Numerous gale-force marine thunderstorm wind gusts were observed throughout the Florida Keys coastal waters as a pre-frontal squall line swept through the island chain from northwest to southeast.  The strongest wind gusts were observed over Gulf of Mexico waters northwest of Key West.

Marine Thunderstorm Wind in GULF OF MEXICO FROM EAST CAPE SABLE TO CHOKOLOSKEE 20 TO 60 NM OUT AND BEYOND 5 FATHOMS, GULF OF MEXICO
From 12-MAR-22 15:31:00 to 12-MAR-22 15:31:00 (EST-5)
Location: SMITH SHOAL LIGHT
Magnitude: 46.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 46 knots was observed at the WeatherFlow station at Smith Shoal Light.

Marine Thunderstorm Wind in GULF OF MEXICO FROM EAST CAPE SABLE TO CHOKOLOSKEE 20 TO 60 NM OUT AND BEYOND 5 FATHOMS, GULF OF MEXICO
From 12-MAR-22 14:01:00 to 12-MAR-22 14:01:00 (EST-5)
Location: SMITH SHOAL LIGHT
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 58 knots was observed by a WeatherFlow station at Smith Shoal Light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 12-MAR-22 14:27:00 to 12-MAR-22 14:27:00 (EST-5)
Location: KEY WEST
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

A wind gust of 36 knots was observed by the RSOIS at the National Weather Service Forecast Office in Key West.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 12-MAR-22 14:28:00 to 12-MAR-22 14:28:00 (EST-5)
Location: KEY WEST
Magnitude: 47.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust of 47 knots was observed by the ASOS at Key West International Airport.

Marine Thunderstorm Wind in GULF OF MEXICO FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO 5 FATHOMS, GULF OF MEXICO
From 12-MAR-22 14:28:00 to 12-MAR-22 14:28:00 (EST-5)
Location: KEY WEST
Magnitude: 44.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 44 knots was observed by the WeatherFlow station at the U.S. Coast Guard Sector Key West.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 12-MAR-22 14:36:00 to 12-MAR-22 14:36:00 (EST-5)
Location: BIG COPPITT KEY
Magnitude: 45.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust of 45 knots was observed by the ASOS at the Naval Air Station Key West Boca Chica Field.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 12-MAR-22 14:53:00 to 12-MAR-22 14:53:00 (EST-5)
Location: SUMMERLAND KEY
Magnitude: 45.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 45 knots was measured at a Citizens Weather Observing Program station at the south end of Cudjoe Bay.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 12-MAR-22 15:19:00 to 12-MAR-22 15:19:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 40 knots was observed by the WeatherFlow station at Carysfort Reef Light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 12-MAR-22 14:30:00 to 12-MAR-22 14:30:00 (EST-5)
Location: SAND KEY LIGHT
Magnitude: 45.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 45 knots was observed at the new Sand Key navigation light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE OUT TO THE REEF, GULF OF MEXICO
From 12-MAR-22 15:10:00 to 12-MAR-22 15:10:00 (EST-5)
Location: SOMBRERO KEY LIGHT
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 40 knots was observed at the new Sombrero Key navigation light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 12-MAR-22 15:22:00 to 12-MAR-22 15:22:00 (EST-5)
Location: ALLIGATOR REEF LIGHT
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 37 knots was observed at the WeatherFlow station at Alligator Reef Light.