The areas affected include... Inner Saginaw Bay SW of Point Au Gres to Bay Port MI... Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay...
At 455 PM EDT, Doppler radar indicated strong thunderstorms, capable of producing winds up to 30 knots. These thunderstorms were located along a line extending from near White Stone Point to 10 nm west of Gravelly Shoals to 9 nm northwest of Pinconning, moving east at 30 knots.
strong thunderstorms will be near... Gravelly Shoals around 500 PM EDT. Caseville around 515 PM EDT. Port Austin around 530 PM EDT. Bay Port around 535 PM EDT.