered thunderstorms in the afternoon. Waves 2 to 4 feet. .TONIGHT...North winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and overnight. Mostly cloudy. Numerous showers early in the evening. Waves 2 to 4 feet. .WEDNESDAY...Northeast winds 15 to 20 knots increasing to 20 to 25 knots early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Waves 4 to 6 feet. Waves occasionally around 8 feet. .WEDNESDAY NIGHT...Northeast winds 20 to 25 knots with gusts to 30 knots. Partly cloudy until early morning, then mostly cloudy with rain likely after midnight. Waves 5 to 7 feet. Waves occasionally around 10 feet. Small Craft Advisory conditions are expected to continue beyond the forecast period. Please refer to the Open Lakes Forecast for more information. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-312200- Port Austin to Harbor Beach MI- 949 AM EDT Tue Mar 31 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY EVENING... .REST OF TODAY...North winds 5 to 10 knots becoming northwest 10 to 15 knots late in the afternoon. Mostly cloudy. Numerous showers and isolated thunderstorms late in the morning, then numerous showers and scattered thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...North winds 15 to 20 knots. Mostly cloudy. Numerous showers and isolated 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. $$ LHZ442-312200- Harbor Beach to Port Sanilac MI- 949 AM EDT Tue Mar 31 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY EVENING... .REST OF TODAY...Southwest winds 10 to 15 knots veering to the west late in the afternoon. Mostly cloudy. Scattered showers and isolated thunderstorms late in the morning, then numerous showers and scattered thunderstorms in the afternoon. Waves 2 feet or less. .TONIGHT...Northwest winds 10 to 15 knots becoming north 15 to 20 knots in the late evening and overnight. Mostly cloudy. Scattered showers and thunderstorms early in the evening. Waves 1 to 3 feet building to 3 to 5 feet after midnight. Waves occasionally around 7 feet. .WEDNESDAY...North winds 15 to 20 knots. Mostly cloudy with a slight chance of light rain and freezing rain. Waves 4 to 6 feet. Waves occasionally around 8 feet. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Partly cloudy early in the evening becoming mostly cloudy. A chance of light rain after midnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. Small Craft Advisory conditions are expected to continue beyond the forecast period. Please refer to the Open Lakes Forecast for more information. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-312200- Port Sanilac to Port Huron MI- 949 AM EDT Tue Mar 31 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY EVENING... .REST OF TODAY...South winds 10 to 15 knots veering to the southwest late in the afternoon. Scattered showers and thunderstorms late in the morning, then showers and scattered thunderstorms in the afternoon. 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 scattered thunderstorms early in the evening, then isolated showers 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 with a slight chance of light rain. 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. $$ LEZ444-312200- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 949 AM EDT Tue Mar 31 2026 .REST OF TODAY...Southwest winds 15 to 20 knots. Scattered showers and isolated thunderstorms late in the morning, then showers and scattered thunderstorms in the afternoon. Waves 1 to 3 feet. .TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15 knots in the late evening and early morning, then veering to the north after midnight. Rain showers in the evening. Scattered thunderstorms. Numerous showers after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northeast winds 10 to 15 knots. Mostly cloudy. Isolated thunderstorms early in the morning. Light rain likely until late afternoon, then a chance of light rain early in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Mostly cloudy. A chance of light rain until early morning, then light rain likely after midnight. Waves 1 to 3 feet building to 2 to 4 feet after midnight. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 41 degrees. $$ KGK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes