Alert USA
weather NWS minor Barnstable; Nantucket November 12, 2026 at 2:40 PM

Coastal Flood Statement

* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways (3.2 to 11.6 feet Mean Lower Low Water).

* WHERE...Barnstable MA and Nantucket MA Counties.

* WHEN...Friday afternoon.

* IMPACTS...Roads remain passable. Low lying areas and roads near Nantucket Harbor, including Easy Street, may experience pockets of shallow flooding less than one foot deep.

* ADDITIONAL DETAILS...Splashover and very minor coastal flooding are possible during the Friday afternoon high tide along north facing beaches on Cape Cod Bay as well as Nantucket sound. No significant impacts are expected and any splashover/very minor coastal flooding will be quite short-lived, no more than an hour on either side of high tide.

Flooding in Barnstable; Nantucket can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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