Severe · Special Marine WarningThis alert has expired. It is kept for reference.
Special Marine Warning issued October 28 at 8:13PM EDT until October 28
Affecting Saxon Harbor WI to Black River MI; Black River To Ontonagon MI; Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park
In effect until: Oct 29, 2026, 1:00 AM
Saxon Harbor WI to Black River MI; Black River To Ontonagon MI; Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park
Likely impact; effects through 1:00 AM.
Move to safe harbor immediately as gusty winds and high waves are expected.
Read the original bulletin (official text)
SMWMQT The National Weather Service in Marquette has issued a * Special Marine Warning for... Black River To Ontonagon MI... Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park... Saxon Harbor WI to Black River MI... * Until 900 PM EDT. * At 813 PM EDT, strong thunderstorms were located along a line extending from 13 nm southwest of The Western Lake Superior Buoy to 36 nm south of Ashland Breakwater Lighthouse, moving east at 30 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Strong thunderstorms will remain over mainly open waters.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™