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Hazardous Weather Outlook for South Florida
National Weather Service Miami FL
402 AM EDT Thu May 13 2021

AMZ610-630-650-651-670-671-FLZ063-066>075-168-172>174-GMZ656-657-676-
132015-
Lake Okeechobee-Biscayne Bay-
Coastal waters from Jupiter Inlet to Deerfield Beach FL out 20 NM-
Coastal waters from Deerfield Beach to Ocean Reef FL out 20 NM-
Waters from Jupiter Inlet to Deerfield Beach FL from 20 to 60 NM-
Waters from Deerfield Beach to Ocean Reef FL from 20 to 60 NM
excluding the territorial waters of Bahamas-Glades-Hendry-
Inland Palm Beach-Metro Palm Beach-Coastal Collier-Inland Collier-
Inland Broward-Metro Broward-Inland Miami-Dade-Metro Miami-Dade-
Mainland Monroe-Coastal Palm Beach-Coastal Broward-Coastal Miami-
Dade-Far South Miami-Dade-
Coastal waters from Chokoloskee to Bonita Beach FL out 20 NM-
Coastal waters from East Cape Sable to Chokoloskee FL out 20 NM-
Waters from Chokoloskee to Bonita Beach FL from 20 to 60 NM-
402 AM EDT Thu May 13 2021

...A Strong T`storm or Two Possible Today...
...Localized Flooding Possible Atlantic Metro...
...Rip Currents Increase Along Atlantic Beaches This Weekend...

This hazardous weather outlook is for South Florida.

.DAY ONE...TODAY AND TONIGHT

Thunderstorms: Thunderstorms are possible today, especially along the
east coast and Lake Okeechobee region. The main hazards are gusty
wind, lightning, and urban flooding.

Wind: Thunderstorm wind gusts up to 45 to 50 mph are possible in the
strongest activity.

Flooding: Localized urban flooding will be possible across the east
coast metro areas.

Waterspouts: Isolated waterspouts are possible across much of
adjacent South Florida waters and Lake Okeechobee.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

Thunderstorms and heavy rain is possible again on Friday, especially
south of Alligator Alley and Atlantic metro.

Hazardous marine conditions possible, especially across the Atlantic
waters this weekend into the start of the next workweek.

An elevated risk of rip currents expected along the Atlantic coast as
a northeasterly swell builds and easterly wind increase this weekend
into next week.

.SPOTTER INFORMATION STATEMENT...

Widespread spotter activation is not anticipated, however,
individual spotters are encouraged to report high winds, hail, and
flooding to the National Weather Service Forecast Office in Miami.

For more information...visit the National Weather Service in
Miami website at www.weather.gov/miami.

$$

Hazardous Weather Outlook
National Weather Service Melbourne FL
436 AM EDT Thu May 13 2021

AMZ550-552-555-570-572-575-FLZ041-044>047-053-054-058-059-064-141-
144-147-132100-
Flagler Beach to Volusia-Brevard County Line 0-20 nm-Volusia-
Brevard County Line to Sebastian Inlet 0-20 nm-
Sebastian Inlet to Jupiter Inlet 0-20 nm-Flagler Beach to Volusia-
Brevard County Line 20-60 nm-Volusia-
Brevard County Line to Sebastian Inlet 20-60 nm-
Sebastian Inlet to Jupiter Inlet 20-60 nm-Inland Volusia-
Northern Lake-Orange-Seminole-Southern Brevard-Osceola-
Indian River-Okeechobee-St. Lucie-Martin-Coastal Volusia-
Southern Lake-Northern Brevard-
436 AM EDT Thu May 13 2021

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

.THUNDERSTORM IMPACT...
A few lightning strikes will be possible from late this morning
into the afternoon as an upper level disturbance transits the
region. A few storms which may develop will be capable of
producing briefly heavy rain along with winds gusts of 30 to 40
mph as they move toward the east at 15 to 20 mph.

.MARINE THUNDERSTORM GUST IMPACT...
A few storms moving offshore from the mainland mainly south of
Cape Canaveral will be capable of wind gusts of around 35 knots
from around midday through the afternoon.

.WIND AND SEA IMPACT...
A surge of North winds will begin to arrive this morning over
coastal Volusia Co and the outer waters. This surge will move
across all the local waters by mid-afternoon producing higher
winds and seas. A Small Craft Advisory will be in effect by mid-
morning well offshore north of Sebastian Inlet. Elsewhere, small
craft should exercise caution.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
Large northeast swells will produce a moderate to high risk of
rip currents and rough surf at area beaches as well as hazardous
boating conditions Friday and continuing through the weekend.

.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today and tonight.

$$

Pendergrast

Hazardous Weather Outlook
National Weather Service Key West FL
422 AM EDT Thu May 13 2021

FLZ076>078-GMZ031>035-042>044-052>055-072>075-140830-
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-
422 AM EDT Thu May 13 2021

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

.DAY ONE...TODAY AND TONIGHT

Conditions are favorable for a cloud line could develop later
this morning. In addition, light and variable flow may support
waterspouts with said cloud lines.

Otherwise, isolated thunderstorms will be possible this
afternoon, especially across the Upper Keys as convection comes
off the mainland. The primary hazards will be lightning strikes
and locally gusty winds.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
Isolated thunderstorms will be possible Friday through Saturday.
The primary hazards will be lightning strikes and locally gusty
winds.

A Small Craft Advisory may be required for most or all of the Keys
coastal waters from Saturday night through Monday night, due to
east winds near 20 knots, and seas building to 7 feet in the
Florida Straits.

Otherwise, no hazardous weather is expected at this time.


.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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