New York Severe Coastal Flood Warning | Effective 09/27/2026 03:02

Headline: 
Coastal Flood Warning issued September 27 at 6:02AM EDT until September 27 at 6:00PM EDT by NWS Upton NY
Event: 
Coastal Flood Warning
Urgency: 
Expected
Effective: 
September 27, 2026 - 3:02am
Expires: 
September 27, 2026 - 11:15am
Description: 
* WHAT...Two to 2 1/2 feet of inundation above ground level in vulnerable areas near the waterfront and shoreline. * WHERE...Northeast Suffolk 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 4 to 8 feet, along with elevated water levels, will result in areas of dune erosion with damage to a few waterfront structures. Splashover over seawalls and overwashes where dune structures are compromised may locally exacerbate flooding of roadways and vulnerable structures behind protective dunes.
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: 
Northeast Suffolk
Forcast Office: 
NWS Upton NY
Sender: 
w-nws.webmaster@noaa.gov