Coastal Flood Warning for Monroe Upper Keys (Sep 27, 2026)
If you are in immediate danger, call emergency services now.
For real-time, official alerts and instructions for your exact location, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia) as applicable. This article is a data summary, not a substitute for the issuing agency's live warning.
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 the Upper Florida Keys until 6 AM EDT Monday due to major saltwater flooding.
30 seconds on this weather notice
- Record type
- Coastal Flood Warning
- Affected area
- Upper Florida Keys
- Issued
- September 27, 2026
- Issuing authority
- NWS Key West FL
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
A Coastal Flood Warning has been issued by the National Weather Service Key West FL. The alert is effective from September 27 at 1:22 PM EDT and remains in effect until September 28 at 6:00 AM EDT.
Affected Areas
The warning covers Monroe Upper Keys in the Upper Florida Keys.
What You Should Do
Residents should take necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
Expected Conditions
Major saltwater flooding is expected. Numerous roads may be closed. Low-lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur.
Timeline
The alert is in effect until 6:00 AM EDT on September 28.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Similar notices nationwide by length or severity timing 8
Two cross-category peer sets, both computed from Areazine's own archive: notices with a similar body length, and notices near the same severity and agency date. These are drawn from other categories, not the same-feed Related list above.
Similar body length
Nearest notices by article body length (785 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 27, 2026.
Common Questions
Questions readers often have about this NWS weather alert.