FZUS53 KDTX 131951 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 351 PM EDT Mon Apr 13 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. LHZ422-140400- Inner Saginaw Bay SW of Point Au Gres to Bay Port MI- 351 PM EDT Mon Apr 13 2026 .TONIGHT...Southwest winds 10 to 15 knots backing to the east in the late evening and early morning, then veering to the south early in the morning. Partly cloudy with a chance of thunderstorms and a slight chance of showers in the evening, then showers and a chance of thunderstorms after midnight. Patchy fog after midnight. Waves 2 feet or less. .TUESDAY...Southwest winds 15 to 20 knots increasing to 20 to 25 knots in the late morning and early afternoon, then diminishing to 15 to 20 knots early in the afternoon. Patchy fog early in the morning. Mostly cloudy with showers likely and a slight chance of thunderstorms early in the morning, then mostly cloudy with a chance of showers and a slight chance of thunderstorms in the late morning and early afternoon. Partly cloudy early in the afternoon. Waves 2 to 4 feet. .TUESDAY NIGHT...Southeast winds 10 to 15 knots veering to the southwest after midnight. Rain showers and a chance of thunderstorms until early morning, then mostly cloudy with showers likely after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northwest winds 10 to 15 knots veering to the northeast early in the afternoon. Mostly cloudy. Light showers likely early in the morning, then a chance of showers in the late morning and afternoon. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ421-140400- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 351 PM EDT Mon Apr 13 2026 .TONIGHT...East winds 10 to 15 knots. Partly cloudy with a chance of showers and thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Patchy fog after midnight. Waves 2 feet or less. .TUESDAY...Southwest winds 15 to 20 knots. Patchy fog until late afternoon. Mostly cloudy with a chance of showers and a slight chance of thunderstorms until late afternoon, then partly cloudy early in the afternoon. Waves 2 to 4 feet. .TUESDAY NIGHT...East winds 10 to 15 knots veering to the southwest after midnight. Rain showers and a chance of thunderstorms until early morning, then mostly cloudy with showers likely after midnight. Waves 1 to 3 feet. .WEDNESDAY...North winds 5 to 10 knots veering to the northeast early in the afternoon. Mostly cloudy. Light showers likely early in the morning, then a chance of showers in the late morning and afternoon. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ441-140400- Port Austin to Harbor Beach MI- 351 PM EDT Mon Apr 13 2026 .TONIGHT...East winds 5 to 10 knots veering to the southeast after midnight, then increasing to 10 to 15 knots early in the morning. Partly cloudy with a slight chance of showers and thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Patchy fog. Waves 2 feet or less. .TUESDAY...Southwest winds 15 to 20 knots veering to the west early in the afternoon. Patchy fog until late afternoon. Mostly cloudy with a chance of showers and thunderstorms early in the morning, then mostly cloudy with a slight chance of showers and thunderstorms in the late morning and early afternoon. Partly cloudy early in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .TUESDAY NIGHT...Southeast winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and early morning, then veering to the southwest after midnight. Rain showers and a chance of thunderstorms until early morning, then mostly cloudy with showers likely after midnight. Waves 1 to 3 feet. .WEDNESDAY...Northwest winds 5 to 10 knots veering to the northeast early in the afternoon. Mostly cloudy with a chance of showers. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ442-140400- Harbor Beach to Port Sanilac MI- 351 PM EDT Mon Apr 13 2026 .TONIGHT...North winds 5 to 10 knots veering to the northeast this evening, then veering to the southeast after midnight becoming south 10 to 15 knots early in the morning. Partly cloudy with a chance of showers and thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Patchy fog. Waves 2 feet or less. .TUESDAY...Southwest winds 15 to 20 knots veering to the west early in the afternoon. Patchy fog early in the morning. Mostly cloudy with a chance of showers and thunderstorms early in the morning, then mostly cloudy with a slight chance of showers and thunderstorms in the late morning and early afternoon. Partly cloudy early in the afternoon. Waves 1 to 3 feet. .TUESDAY NIGHT...Southwest winds 10 to 15 knots. Rain showers and a chance of thunderstorms until early morning, then showers after midnight. Waves 2 feet or less. .WEDNESDAY...West winds 10 to 15 knots becoming north 5 to 10 knots early in the afternoon. Light showers early in the morning, then a chance of showers in the late morning and early afternoon. Light showers likely early in the afternoon. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LHZ443-140400- Port Sanilac to Port Huron MI- 351 PM EDT Mon Apr 13 2026 .TONIGHT...Northwest winds 5 to 10 knots veering to the northeast this evening, then becoming south 10 to 15 knots after midnight. Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely and a chance of thunderstorms after midnight. Patchy fog. Waves 2 feet or less. .TUESDAY...Southwest winds 15 to 20 knots. Patchy fog early in the morning. Mostly cloudy with showers likely and a chance of thunderstorms early in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the late morning and afternoon. Waves 1 to 3 feet. .TUESDAY NIGHT...West winds 10 to 15 knots. Rain showers and a chance of thunderstorms until early morning, then showers after midnight. Waves 2 feet or less. .WEDNESDAY...Southwest winds 10 to 15 knots veering to the northwest early in the afternoon. Mostly cloudy. A chance of showers until late afternoon, then showers likely early in the afternoon. Waves 2 feet or less. See Lake Huron Open Lake Forecast for days 3 through 5. $$ LEZ444-140400- Michigan Waters of Lake Erie from Detroit River to North Cape MI- 351 PM EDT Mon Apr 13 2026 .TONIGHT...South winds 10 to 15 knots. Partly cloudy with a chance of showers and a slight chance of thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Waves 2 feet or less. .TUESDAY...Southwest winds 15 to 20 knots. Mostly cloudy early in the morning becoming partly cloudy. A chance of showers and thunderstorms early in the morning. A chance of showers and thunderstorms early in the afternoon. Waves 1 to 3 feet. .TUESDAY NIGHT...Southwest winds 10 to 15 knots. Light showers and a chance of thunderstorms. Waves 1 to 3 feet. .WEDNESDAY...Southwest winds 10 to 15 knots. Light showers likely until late afternoon, then showers and a chance of thunderstorms early in the afternoon. Waves 2 feet or less. See Lake Erie Open Lake Forecast for days 3 through 5. The water temperature at Belle Isle is 48 degrees. $$ MV You can obtain your latest National Weather Service forecasts online a www.weather.gov/greatlakes