Severe Storm Surge ● Closed
Coastal Flood Warning issued September 23 at 10:41PM EDT until September 25 at 5:00PM EDT by NWS Baltimore MD/Washington DC, United States of America
Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.
* WHAT...Up to one foot of inundation above ground level
expected in low lying areas due to tidal flooding.
* WHERE...Shoreline in St. Marys County.
* WHEN...From 9 PM this evening to 5 PM EDT Friday, 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 Point Lookout is at 12:04 AM and
12:27 PM. The next high tide at Piney Point is at 1:10 AM and
1:33 PM. The next high tide at Coltons Point is at 1:46 AM and
2:09 PM.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | St. Marys |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Expected |
| Cap Certainty | Likely |
| Cap Expires | 2026-09-24T06:45:00-04:00 |
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 reportThis event as JSON · API and licence
Source updated 25 days ago (Sep 24, 2026 02:42 UTC) · we last heard from WMO Alert Hub (national weather services) 0 seconds ago
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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.