Severe Storm Surge ● Closed

Coastal Flood Warning issued September 27 at 6:02AM EDT until September 27 at 6:00PM EDT by NWS Upton NY, 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...Two to three feet of inundation above ground level in
vulnerable areas near the waterfront and shoreline.

* WHERE...In Connecticut, Southern Fairfield and Southern New
Haven Counties. In New York, Southern Westchester County.

* WHEN...Until 6 PM EDT this evening.

* COASTAL IMPACTS...Locally moderate flooding is expected in the
most vulnerable locations near the waterfront and shoreline.
Some roads and low lying property including parking lots,
parks, lawns and homes/businesses with basements near the
waterfront will experience shallow flooding.

* SHOREFRONT/BEACH IMPACTS...Breaking waves of 2 to 4 feet,
along with elevated water levels, will result in dune erosion
with damage to a few waterfront structures across southeast
and east facing shorelines. Splashover over seawalls and
overwashes where dune structures are compromised may locally
exacerbate flooding of roadways and vulnerable structures
behind protective dunes.

Measurements

Coordinates39.9645, -100.8105
RegionSouthern Fairfield; Southern New Haven; Southern Westchester
Location Precisioncountry
Issuing AuthorityUnited States of America — us-noaa-nws-en
Cap UrgencyExpected
Cap CertaintyLikely
Cap Expires2026-09-27T14:15:00-04:00

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

Also reported by: WMO WMO WMO WMO WMO WMO

This event as JSON · API and licence

Source updated 22 days ago (Sep 27, 2026 10:03 UTC) · we last heard from WMO Alert Hub (national weather services) 33 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: Southern Fairfield; Southern New Haven; Southern Westchester

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.

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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.