Area Forecast Discussion
Issued by NWS Key West, FL
Issued by NWS Key West, FL
250 FXUS62 KKEY 201428 AFDKEY Area Forecast Discussion National Weather Service Key West FL 928 AM EST Thu Nov 20 2025 ...New DISCUSSION, MARINE, AVIATION... .KEY MESSAGES... -Deep layered ridging will predominate through the weekend and into next week. -Surface ridging to our north will maintain gentle to moderate northeast to easterly breezes. -Temperatures will range near to slightly above normal. && .DISCUSSION... Issued at 930 AM EST Thu Nov 20 2025 Ridging continues to dominate the synoptic pattern for the Florida Keys. A series of inversions sprinkle the 12z morning sounding at KEY. CIMSS tropospheric-integrated precipitable water product highlights tremendous dry, modified continental air upstream filtering in steering northeasterlies. A persistence forecast is in play, with no changes needed to the inherited overnight full forecast package. && .MARINE... Issued at 930 AM EST Thu Nov 20 2025 No watches, warnings, or advisories are in effect for the Florida Keys coastal waters. From synopsis, a surface high will consolidate along the Atlantic coast over the next couple of days. This, along with diurnal influences, should result in slightly freshening northeast to easterly breezes this evening. Winds will slacken some through the remainder of the week as this high tilts eastward and lengthens out into the Atlantic. A new continental high will build as it drive eastward through the eastern United States early next week. This is expected to freshen easterly breezes. && .AVIATION... (15Z TAFS) Issued at 930 AM EST Thu Nov 20 2025 VFR conditions will prevail at both island terminals through the TAF period. Northeast to east near-surface winds will remain in the 5 to 10 knot range, with nil measurable rain chances. && .PRELIMINARY POINT TEMPS/POPS... Key West 82 73 81 73 / 0 0 0 0 Marathon 81 73 81 73 / 0 0 0 0 && .KEY WATCHES/WARNINGS/ADVISORIES... FL...None. GM...None. && $$ Public/Marine/Fire...BT Aviation/Nowcasts....BT Data Acquisition.....BT Visit us on the web at weather.gov/key Follow us on Facebook and Twitter at: www.facebook.com/nwskeywest www.twitter.com/nwskeywest