Area Forecast Discussion
Issued by NWS Key West, FL
Issued by NWS Key West, FL
738 FXUS62 KKEY 190354 AFDKEY Area Forecast Discussion National Weather Service Key West FL 1054 PM EST Tue Nov 18 2025 ...New DISCUSSION, MARINE, AVIATION... .KEY MESSAGES... -Northeasterly breezes freshening from gentle to moderate heading into Wednesday, which will allow temperatures to return to normal values. -Thick cloud cover from a weak low pressure system south of Cuba will linger through the overnight and dissipate on Wednesday. -Deep layers of dry air continue to inhibit shower development through the work week. && .DISCUSSION... Issued at 1054 PM EST Tue Nov 18 2025 KBYX has remained steady active for the offshore waters of the Florida Keys this evening. Scattered showers continue to move west to northwest at near 10 knots through the distant Straits producing moderate to heavy downpours. While no lightning in our CWA has been observed, a few lightning strikes have occurred just south of our warning area. Winds along the Reef have freshened to near 15 knots and the Straits are now under the Small Craft Should exercise caution headline. Overnight, elevated winds will continue due a high moving into the western Atlantic and building in strength, and scattered showers will remain in the offshore waters with only a slight chance of showers expected for the island chain. && .MARINE... Issued at 1054 PM EST Tue Nov 18 2025 Small Craft should exercise caution in the Straits of Florida. Elsewhere, no watches, warnings, or advisories are currently in effect for the Florida Keys. From synopsis, high pressure located over the eastern CONUS will slowly move into the western Atlantic tonight. The high will then slowly build and support freshening northeast to east breezes during the work week. Although the high will wax and wane at times, expect generally gentle to moderate breezes with occasional moderate to fresh breezes south of the island chain. && .AVIATION... (00Z TAFS) Issued at 1054 PM EST Tue Nov 18 2025 VFR conditions will prevail at both EYW and MTH. Thick overcast skies at around 5-6 kft will continue overnight through tomorrow morning before breaking apart. Shower activity will stay south of the island chain therefore no mention of VCSH at this time. Near surface winds will be northeasterly at near 10 knots. && .KEY WATCHES/WARNINGS/ADVISORIES... FL...None. GM...None. && $$ Public/Marine/Fire...AP Aviation/Nowcasts....AP Data Acquisition.....MC Visit us on the web at weather.gov/key Follow us on Facebook and Twitter at: www.facebook.com/nwskeywest www.twitter.com/nwskeywest