


Area Forecast Discussion
Issued by NWS Key West, FL
Issued by NWS Key West, FL
832 FXUS62 KKEY 200822 AFDKEY Area Forecast Discussion National Weather Service Key West FL 422 AM EDT Sun Apr 20 2025 ...New DISCUSSION, MARINE, AVIATION... .DISCUSSION... Issued at 422 AM EDT Sun Apr 20 2025 The main theme of the night continues to be the wind as we head into Easter Sunday for those that celebrate. KBYX radar remains quiet for the most part, though, a few radar returns have recently begun to show up indicating perhaps some sprinkles out there this morning. GOES East Nighttime Microphysics shows mostly low level cumulus and stratocumulus migrating from east to west across the Florida Keys. Temperatures along the Island Chain are in the mid 70s with dew points in the mid to upper 60s. Deep mean layer ridging remains anchored off the Southeast U.S. coastline this morning. This is leading to marine platforms around the Keys observing mainly easterly breezes near 20 knots and Island Chain communities observing near 20 mph. .FORECAST... Deep mean layer ridging off the Southeast United States coastline is expected to sit and meander for the next several days. This will lend to similar weather conditions through the period. Temperatures will remain fairly constant with daytime highs in the lower 80s with the potential for some mid 80 degree readings and overnight lows in the mid 70s. Dew points will also remain quite steady in the mid 60s for the next several days. The main sensible weather concern will be the wind. Windy conditions are expected to continue through a decent portion of today before slackening slightly while remaining easterly. Breezy conditions are expected to continue overnight through at least early Monday with winds slightly shifting to east to southeasterly. The shift to east to southeasterly will be short-lived before mainly easterly winds resume. The strength of the high will ebb and flow throughout the week which will lead to breezy conditions at times. Regarding moisture, guidance shows a fair amount of dry air through at least mid week with a slight increase in moisture for mid to late week and into next weekend. Right now, 10% remains advertised for Thursday through Saturday. && .MARINE... Issued at 422 AM EDT Sun Apr 20 2025 A Small Craft Advisory remains in effect across the Florida Keys coastal waters today. From synopsis, strong easterlies will remain in place through tonight, as expansive high pressure continues to dominate the synoptic pattern for the Florida Keys. As the high weakens, breezes will slacken beginning Monday, but marine hazard headlines will likely continue due to occasional fresh breezes. && .AVIATION... (06Z TAFS) Issued at 422 AM EDT Sun Apr 20 2025 VFR conditions prevail at both EYW and MTH through the 06Z TAF period. Near surface winds remain elevated at 15 to 20 knots with frequent gusts up to 25 knots. A slight decrease in winds is possible near the end of the TAF period, though, breezes will stay easterly. Expect persistent cloud cover throughout the day, but not below MVFR criteria. && .PRELIMINARY POINT TEMPS/POPS... Key West 82 75 82 75 / 0 0 0 0 Marathon 83 75 83 74 / 0 0 0 0 && .KEY WATCHES/WARNINGS/ADVISORIES... FL...None. GM...Small Craft Advisory until 5 PM EDT this afternoon for GMZ031>035-042>044-052>055-072>075. && $$ Public/Marine/Fire...MJV Aviation/Nowcasts....AJP Data Acquisition.....AJP Visit us on the web at weather.gov/key Follow us on Facebook and Twitter at: www.facebook.com/nwskeywest www.twitter.com/nwskeywest