# NWS Coastal Flood Warning: Monroe Upper Keys; Monroe Middle Keys; Monroe Lower Keys

> Coastal Flood Warning issued October 27 at 4:00AM EDT until October 28 at 5:00AM EDT by NWS Key West FL

By PrimaryBrief newsroom · Published 2026-10-27T08:04:03.739059Z
Canonical: https://primarybrief.com/article/nws-weather-alert-456bfe760e2b78c618695f6b

**Official alert:** Coastal Flood Warning for Monroe Upper Keys; Monroe Middle Keys; Monroe Lower Keys.

**Expires:** Oct 27, 2026 at 09:00 PM UTC.

* WHAT...Major saltwater flooding.

* WHERE...Florida Keys.

* WHEN...Until 5 AM EDT Wednesday, especially at the times of high
tide with little relief at the times of low tide, especially in
the Upper Keys.

* IMPACTS...Numerous roads may be closed. Low lying property
including homes, businesses, and some critical infrastructure
will be inundated. Some shoreline erosion will occur.

**NWS 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.

This is a direct summary of an active National Weather Service alert. Follow the official source for updates and current instructions. [1]

## Evidence cited
1. Coastal Flood Warning issued October 27 at 4:00AM EDT until October 28 at 5:00AM EDT by NWS Key West FL (National Weather Service) — https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.236539937ee0a25b0dc96afc55baa6961a10f310.001.1