A tropical wave moved slowly westward over the Florida Keys and Straits of Florida. East of the wave axis, numerous showers and thunderstorms developed, producing several rounds of outflow-enhanced gale-force wind gusts over the Florida Keys coastal waters from the evening of August 19th through the early morning hours of August 21st.

Marine Thunderstorm Wind in BAYSIDE AND GULFSIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE, GULF OF MEXICO
From 19-AUG-23 19:45:00 to 19-AUG-23 19:45:00 (EST-5)
Location: LAYTON
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

An east southeast wind gust of 34 knots was measured at Long Key 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 20-AUG-23 11:37:00 to 20-AUG-23 11:37:00 (EST-5)
Location: KEY WEST
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A south wind gust of 35 knots was measured at Key West International Airport.

Marine Thunderstorm Wind in HAWK CHANNEL FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE OUT TO THE REEF, GULF OF MEXICO
From 20-AUG-23 11:20:00 to 20-AUG-23 11:20:00 (EST-5)
Location: SOMBRERO KEY LIGHT
Magnitude: 48.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A southeast wind gust of 48 knots was measured at the navigational light at Sombrero Key.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 20-AUG-23 11:35:00 to 20-AUG-23 11:35:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 44.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

An east southeast wind gust of 44 knots was measured at the Ocean Reef Club 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 20-AUG-23 23:10:00 to 20-AUG-23 23:10:00 (EST-5)
Location: SAND KEY LIGHT
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

An east southeast wind gust of 34 knots was measured at the navigational light at Sand Key.

Marine Thunderstorm Wind in HAWK CHANNEL FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE OUT TO THE REEF, GULF OF MEXICO
From 21-AUG-23 00:50:00 to 21-AUG-23 00:50:00 (EST-5)
Location: SOMBRERO KEY LIGHT
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

An east southeast wind gust of 34 knots was measured at the navigational light at Sombrero Key.

Waterspout in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 19-AUG-23 16:23:00 to 19-AUG-23 16:23:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A waterspout was observed southeast of Key Largo.  The condensation funnel extended one-fourth the way down from cloud base.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 19-AUG-23 21:21:00 to 19-AUG-23 21:21:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A south southeast wind gust of 39 knots was measured by a 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 20-AUG-23 10:52:00 to 20-AUG-23 10:52:00 (EST-5)
Location: KEY WEST
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

A south southeast wind gust of 41 knots was measured by the RSOIS at the National Weather Service Forecast Office in Key West, Florida.

Marine Thunderstorm Wind in HAWK CHANNEL FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE OUT TO THE REEF, GULF OF MEXICO
From 20-AUG-23 10:50:00 to 20-AUG-23 10:50:00 (EST-5)
Location: SOMBRERO KEY LIGHT
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A southeast wind gust of 37 knots was measured at the navigational light at Sombrero Key.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 20-AUG-23 12:41:00 to 20-AUG-23 12:41:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A southeast wind gust of 42 knots was measured by a WeatherFlow 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 20-AUG-23 05:36:00 to 20-AUG-23 05:36:00 (EST-5)
Location: ALLIGATOR REEF LIGHT
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A south southeast wind gust of 36 knots was measured by a WeatherFlow station at Alligator Reef Light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 20-AUG-23 10:06:00 to 20-AUG-23 10:06:00 (EST-5)
Location: ALLIGATOR REEF LIGHT
Magnitude: 44.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An east southeast wind gust of 44 knots was measured by a WeatherFlow station at Alligator Reef 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 20-AUG-23 11:08:00 to 20-AUG-23 11:08:00 (EST-5)
Location: DUCK KEY
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A southeast wind gust of 39 knots was measured at a WeatherSTEM station on Duck Key.

Marine Thunderstorm Wind in BAYSIDE AND GULFSIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE, GULF OF MEXICO
From 20-AUG-23 10:30:00 to 20-AUG-23 10:30:00 (EST-5)
Location: LAYTON
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

An east southeast wind gust of 35 knots was measured at Long Key Light.