Special Marine Warning for Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary; Sturgeon Pt to Alabaster MI; Lake Huron from Presque Isle Lt. to Sturgeon Point MI 5NM off shore to US/Canadian border +1 more

Official alert brief

For the following areas... Lake Huron from Presque Isle Lt. to Sturgeon Point MI 5NM off shore to US/Canadian border... Lake Huron from Sturgeon Point to Alabaster MI 5NM off shore to US/Canadian border... Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary... Sturgeon Pt to Alabaster MI... At 401 AM EDT, strong thunderstorms were located along a line extending from near Observatory Point to near Alpena to near Greenbush, moving east at 50 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Observed wind gust of 40 knots at Alpena County Regional Airport at 356 AM. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Middle Island, Black River, South Point, Greenbush, Thunder Bay, Sturgeon Point, Northern Lake Huron Buoy, Harrisville, and Alpena.

Instructions

Move to safe harbor until hazardous weather passes.