Severe Severe Storm ● Closed

Special Marine Warning issued September 9 at 5:11PM EDT until September 9 at 7:15PM EDT by NWS Gaylord MI, United States of America

Event time: Sep 9, 2026 21:11 UTC Last updated: Sep 18, 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.

SMWAPX

The National Weather Service in Gaylord has issued a

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

* Until 715 PM EDT.

* At 511 PM EDT, strong thunderstorms were located along a line
extending from 7 nm southeast of Sault Sainte Marie to 11 nm
southeast of Salt Point, moving east at 30 knots.

HAZARD...Wind gusts 34 knots or greater and small hail.

SOURCE...Radar.

IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.

* Strong thunderstorms will be near...
Sugar Island around 515 PM EDT.
Neebish Island around 520 PM EDT.
Munuscong around 535 PM EDT.

Other locations impacted by strong thunderstorms include Sugar
Island.

Measurements

Coordinates	46.2165, -84.0290
Region	St. Marys River Point Iroquois to E. Potagannissing Bay
Location Precision	polygon
Issuing Authority	United States of America — us-noaa-nws-en-marine
Cap Urgency	Immediate
Cap Certainty	Likely
Cap Expires	2026-09-09T19:15:00-04:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

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 WMO Alert Hub (national weather services).

View original report

This event as JSON · API and licence

Source updated 40 days ago (Sep 9, 2026 21:12 UTC) · we last heard from WMO Alert Hub (national weather services) 56 seconds ago

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Official authorities in United States

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Earlier severe storm events in United States

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Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.