A pre-frontal squall line moved through the Florida Keys from west to east during the morning hours of April 30, 2023.  The surface low was near the Alabama-Georgia border with an attendant cold front extending southward through the eastern Gulf of Mexico.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 30-APR-23 07:54:00 to 30-APR-23 07:54:00 (EST-5)
Location: KEY WEST
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

A wind gust of 34 knots was measured at the NWS Weather Forecast Office Key West RSOIS.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 30-APR-23 07:29:00 to 30-APR-23 07:29:00 (EST-5)
Location: KEY WEST
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust of 34 knots was measured at Key West International Airport.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 30-APR-23 08:58:00 to 30-APR-23 08:58:00 (EST-5)
Location: KEY WEST
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

A wind gust of 35 knots was measured at the NWS Weather Forecast Office Key West RSOIS.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 30-APR-23 08:56:00 to 30-APR-23 08:56:00 (EST-5)
Location: KEY WEST
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust of 38 knots was measured at Key West International Airport.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 30-APR-23 09:02:00 to 30-APR-23 09:02:00 (EST-5)
Location: BIG COPPITT KEY
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust of 39 knots was measured at Naval Air Station Key West Boca Chica Field.

Marine Thunderstorm Wind in BAYSIDE AND GULFSIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE, GULF OF MEXICO
From 30-APR-23 10:50:00 to 30-APR-23 10:50:00 (EST-5)
Location: LAYTON
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 34 knots was measured at Long Key Light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 30-APR-23 11:07:00 to 30-APR-23 11:07:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 37 knots was measured by a WeatherFlow automated station at Carysfort Reef Light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 30-APR-23 11:17:00 to 30-APR-23 11:17:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 38 knots was measured by a WeatherFlow automated station at Carysfort Reef Light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 30-APR-23 11:16:00 to 30-APR-23 11:16:00 (EST-5)
Location: ALLIGATOR REEF LIGHT
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 34 knots was measured by a WeatherFlow automated station at Alligator Reef Light.