FZUS53 KDTX 271910 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 310 PM EDT Mon Apr 27 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. LHZ422-280315- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 310 PM EDT Mon Apr 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .TONIGHT...Southeast winds to 30 knots. A chance of showers and a slight chance of thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TUESDAY...Southwest winds 20 to 25 knots veering to the west early in the afternoon. Gusts to 30 knots. Cloudy with a chance of showers and a slight chance of thunderstorms early in the morning, then partly cloudy in the late morning and afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet. .TUESDAY NIGHT...West winds 15 to 20 knots becoming north 5 to 10 knots in the late evening and early morning, then becoming northeast 10 to 15 knots after midnight. Partly cloudy early in the evening becoming mostly cloudy. Waves 1 to 3 feet. .WEDNESDAY...Northeast winds 10 to 15 knots. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-280315- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 310 PM EDT Mon Apr 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .TONIGHT...Southeast winds 20 to 25 knots increasing to 30 knots in the late evening and overnight. A chance of showers and a slight chance of thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Waves 3 to 5 feet. Waves occasionally around 6 feet. .TUESDAY...Southwest winds 20 to 25 knots. Gusts to 30 knots. Cloudy with a chance of showers and a slight chance of thunderstorms early in the morning, then partly cloudy in the late morning and afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet. .TUESDAY NIGHT...West winds 10 to 15 knots becoming north 5 to 10 knots in the late evening and overnight. Partly cloudy until early morning becoming mostly cloudy. Waves 2 to 4 feet subsiding to 2 feet or less in the late evening and overnight. .WEDNESDAY...Northeast winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-280315- Port Austin to Harbor Beach MI- 310 PM EDT Mon Apr 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...Southeast winds 20 to 25 knots with gusts to 30 knots. A chance of showers in the evening, then showers and a chance of thunderstorms after midnight. Waves 4 to 6 feet building to 5 to 7 feet after midnight. Waves occasionally around 10 feet. .TUESDAY...South winds 20 to 25 knots with gusts to 30 knots becoming southwest 15 to 20 knots in the late morning and afternoon. Cloudy with showers likely and a slight chance of thunderstorms early in the morning, then partly cloudy in the late morning and afternoon. Waves 4 to 6 feet. Waves occasionally around 7 feet. .TUESDAY NIGHT...West winds 10 to 15 knots becoming north 5 to 10 knots in the late evening and overnight. Partly cloudy early in the evening becoming mostly cloudy. Waves 2 to 4 feet subsiding to 2 feet or less in the late evening and overnight. .WEDNESDAY...North winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-280315- Harbor Beach to Port Sanilac MI- 310 PM EDT Mon Apr 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...Southeast winds 15 to 20 knots increasing to 20 to 25 knots in the late evening and overnight. Gusts to 30 knots. Cloudy. A chance of showers in the evening, then a chance of showers and thunderstorms after midnight. Waves 4 to 6 feet building to 5 to 7 feet after midnight. Waves occasionally around 10 feet. .TUESDAY...South winds 20 to 25 knots with gusts to 30 knots becoming southwest 15 to 20 knots in the late morning and afternoon. Cloudy with showers likely and a chance of thunderstorms early in the morning, then partly cloudy with a slight chance of showers in the late morning and early afternoon. Partly cloudy early in the afternoon. Waves 5 to 7 feet subsiding to 2 to 4 feet early in the afternoon. Waves occasionally around 10 feet. .TUESDAY NIGHT...West winds 10 to 15 knots becoming north 5 to 10 knots in the late evening and overnight. Partly cloudy early in the evening becoming mostly cloudy. Waves 2 feet or less. .WEDNESDAY...North winds 10 to 15 knots increasing to 15 to 20 knots early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. A chance of showers until late afternoon. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-280315- Port Sanilac to Port Huron MI- 310 PM EDT Mon Apr 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON... .TONIGHT...Southeast winds 20 to 25 knots becoming south to 30 knots early in the morning. A chance of showers in the evening, then showers and a chance of thunderstorms after midnight. Waves 4 to 6 feet building to 5 to 7 feet early in the morning. Waves occasionally around 10 feet. .TUESDAY...South winds 20 to 25 knots with gusts to 30 knots becoming southwest 15 to 20 knots in the late morning and afternoon. Cloudy with showers likely and a chance of thunderstorms early in the morning, then partly cloudy in the late morning and afternoon. Waves 4 to 6 feet subsiding to 1 to 3 feet early in the afternoon. Waves occasionally around 8 feet. .TUESDAY NIGHT...West winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and early morning, then becoming north 10 to 15 knots after midnight. Partly cloudy early in the evening becoming mostly cloudy. Waves 2 feet or less. .WEDNESDAY...North winds 10 to 15 knots increasing to 15 to 20 knots early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. A chance of showers until late afternoon. Waves 1 to 3 feet building to 3 to 5 feet early in the afternoon. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-280315- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 310 PM EDT Mon Apr 27 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH TUESDAY AFTERNOON... .TONIGHT...Southeast winds 15 to 20 knots. Gusts to 30 knots in the evening. A chance of showers and thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Waves 2 to 4 feet. .TUESDAY...South winds 15 to 20 knots becoming west 10 to 15 knots in the late morning and afternoon. Cloudy early in the morning becoming partly cloudy. A chance of showers and a slight chance of thunderstorms early in the morning. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late morning and afternoon. .TUESDAY NIGHT...West winds 10 to 15 knots becoming north 5 to 10 knots in the late evening and overnight. Partly cloudy until early morning becoming mostly cloudy. A chance of showers after midnight. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 10 knots increasing to 10 to 15 knots early in the afternoon. Mostly cloudy. Rain showers likely until late afternoon, then a chance of showers early in the afternoon. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 52 degrees. $$ KGK You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes