New York Severe Coastal Flood Warning | Effective 09/25/2026 02:27

Headline: 
Coastal Flood Warning issued September 25 at 5:27AM EDT until September 27 at 6:00PM EDT by NWS Upton NY
Event: 
Coastal Flood Warning
Urgency: 
Expected
Effective: 
September 25, 2026 - 2:27am
Expires: 
September 25, 2026 - 10:30am
Description: 
* WHAT...Two to three feet of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Northwest Suffolk and Northern Nassau Counties. * WHEN...From 6 PM this evening to 6 PM EDT Sunday. * IMPACTS...Widespread flooding of vulnerable areas near the waterfront and shoreline, including roads, parking lots, parks, lawns, and homes and businesses with basements near the waterfront. Numerous road closures are likely, and vehicles parked in vulnerable areas near the waterfront will likely become flooded. Flooding will also extend inland from the waterfront along tidal rivers and bays. * ADDITIONAL DETAILS...Moderate flooding will occur over multiple high tide cycles tonight through Sunday. The worst flooding is expected with the daytime high tide cycles Saturday and Sunday.
Instruction: 
Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
Area Description: 
Northwest Suffolk; Northern Nassau
Forcast Office: 
NWS Upton NY
Sender: 
w-nws.webmaster@noaa.gov