Expires:202506201600;;056664 FZUS53 KDTX 200759 NSHDTX Nearshore Marine Forecast for Michigan National Weather Service Detroit/Pontiac MI 359 AM EDT Fri Jun 20 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. LHZ421-201600- Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay- 359 AM EDT Fri Jun 20 2025 .TODAY...Southwest winds 5 to 10 knots backing to the south late in the afternoon. Partly cloudy with a chance of showers and a slight chance of thunderstorms in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Waves 2 feet or less. .TONIGHT...South winds 5 to 10 knots increasing to 10 to 15 knots in the late evening and overnight. Partly cloudy in the evening becoming mostly cloudy. A chance of showers and thunderstorms. Waves 2 feet or less. .SATURDAY...South winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the late morning and afternoon. Mostly cloudy with a chance of showers and thunderstorms in the morning, then partly cloudy in the afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. A Small Craft Advisory may be needed. .SATURDAY NIGHT...Southwest winds 20 to 25 knots. Gusts to 30 knots early in the evening. Mostly clear. Waves 3 to 5 feet. Waves occasionally around 7 feet. See Lake Huron Open Lake Forecast for days 3 through 5. $$