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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Key West FL
444 AM EDT Thu Oct 22 2020

FLZ076>078-GMZ031>035-042>044-052>055-072>075-230845-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
Bayside and Gulf side from Craig Key to west end of Seven Mile
Bridge-
Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out
and beyond 5 fathoms-
Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel-
Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon
Shoal out to 5 Fathoms-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge out 20 NM-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal out 20 NM-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
Straits of Florida from Craig Key to west end of Seven Mile
Bridge 20 to 60 NM out-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal 20 to 60 NM out-
Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
Tortugas 20 to 60 NM out-
444 AM EDT Thu Oct 22 2020

This Hazardous Weather Outlook is for the Florida Keys and
adjacent coastal waters.

.DAY ONE...TODAY AND TONIGHT

Isolated thunderstorms are possible along the Florida Keys and
the surrounding coastal waters through tonight. The primary
thunderstorm hazards will be cloud to surface lightning strikes.

Otherwise, the observed water levels will lie near to just above
Coastal Flood Statement and Coastal Flood Advisory thresholds for
the Middle and Upper Keys respectively for at least today. This
will result in minor saltwater flooding of low-lying lots and
roads for at least today.

And finally, A Small Craft Advisory is in effect this morning for
the outer waters of Mainland Monroe to the waters in and around
Dry Tortugas, Hawk Channel and the Straits of Florida today. For
tonight, The highest probability of a Small Craft Advisory will be
for the Straits of Florida and the outer waters of Mainland Monroe
to the waters in and around Dry Tortugas.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Isolated to scattered thunderstorms are anticipated along the
Florida Keys and the surrounding coastal waters, with the highest
chance for thunderstorms Saturday afternoon and Saturday night.

The primary thunderstorm hazards will be cloud to surface
lightning strikes, with the strongest thunderstorms perhaps
delivering wind gusts near 40 knots or even higher later Saturday
and Saturday night. Furthermore, episodes of heavy rain may result
in possible flooding along portions of the Florida Keys for the
first half of this weekend.

Meanwhile, saltwater flooding of low-lying lots and roads will
likely require a Coastal Flood Statement on Friday.

And finally, a Small Craft Advisory may be required for portions
of our coastal waters Friday and Friday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

$$

APA




Short Term Forecast

Short Term Forecast
National Weather Service Key West FL
812 PM EDT Thu Oct 22 2020

FLZ077-078-GMZ032-035-043-044-052>054-072>074-230115-
Monroe Middle Keys-Monroe Lower Keys-
Bayside and Gulf side from Craig Key to west end of Seven Mile
Bridge-
Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon Shoal
out to 5 Fathoms-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out to
the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Craig Key to west end of Seven Mile Bridge
out 20 NM-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
Straits of Florida from Craig Key to west end of Seven Mile Bridge
20 to 60 NM out-
Straits of Florida from west end of Seven Mile Bridge to south of
Halfmoon Shoal 20 to 60 NM out-
Including the Communities of Marathon and Key West
812 PM EDT Thu Oct 22 2020

.NOW...
Through 915 pm, isolated to scattered showers will affect the
Lower Keys and surrounding nearshore waters, and the eastern and
central Florida Straits in a line extending from south of the western
Lower Keys to near Elbow Cay. These showers are moving to the west
to northwest near 20 knots. Mariners may encounter wind gusts around
25 knots and moderate downpours.

Over land, moderate to heavy showers will affect the Lower Keys and
bring wind gusts up to 20 mph.

$$

NB



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