Severe Storm Surge ● Closed
Coastal Flood Warning issued October 10 at 11:01AM EDT until October 11 at 6:00AM EDT by NWS Jacksonville FL, 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, significant coastal
flooding. For the Coastal Flood Advisory, minor coastal
flooding expected.
* WHERE...St Johns River Basin.
* WHEN...For the Coastal Flood Warning, until 6 AM EDT Sunday.
For the Coastal Flood Advisory, from 6 AM to 5 PM EDT Sunday.
* IMPACTS...Numerous roads may be closed. Low lying property
including homes, businesses, and some critical infrastructure
will be inundated. Some shoreline erosion will occur.
Measurements
| Coordinates | 39.9645, -100.8105 |
|---|---|
| Region | Eastern Clay; Eastern Putnam; South Central Duval; Western St. Johns |
| Location Precision | country |
| Issuing Authority | United States of America — us-noaa-nws-en |
| Cap Urgency | Expected |
| Cap Certainty | Likely |
| Cap Expires | 2026-10-11T06:00:00-04:00 |
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
This event as JSON · API and licence
Source updated 9 days ago (Oct 10, 2026 15:03 UTC) · we last heard from WMO Alert Hub (national weather services) 1 minute 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: Eastern Clay; Eastern Putnam; South Central Duval; Western St. Johns
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 →Earlier storm surge 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.
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.