NWS Marquette MIMA.W 0015June 29, 2026
Special Marine Warning: Black River To Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the U
The National Weather Service office in Marquette issued a special marine warning for Black River To Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and 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, which was in force until 6:15 p.m. local time on June 29. It was the 15th special marine warning the NWS office in Marquette issued in 2026.
ExpiredWarning
In force for 1 hour; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Marquette MI
- Area
- Black River To Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and 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
- Level
- Warning
- Issued
- 5:15 p.m. EDT, June 29, 2026
- Expires
- 6:15 p.m. EDT, June 29, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KMQT MA.W 0015
- Official source
- National Weather Service: the notice at its source
NWS notices, June 2026The latest from the National Weather Service
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
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... Ontonagon to Upper Entrance of Portage Canal MI... * Until 615 PM EDT. * At 514 PM EDT, strong thunderstorms were located along a line extending from 15 nm southwest of Rock of Ages Light to 33 nm south of The Western Lake Superior Buoy, moving northeast at 45 knots. HAZARD...Wind gusts to nearly 50 knots and small hail. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Strong thunderstorms will remain over mainly open waters.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.