Coastal Flood Warning for Northeast Suffolk

Source: NOAA · Northeast Suffolk County, New York

If you are in immediate danger, call emergency services now.

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Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

A Coastal Flood Warning is in effect for Northeast Suffolk County from 6 PM today through 6 PM Sunday, with 1-2 feet of inundation expected.

Read this weather record in 30 seconds

Record type
Coastal Flood Warning
Affected area
Northeast Suffolk County, New York
Issued
September 25, 2026
Issuing authority
NWS Upton NY

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

Coastal Flood Warning issued by NWS Upton NY. Effective from 6 PM EDT September 25 to 6 PM EDT September 27.

Affected Areas

Northeast Suffolk County.

What You Should Do

Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.

Expected Conditions

One to two feet of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. Widespread flooding of roads, parking lots, parks, lawns, and homes and businesses with basements near the waterfront. Flooding will extend inland along tidal rivers and bays.

Timeline

From 6 PM this evening (September 25) to 6 PM EDT Sunday (September 27). Moderate flooding will occur over multiple high tide cycles tonight through Sunday, with the worst flooding expected during the daytime high tide cycle on Saturday.

Original source: NOAA Official Notice ↗

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Comparable nationwide notices (length or severity timing) 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Common Questions

Questions readers often have about this NWS weather alert.

What is this NWS weather alert about? ▾
A Coastal Flood Warning is in effect for Northeast Suffolk County from 6 PM today through 6 PM Sunday, with 1-2 feet of inundation expected.
Which agency issued this alert? ▾
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert? ▾
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected? ▾
This alert affects Northeast Suffolk County, New York. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates? ▾
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.