NWS Duluth MNMA.W 0017June 29, 2026
Special Marine Warning: Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN, Taconite Harbor to Silver Bay Harbor MN and 4 more
The National Weather Service office in Duluth issued a special marine warning for Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN, Taconite Harbor to Silver Bay Harbor MN and 4 more, which was in force until 3:30 p.m. local time on June 29. It was the 17th special marine warning the NWS office in Duluth issued in 2026.
ExpiredWarning
In force for 1.5 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Duluth MN
- Area
- Grand Portage to Grand Marais MN, Grand Marais to Taconite Harbor MN, Taconite Harbor to Silver Bay Harbor MN and 4 more
- Level
- Warning
- Issued
- 2:01 p.m. CDT, June 29, 2026
- Expires
- 3:30 p.m. CDT, June 29, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KDLH MA.W 0017
- 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
SMWDLH The National Weather Service in Duluth MN has issued a * Special Marine Warning for... Grand Marais to Taconite Harbor MN... Grand Portage to Grand Marais MN... Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM... Outer Apostle Islands Beyond 5 NM from Mainland... Silver Bay Harbor to Two Harbors MN... Taconite Harbor to Silver Bay Harbor MN... Two Harbors to Duluth MN... * Until 330 PM CDT. * At 201 PM CDT, strong thunderstorms were located along a line extending from 39 nm northwest of Beaver Bay to 25 nm northwest of Castle Danger to 12 nm northwest of Larsmont, moving east at 55 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. * Locations impacted include... Grand Portage Marina, Castle Danger, Pigeon Point, Sugar Loaf Cove, Tofte Safe Harbor, Horseshoe Bay And Safe Harbor, Twin Points Safe Harbor, Devils Island, Taconite Harbor, Tofte, Beaver Bay, Mouth Of The Cross River, Grand Marais Harbor, Split Rock Lighthouse, Silver Bay Marina and Ore Dock, Two Harbors Protected Access Agate Bay, and North Twin Island.
What the agency told people to do
Move to safe harbor until hazardous weather passes.
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.