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Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Key West FL
437 AM EDT Tue Apr 21 2026

GMZ031>035-042>044-052>055-072>075-211500-
/O.CON.KKEY.SC.Y.0017.000000T0000Z-260422T1000Z/
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
Bayside and Gulfside from Craig Key to west end of Seven Mile
Bridge-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
Gulf of America 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-
437 AM EDT Tue Apr 21 2026

...SMALL CRAFT ADVISORY IN EFFECT...

* WHAT...Northeast winds 20 to 25 kt, becoming northeast to east
  and increasing to near 25 kt. Gusts up to 30 kt. Seas 7 to 11 ft
  in the Straits of Florida.

* WHERE...Straits of Florida, Hawk Channel, Gulf waters
  including the Dry Tortugas, and Florida Bay.

* WHEN...In Effect.

* IMPACTS...A Small Craft Advisory means that wind speeds of 20
  to 33 knots, or seas of 7 feet or greater, are expected to
  produce hazardous conditions for small craft. These hazardous
  conditions may result in poor vessel handling and steering
  response, broaching, overturned dinghies and kayaks, slips and
  falls on slippery decks, rub damage along docks and seawalls,
  swamped bows at reef tract mooring balls, and dragging anchors.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced boaters, especially those with smaller vessels,
should avoid operating in these conditions.

&&

$$

MJV
URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
210 AM EDT Tue Apr 21 2026

AMZ630-212000-
/O.CON.KMFL.SC.Y.0019.000000T0000Z-260422T1500Z/
Biscayne Bay-
210 AM EDT Tue Apr 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT
WEDNESDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt and
  rough bay waters.

* WHERE...Biscayne Bay.

* WHEN...From 8 PM this evening to 11 AM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
210 AM EDT Tue Apr 21 2026

AMZ650-651-670-671-212000-
/O.CON.KMFL.SC.Y.0019.000000T0000Z-260422T1500Z/
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-
210 AM EDT Tue Apr 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT
WEDNESDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt and
  seas 7 to 10 ft.

* WHERE...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 and Waters from Deerfield Beach to
  Ocean Reef FL from 20 to 60 NM excluding the territorial
  waters of Bahamas.

* WHEN...Until 11 AM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Miami FL
210 AM EDT Tue Apr 21 2026

GMZ656-657-676-212000-
/O.CON.KMFL.SC.Y.0019.000000T0000Z-260422T1200Z/
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-
210 AM EDT Tue Apr 21 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
WEDNESDAY...

* WHAT...Northeast winds 20 to 25 kt with gusts up to 30 kt.

* WHERE...Coastal waters from Chokoloskee to Bonita Beach FL out
  20 NM, Coastal waters from East Cape Sable to Chokoloskee FL
  out 20 NM and Waters from Chokoloskee to Bonita Beach FL from
  20 to 60 NM.

* WHEN...Until 8 AM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Tampa Bay Ruskin FL
149 PM EDT Mon Apr 20 2026

GMZ836-856-876-221200-
/O.EXT.KTBW.SC.Y.0014.260420T2200Z-260422T1200Z/
Charlotte Harbor and Pine Island Sound-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
149 PM EDT Mon Apr 20 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 6 PM THIS EVENING TO
8 AM EDT WEDNESDAY...

* WHAT...Northeast winds 15 to 25 knots and seas 6 to 9 feet
  expected.

* WHERE...Charlotte Harbor and Pine Island Sound, Coastal waters
  from Bonita Beach to Englewood FL out 20 NM and Waters from
  Bonita Beach to Englewood FL out 20 to 60 NM.

* WHEN...From 6 PM this evening to 8 AM EDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

Rip Current Statement

Coastal Hazard Message
National Weather Service Miami FL
209 AM EDT Tue Apr 21 2026

FLZ172-173-212000-
/O.CON.KMFL.RP.S.0020.000000T0000Z-260422T1500Z/
Coastal Broward County-Coastal Miami Dade County-
209 AM EDT Tue Apr 21 2026

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH WEDNESDAY
MORNING...

* WHAT...Dangerous rip currents.

* WHERE...Coastal Broward County and Coastal Miami Dade County.

* WHEN...Through Wednesday morning.

* IMPACTS...Rip currents can sweep even the best swimmers away
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don`t swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

Fire Weather Watch

URGENT - FIRE WEATHER MESSAGE
National Weather Service Miami FL
310 AM EDT Tue Apr 21 2026

FLZ069-163-166-170-263-266-270-370-211800-
/O.CON.KMFL.FW.A.0002.260421T1500Z-260422T0000Z/
Coastal Collier County-Glades County Lake Region-
Hendry County Lakes Region-Big Cypress-Glades County-
Hendry County-Northern Collier-Southwest Collier-
310 AM EDT Tue Apr 21 2026

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM 11 AM EDT THIS
MORNING THROUGH THIS EVENING...

* AFFECTED AREA...Fire Weather Zone 069 Coastal Collier County,
  Fire Weather Zone 163 Glades County Lake Region, Fire Weather
  Zone 166 Hendry County Lakes Region, Fire Weather Zone 170 Big
  Cypress, Fire Weather Zone 263 Glades County, Fire Weather
  Zone 266 Hendry County, Fire Weather Zone 270 Northern Collier
  and Fire Weather Zone 370 Southwest Collier.

* TIMING...From 11 AM EDT this morning through this evening.

* WINDS...Northeast 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...As low as 34 percent.

* TEMPERATURES...Up to 83.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$

Short Term Forecast

Short Term Forecast
National Weather Service Key West FL
547 AM EDT Tue Apr 21 2026

FLZ076-077-GMZ031-032-042>044-053-054-073-074-211100-
Monroe Upper Keys-Monroe Middle Keys-
Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood
Sound-
Bayside and Gulfside from Craig Key to west end of Seven Mile Bridge-
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 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 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 Key Largo and Marathon
547 AM EDT Tue Apr 21 2026

.NOW...
Through 700 am, scattered showers across the Straits of Florida and
Florida Bay will continue moving to the south to southwest between 10
to 15 knots. Occasionally, a couple of these showers may move across
the Middle and Upper Keys. Mariners can expect wind gusts 20 to 25
knots, heavy downpours, and reduced visibility.

$$

MJV
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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