SMWDTX The National Weather Service in Detroit/Pontiac has issued a * Special Marine Warning for. Lake Huron from Port Austin to Harbor Beach 5NM Off Shore to the US/Canadian border. Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay. Port Austin to Harbor Beach MI. * Until 600 PM EDT. * At 356 PM EDT, a severe thunderstorm capable of producing waterspouts was located near Port Austin, moving east at 20 knots. HAZARD. Waterspouts and wind gusts 34 knots or greater. 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. * The severe thunderstorm will be near. Port Hope around 420 PM EDT.

For the following areas. Lake Huron from Port Austin to Harbor Beach 5NM Off Shore to the US/Canadian border. Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay. Port Austin to Harbor Beach MI. At 421 PM EDT, a severe thunderstorm capable of producing waterspouts was located near Port Hope, moving east at 20 knots. HAZARD. Waterspouts, wind gusts in excess of 50 knots, and small hail. SOURCE. Radar indicated. IMPACT. Waterspouts can easily overturn boats and create locally hazardous seas. Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. The severe thunderstorm will be near. Port Hope around 425 PM EDT.

For the following areas. Lake Huron from Port Austin to Harbor Beach 5NM Off Shore to the US/Canadian border. Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay. Port Austin to Harbor Beach MI. At 445 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Port Hope, moving east at 15 knots. HAZARD. Waterspouts, wind gusts in excess of 50 knots, and large hail. SOURCE. Weather spotters reported a funnel cloud near Port Hope. IMPACT. Waterspouts can easily overturn boats and create locally hazardous seas. Boats could suffer significant structural damage in high winds and hail. Small craft could capsize in suddenly higher waves. The severe thunderstorm will remain over mainly open waters.