Coastal Flood Warning
NWS Upton NY ยท US
Details
Coastal Flood Warning In Effect From 6 PM This Evening To 6 PM EDT Sunday
- Event
- Coastal Flood Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
What
One to two feet of inundation above ground level expected in vulnerable areas near the waterfront and shoreline.
Where
Northeast Suffolk County.
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 cycle on Saturday.
Instructions
Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
Affected areas
- Northeast Suffolk
Public contact
- Issuer
- NWS Upton NY
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~49s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M3BY8X8MNNRR2MTP3WHSH99Q
- Identifier
- urn:oid:2.49.0.1.840.0.f5cb8aff25803c716998fe7ad961b885c6f232ce.010.2
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Upton NY
- AWIPS ID
- CAPOKX
- NWWS sequence
- nwws_processor.6174
- WMO heading
- XOUS51
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- United States (US)
- WMO bulletin number
- 51
Event codes
| Name | Value |
|---|---|
| SAME | CFW |
| NationalWeatherService | CFW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | CFWOKX |
| WMOidentifier | WHUS41 KOKX 250927 |
| NWSheadline | COASTAL FLOOD WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM EDT SUNDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| EAS-ORG | WXR |
| VTEC | /O.NEW.KOKX.CF.W.0002.260925T2200Z-260927T2200Z/ |
| eventEndingTime | 2026-09-27T18:00:00-04:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Northeast Suffolk
| Name | Value |
|---|---|
| SAME | 036103 |
| UGC | NYZ079 |