Severe Storm Surge ● Closed
Coastal Flood Warning issued September 27 at 12:48PM EDT until September 28 at 2:00PM EDT by NWS Mount Holly NJ, 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...For the Coastal Flood Warning, up to one foot of
inundation above ground level in low-lying areas near shorelines
and tidal waterways. For the High Surf Advisory, large breaking
waves of 4 to 8 feet in the surf zone. For the High Rip Current
Risk, dangerous rip currents.
* WHERE...Coastal Ocean.
* WHEN...For the Coastal Flood Warning, until 2 PM EDT Monday.
For the High Surf Advisory, until 8 PM EDT this evening. For
the High Rip Current Risk, until 8 PM EDT this evening.
* IMPACTS...Numerous roads may be closed. Low lying property
including homes, businesses, and some critical infrastructure
will be inundated. Some shoreline erosion will occur. Dangerous
swimming and surfing conditions and localized beach erosion. Rip
currents can sweep even the best swimmers away from shore into
deeper water.
* ADDITIONAL DETAILS...Back bay flooding may persist beyond Monday
afternoon.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Coastal Ocean |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Expected |
| Cap Certainty | Likely |
| Cap Expires | 2026-09-28T02:00:00-04:00 |
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 reportAlso reported by: WMO WMO WMO
This event as JSON · API and licence
Source updated 22 days ago (Sep 27, 2026 16:49 UTC) · we last heard from WMO Alert Hub (national weather services) 55 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: Coastal Ocean
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.