Area Forecast Discussion
Issued by NWS Key West, FL
Issued by NWS Key West, FL
531 FXUS62 KKEY 101449 AFDKEY Area Forecast Discussion National Weather Service Key West FL Issued by National Weather Service Jacksonville FL 949 AM EST Wed Dec 10 2025 ...New AVIATION, PREV DISCUSSION... .KEY MESSAGES... -As the front pushes eastward and away from the Florida Keys, much drier conditions will overspread today through the remainder of the week. -A reinforcing frontal boundary will move through tonight into tomorrow resulting in northwesterly breezes becoming north to northeast. -Breezes will slacken to light to gentle and will fluctuate between gentle to moderate through Monday. && .AVIATION... (15Z TAFS) Issued at 949 AM EST Wed Dec 10 2025 MVFR ceilings expected to continue at KEYW through early afternoon, there may be brief periods of BKN becoming SCT, but overall MVFR will dominate. Northerly winds continue, becoming more NNW this afternoon. && .PREV DISCUSSION... Issued at 529 AM EST Wed Dec 10 2025 Surface and lower-tropospheric composite analysis places a broad quasistationary frontal boundary somewhere lurking in the vicinity of the the northern Straits of Florida. As expected, the focus of convective activity has been south of the frontal feature, mainly 20 to 50 nm offshore of the Island Chain. The 12z morning sounding at KEY sampled a very moist profile up to around 600 mb, coupled with decent directional veering. The forecast calls for one more day of unsettled conditions for the Florida Keys and adjacent marine zones, mainly south of the Island Chain. As the front finally glides eastward and away from the Keys, a much drier continental air mass will filter through the CWA, supporting low rain chances after this late evening. No changes proposed to the inherited full forecast package. && .MARINE... Issued at 529 AM EST Wed Dec 10 2025 Small Craft Should Exercise Caution headlines are posted for the offshore Gulf, including the Dry Tortugas, Hawk Channel, and the Straits of Florida. From synopsis, moderate to fresh north to northeast breezes are expected this afternoon, as a frontal boundary remains draped across the Straits of Florida. As the front slides eastward and away from the Florida Keys marine zones, breezes will slacken late tonight through Wednesday. A second weak front will push through the coastal waters late Wednesday and Wednesday night, with modestly freshened northwesterly breezes clocking around to the northeast to east for late week and into the weekend. && .KEY WATCHES/WARNINGS/ADVISORIES... FL...None. GM...None. && $$ Public/Marine/Fire...KEY Aviation/Nowcasts....JAX Data Acquisition.....KEY Visit us on the web at weather.gov/key Follow us on Facebook and Twitter at: www.facebook.com/nwskeywest www.twitter.com/nwskeywest