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Special Marine Warning — Grand Marais to Taconite Harbor MN; Taconite Harbor to Silver Bay Harbor MN; Silver Bay Harbor to Two Harbors MN; Port Wing to Sand Island WI; Sand Island to Bayfield WI; Outer Apostle Islands Beyond 5 NM from Mainland; Lake

severe

Severity as published by US National Weather Service.

Source
US National Weather Service — official source
Time
27 July 2026, 01:24 UTC (Jul 27, 2026)
Area
Grand Marais to Taconite Harbor MN; Taconite Harbor to Silver Bay Harbor MN; Silver Bay Harbor to Two Harbors MN; Port Wing to Sand Island WI; Sand Island , United States
47.052, -90.831

What this is

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

What to do

Follow the instructions issued by US National Weather Service and your local emergency services. The guidance below is background.

Who to contact

National Weather Service · FEMA · USGS Earthquake Hazards

This site is not an emergency service and does not issue warnings.

Location

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