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Coastal Flood Warning Issued for the Florida Keys

October 29, 2026 · wweather1 editorial · 1 min read

The National Weather Service in Key West, Florida, has issued a Coastal Flood Warning for the Florida Keys until 5 AM EDT Thursday. Major saltwater flooding is expected across the area.

The warning covers the Monroe Upper Keys, Monroe Middle Keys, and Monroe Lower Keys. Flooding is anticipated to be particularly significant during times of high tide, with little relief provided during periods of low tide, especially in the Upper Keys.

Impacts from the flooding include the potential closure of numerous roads throughout the affected region. Additionally, low-lying property, including homes, businesses, and some critical infrastructure, will be inundated by the water.

The Coastal Flood Warning remains in effect until 5:00 AM EDT on October 29, 2026. Residents and individuals in the area should monitor conditions and prepare for rising water levels.

Why it is dangerous and what to do

⚠️ Safety
• Take necessary actions to protect flood-prone property.
• Avoid driving around barricades if travel is required.
• Do not drive through water of unknown depth.
📊 The numbers, from wweather1 data
Key West: now +26°, Clear.
The record for this date is +29° (2019).
Three-day forecast: 29 October: +27°/+24° · 30 October: +26°/+24° · 31 October: +27°/+25°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates.

🌍 Weather in nearby cities

📰 Data source: NWS. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

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