Severe Severe Storm ● Closed

Special Marine Warning issued September 9 at 5:49PM EDT until September 9 at 7:15PM EDT by NWS Gaylord MI, United States of America

Event time: 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.

For the following areas...
St. Marys River Point Iroquois to E. Potagannissing Bay...

At 547 PM EDT, strong thunderstorms were located along a line
extending from 10 nm east of Neebish Island to 7 nm west of
Munuscong, moving east at 25 knots.

HAZARD...Wind gusts to 34 knots.

SOURCE...Radar indicated. At 530 PM EDT, Rock Cut reported a gust to
31 knots.

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

Strong thunderstorms will be near...
Neebish Island and Munuscong around 550 PM EDT.
Lime Island around 625 PM EDT.

Measurements

Coordinates46.1563, -84.0244
RegionSt. Marys River Point Iroquois to E. Potagannissing Bay
Location Precisionpolygon
Issuing AuthorityUnited States of America — us-noaa-nws-en-marine
Cap UrgencyImmediate
Cap CertaintyLikely
Cap Expires2026-09-09T19:15:00-04:00

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 21:50 UTC) · we last heard from WMO Alert Hub (national weather services) 30 seconds ago

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Official authorities in United States

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Earlier severe storm events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Special Marine Warning — Pamlico Sound; Pamlico and Pungo Rivers; Neuse and Bay Rivers Severe Severe Storm United States closed via NWS Aug 10, 2026 Special Marine Warning — Chesapeake Bay from Sandy Point to North Beach MD; Chesapeake Bay from North Beach to Drum Point MD; Eastern Bay; Choptank River to Cambridge MD and the Little Choptank River Severe Severe Storm United States closed via NWS Aug 10, 2026 Special Marine Warning — Tidal Potomac from Indian Head to Cobb Island MD Severe Severe Storm United States closed via NWS Aug 10, 2026 Severe Thunderstorm Warning — Dorchester, MD Severe Severe Storm United States closed via NWS Aug 10, 2026

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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.