Severe Storm Surge ● Closed

Coastal Flood Warning issued September 26 at 2:50PM EDT until September 27 at 6:00PM EDT by NWS Baltimore MD/Washington DC, United States of America

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.

* WHAT...For the Coastal Flood Advisory, up to two feet of
inundation above ground level in low lying areas due to tidal
flooding. For the Coastal Flood Warning, up to two and a half
feet of inundation above ground level expected in low lying
areas due to tidal flooding.

* WHERE...Shoreline in St. Marys County.

* WHEN...For the Coastal Flood Advisory, until 11 PM EDT this
evening, especially around the time of high tide. For the
Coastal Flood Warning, from 11 PM this evening to 6 PM EDT
Sunday, especially around the time of high tide.

* IMPACTS...At 3.5 feet, water covers roads on Saint George
Island, is in yards, and is approaching structures. To the
east, inundation is occurring at multiple marinas off St.
Mary's River, Smith Creek, and Jutland Creek.

* ADDITIONAL DETAILS...Tides two and a half to three feet above
normal. The next high tide at Piney Point is at 3:07 AM and 3:19
PM. The next high tide at Coltons Point is at 3:19 PM and 3:43
AM. The next high tide at Point Lookout is at 1:55 AM and 2:36
PM.

Measurements

Coordinates39.9645, -100.8105
RegionSt. Marys
Location Precisioncountry
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyExpected
Cap CertaintyLikely
Cap Expires2026-09-26T23:00:00-04:00

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 23 days ago (Sep 26, 2026 18:51 UTC) · we last heard from WMO Alert Hub (national weather services) 4 seconds ago

On a slow connection? Low-bandwidth version — no map, no scripts, under 14 KB.

About this location

The agency did not publish coordinates for this warning. The pin is the centre of the country, not the location of the event — read the area name, not the map, for where it applies.

Area as the agency stated it: St. Marys

Official authorities in United States

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

More for United States →

What to do

Follow the instructions issued by WMO Alert Hub (national weather services) and your local emergency services. The guidance below is background.

Understanding surge zones, evacuation timing, and why storm surge is the deadliest part of a tropical cyclone.

Open Storm Surge Safety Guide →

Nearby & related events

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.