Coastal Flood Warning for Eastern Essex to Nantucket MA
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 multiple eastern Massachusetts counties until 8 PM EDT Sunday, with up to one foot of inundation and large waves.
The weather record, at a glance
- Record type
- Coastal Flood Warning
- Affected area
- Eastern Massachusetts
- Issued
- September 26, 2026
- Issuing authority
- NWS Boston/Norton MA
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 Boston/Norton MA. Effective from September 26 at 2:00AM EDT through September 27 at 8:00PM EDT. Also includes High Surf Advisory.
Affected Areas
Eastern Essex MA, Suffolk MA, Eastern Norfolk MA, Eastern Plymouth MA, Barnstable MA, Dukes MA and Nantucket MA Counties.
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. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
Expected Conditions
Up to one foot of inundation above ground level in low-lying areas near shorelines and tidal waterways (4.0 to 12.6 feet Mean Lower Low Water). Large breaking waves of 6 to 13 feet in the surf zone. Strong northeast winds with large waves resulting in minor coastal flooding with pockets of moderate coastal flooding. Severe beach erosion expected.
Timeline
Alert remains in effect until 8 PM EDT Sunday, September 27. Persistent strong northeast winds over multiple high tide cycles from late today through the weekend.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Elsewhere in the country: similar 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.
Similar body length
Nearest notices by article body length (1,132 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 26, 2026.
Frequently Asked Questions
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