Area Forecast Discussion
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000
FXUS62 KKEY 271758
AFDKEY

Area Forecast Discussion
National Weather Service Key West FL
158 PM EDT Sun May 27 2018

.DISCUSSION...
.CURRENTLY...
KBYX detects scattered showers and widely separated thunderstorms
throughout the forecast area. Skies over the island chain are
variably cloudy. Winds over land are south to southwest near 20
mph. C-MAN winds, on average, are south at 20 to 25 knots.
Temperatures are in the mid 80s.

.SHORT TERM (Tonight through Tuesday night)...
Subtropical Storm Alberto will progress northward through the
eastern and northern Gulf of Mexico tonight. This subtropical
storm will approach the northern Gulf coast late tonight or Monday
morning. An Atlantic ridge of high pressure will build across
South Florida Monday afternoon through Tuesday night. The short
term portion of the forecast will feature gradually decreasing
rain chances.

&&

.LONG TERM (Wednesday through Sunday)...
An Atlantic ridge of high pressure will extend across South
Florida Wednesday. This ridge of high pressure will lift northward
Wednesday night. An Atlantic ridge of high pressure will extend
across North Florida Thursday, before shifting southward Thursday
night through Sunday. Rain chances in the long term portion of the
forecast will be highest Wednesday and Wednesday night.

&&

.MARINE...
A Small Craft Advisory is in effect for all Keys coastal waters
tonight due to sustained south winds of 20 to 25 knots. A Small
Craft Advisory will likely be required for all Keys coastal waters
Monday and Monday night. A Small Craft Advisory will likely be
required for the coastal waters of the Gulf of Mexico and Atlantic
Tuesday morning. A Small Craft Advisory may be required for the
coastal waters of Florida Bay Tuesday morning. A Small Craft
Advisory may be required for the coastal waters of the Florida
Straits Tuesday afternoon and Tuesday night. No advisories
expected Wednesday through at least Friday night.

&&

.AVIATION...
IFR conditions are likely at MTH this afternoon. IFR conditions
are likely at EYW and MTH tonight. MVFR or lower conditions are
conceivable at EYW and MTH Monday morning. This possibility is not
great enough to place in the terminal forecasts at this time.
Sustained south winds of 20 to 25 knots expected from just off the
surface to about 3,000 feet.

&&

.PRELIMINARY POINT TEMPS/POPS...
Key West  76 83 76 84 / 80 70 70 60
Marathon  76 85 76 86 / 80 70 70 60

&&

.KEY WATCHES/WARNINGS/ADVISORIES...
FL...None.
GM...Small Craft Advisory for GMZ031>035-042>044-052>055-072>075.

&&

$$

Public/Marine/Fire...BS
Aviation/Nowcasts....MCLOVIN
Data Collection......BT

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