Severe Severe Storm ● Closed

Special Marine Warning — St. Marys River Point Iroquois to E. Potagannissing Bay

Event time: Sep 9, 2026 21:11 UTC Last updated: Sep 19, 2026 United States

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

Special Marine Warning issued September 9 at 5:11PM EDT until September 9 at 7:15PM EDT by NWS Gaylord MI

Measurements

Coordinates	46.2165, -84.0290
Region	St. Marys River Point Iroquois to E. Potagannissing Bay
Nws Urgency	Immediate
Nws Certainty	Likely
Expires	2026-09-09T19:15:00-04:00

Official source

Weather alert data courtesy of NOAA / National Weather Service

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

Severity as published by US National Weather Service.

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Source updated 40 days ago (Sep 9, 2026 21:50 UTC) · we last heard from US National Weather Service 5 seconds ago

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