Special Marine Warning: Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay; Inner Saginaw B…
Special Marine Warning issued August 16 at 5:08PM EDT until August 16 at 6:45PM EDT by NWS Detroit/Pontiac MI
SMWDTX The National Weather Service in Detroit/Pontiac has issued a * Special Marine Warning for... 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... * Until 645 PM EDT. * At 508 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 8 nm east of White Stone Point to 8 nm west of Gravelly Shoals to 9 nm west of Pinconning, moving east at 20 knots. HAZARD...Waterspouts, wind gusts to 40 knots, and small hail. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Severe thunderstorms will be near... Gravelly Shoals and Pinconning around 515 PM EDT. Caseville around 520 PM EDT. Port Austin and Bay Port around 545 PM EDT. Sebewaing around 610 PM EDT. Other locations impacted by severe thunderstorms include Bay Port.
What to do: Move to safe harbor until hazardous weather passes. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.
Issued by NWS Detroit/Pontiac MI; in effect until Sun, 16 Aug 2026 22:45:00 GMT.
Source: National Weather Service (NOAA). Factual summary of a public release; not financial advice.
AI-assisted report. Disclosed per Moondial News integrity policy.