WHUS72 KKEY 202024

MWWKEY



URGENT - MARINE WEATHER MESSAGE

National Weather Service Key West FL

424 PM EDT Fri Mar 20 2026



GMZ031>035-042>044-202130-

/O.CAN.KKEY.SC.Y.0011.000000T0000Z-260321T0000Z/

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-

424 PM EDT Fri Mar 20 2026



...SMALL CRAFT ADVISORY IS CANCELLED...



Winds have decreased and seas have subsided below Small Craft

Advisory levels. Therefore, the Small Craft Advisory has been 

cancelled. However, small craft should continue to exercise 

caution until winds decrease later this evening for the Florida

Bay, Bayside and Gulfside waters, and Hawk Channel.



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GMZ052>055-072>075-210430-

/O.EXT.KKEY.SC.Y.0011.000000T0000Z-260321T0900Z/

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-

424 PM EDT Fri Mar 20 2026



...SMALL CRAFT ADVISORY IN EFFECT...



* WHAT...North to northeast winds near 20 knots, and seas up to 8

  feet in the Straits of Florida.



* WHERE...Straits of Florida.



* 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.



&&



$$