Area Forecast Discussion
Issued by NWS Key West, FL

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
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