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Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay Marine Forecast

Updated 9:46am EDT Aug 18, 2025
Zone Map
Small Craft Advisory In Effect Until Noon Edt Today
Rest Of Today
East winds 10 to 15 knots. Mostly sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet late in the afternoon. Waves occasionally around 7 feet.
Tonight
East winds 10 to 15 knots becoming southeast 15 to 20 knots in the late evening and overnight. Partly cloudy. A chance of showers and a slight chance of thunderstorms after midnight. Waves 1 to 3 feet.
Tuesday
South winds 15 to 20 knots diminishing to 10 to 15 knots in the late morning and afternoon. Mostly cloudy.
Tuesday Night
South winds 10 to 15 knots backing to the north in the late evening and overnight. Partly cloudy early in the evening becoming mostly cloudy. A chance of thunderstorms early in the evening. A chance of showers until early morning. Waves 1 to 3 feet.