Area Forecast Discussion
Issued by NWS
FXUS62 KKEY 281859
Area Forecast Discussion
National Weather Service Key West FL
259 PM EDT Fri Apr 28 2017
KBYX detects no precipitation echoes in the forecast area. Skies
over the island chain are mostly clear. Winds over land are east
to southeast near 15 mph. C-MAN winds, on average, are east to
southeast near 15 knots. Temperatures are in the mid to upper 80s.
.SHORT TERM (Tonight through Sunday night)...
An Atlantic ridge of high pressure over North Florida will lift
northward tonight. This ridge of high pressure will extend across
the Southeastern United States Saturday through Sunday, before
shifting southward Sunday night. No more than dime POPs are needed
in the short term portion of the forecast at this time.
.LONG TERM (Monday through Friday)...
An Atlantic ridge of high pressure will extend across Central
Florida Monday through Wednesday. This ridge of high pressure will
retreat eastward Wednesday night. A cold front will progress
eastward through the Gulf of Mexico Thursday and Thursday night.
This cold front may approach the Florida Keys Friday. Rain chances
in the long term portion of the forecast should be highest
Thursday night and Friday well ahead of the approaching cold
A Small Craft Advisory will be in effect for the coastal waters
of the Atlantic and offshore Gulf of Mexico tonight due to
sustained east to southeast surface winds near 20 knots. A Small
Craft Advisory will likely be required for the coastal waters of
the Atlantic and offshore Gulf of Mexico Saturday. A Small Craft
Advisory may be required for the coastal waters of Florida Bay and
the nearshore Gulf of Mexico Saturday. A Small Craft Advisory will
likely be required for all Keys coastal waters Saturday night
through Sunday night. A Small Craft Advisory may be required for
the coastal waters of the Florida Straits Monday. No advisories
expected Monday night through Tuesday night. A Small Craft
Advisory may be required for the coastal waters of the Florida
Straits Wednesday and Wednesday night.
Brief MVFR ceilings are possible at MTH though mid afternoon,
otherwise VFR will prevail at EYW and MTH through this evening.
Temporary MVFR conditions with ceilings near 2,000 feet, and
possibly as low as 1,200 feet, may occur during the early to mid
morning hours given the moist and increasing east to southeast
winds. Surface winds 10 to 15 knots through the remainder of the
afternoon are expected to increase into the 12 to 17 knot range,
with frequent gusts close to or a little above 20 knots near
sunset, and continuing overnight.
On this date in Florida Keys weather history, in 1991, the low
temperature at Key West International Airport was 81 degrees. This
set the daily record for warmest minimum temperature measured in
Key West on April 28th, a record which still stands 26 years
later. In addition, this low temperature of 81 degrees is tied as
the warmest minimum temperature ever observed in Key West during
the month of April. Temperature records at Key West date back to
.PRELIMINARY POINT TEMPS/POPS...
Key West 79 85 79 85 / - - 10 10
Marathon 79 88 79 87 / - - 10 10
GM...Small Craft Advisory for GMZ033-034-042>044-052>055-072>075.
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