Welcome to Martha’s Vineyard (Dukes County) Alerts!

Coastal Flood Warning issued February 21 at 2:03PM EST until February 23 at 7:00AM EST by NWS Boston/Norton MA

Headline

Coastal Flood Warning issued February 21 at 2:03PM EST until February 23 at 7:00AM EST by NWS Boston/Norton MA

Description

* WHAT...Two to three feet of inundation above ground level
expected in low-lying areas near shorelines and tidal
waterways (4.5 to 13.5 feet Mean Lower Low Water).

* WHERE...Eastern Plymouth MA, Barnstable MA, Dukes MA and
Nantucket MA Counties.

* WHEN...From 1 AM to 7 AM EST Monday.

* IMPACTS...Many roads near Nantucket Harbor become impassable
with 1 to 2 feet of water and affects access to the ferry
terminals. This includes Easy Street, South Beach Street,
Easton Street, Walsh Street, Willard Street, and Straight
Wharf. Many coastal roads become impassable with flooding 1 to
3 feet deep. This includes the Chappy Ferry Dock and Dock
Street near Edgartown Harbor. In Vineyard Haven, Five Corners,
Beach Road, and Water Street become impassable. In Oak Bluffs,
flooding affects East Chop Drive, the section of Lake Avenue
near Oak Bluffs Harbor, and Sea View Avenue, where debris may
also wash onto the roadway.

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.

Additional Details

TypeAlert
PhenomenaCoastal Flood
SeverityWarning
Event CodeCFW
AreaEastern Plymouth; Barnstable; Dukes; Nantucket
SentSaturday, February 21, 2026 2:03 PM EST
ExpiresSunday, February 22, 2026 4:15 AM EST
SenderNWS Boston/Norton MA
Idurn:oid:2.49.0.1.840.0.01a48ee7a1e69471cfa792d9c2d587373a11cb7f.001.2