City of Key Colony Beach Official City Website

Weather Brief – Hurricane Idalia – 0700 ET 29 AUG 2023

From the National Weather Service:

Good morning,

The latest update on Hurricane Idalia for the Florida Keys of Monroe County is attached.

  • A Tropical Storm Warning remains in effect for the Dry Tortugas.  A Tropical Storm Watch remains in effect for the Lower Florida Keys, from the west end of the 7 Mile Bridge through Key West.  
  • Occasional thundery squalls with strong tropical storm force wind gusts and poor visibility in heavy downpours.  Some tree and utility line damage may occur, with unsecured lightweight outdoor items blown about. The highest threat for squalls over the Lower Keys and waters to the west today through Wednesday.  A tornado or two cannot be ruled out, especially during this afternoon.
  • A Coastal Flood Warning is now in effect for the Lower Florida Keys, with a Coastal Flood Advisory now in effect for the Middle Florida Keys.  
  • Coastal flooding up to 2 feet above average high tide (ground level at the immediate coastline) along the ocean-facing side of the Lower and Middle Keys, with a few oceanside locations in Key West possibly reaching 2.5 feet above average high tide.  Coastal flooding near 1 foot above average high tide is possible along the ocean-facing side of the Upper Keys.  Coastal flooding is possible today and again W
  • Hurricane Idalia contains maximum sustained winds near 75 mph and is expected to move over the eastern Gulf of Mexico today well to the west of the Florida Keys, and reach the Gulf coast of Florida on Wednesday as an extremely dangerous major hurricane. 
  • Florida Keys residents and visitors should use caution today when driving due to windy and squally conditions.  Plan for some coastal flooding with water levels to possibly reach 12 to 18 inches higher than what was reached during Monday’s high tide.  

The next update will be distributed around 12:00 pm today.

Weather Brief – Hurricane Idalia – 0700 ET 29 AUG 2023