Numerous gale-force wind gusts were recorded in association with showers and thunderstorms as a tropical wave moved slowly west through the Florida Keys.  The tropical wave became amplified due to a middle-to-upper level trough of low pressure progressing westward in advance.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 26-AUG-21 02:15:00 to 26-AUG-21 02:15:00 (EST-5)
Location: PLANTATION KEY
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mariner

A wind gust of 36 knots was measured at residential Tempest weather station along the Old Highway on Plantation Key.

Marine Thunderstorm Wind in FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND BUTTONWOOD SOUND, GULF OF MEXICO
From 26-AUG-21 01:15:00 to 26-AUG-21 03:10:00 (EST-5)
Location: PLANTATION KEY
Magnitude: 45.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated residential Tempest weather station measured several wind gusts in the range of 37 to 45 knots.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 25-AUG-21 04:45:00 to 25-AUG-21 04:45:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An east-southeast wind gust of 37 knots was measured by an automated 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 25-AUG-21 05:05:00 to 25-AUG-21 05:05:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An east-southeast wind gust of 37 knots was measured by an automated 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 25-AUG-21 05:17:00 to 25-AUG-21 05:17:00 (EST-5)
Location: ALLIGATOR REEF LIGHT
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An east-northeast wind gust of 40 knots was measured by an automated WeatherFlow station at Alligator Reef Light.

Marine Thunderstorm Wind in BAYSIDE AND GULFSIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE, GULF OF MEXICO
From 25-AUG-21 05:50:00 to 25-AUG-21 05:50:00 (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 CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE OUT TO THE REEF, GULF OF MEXICO
From 25-AUG-21 06:10:00 to 25-AUG-21 06:10:00 (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 wind gust of 34 knots was measured at the new Sombrero Key Light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 25-AUG-21 09:40:00 to 25-AUG-21 09:40:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An east-northeast sustained wind of 33 knots with gusts to 42 knots were measured by an automated 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 25-AUG-21 10:10:00 to 25-AUG-21 10:10:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An east-northeast wind gust of 38 knots was measured by an automated 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 25-AUG-21 10:22:00 to 25-AUG-21 10:22:00 (EST-5)
Location: ALLIGATOR REEF LIGHT
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A northeast wind gust of 40 knots was measured by an automated 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 25-AUG-21 10:47:00 to 25-AUG-21 10:47:00 (EST-5)
Location: ALLIGATOR REEF LIGHT
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A northeast wind gust of 41 knots was measured by an automated 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 25-AUG-21 11:20:00 to 25-AUG-21 11:20:00 (EST-5)
Location: SOMBRERO KEY LIGHT
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

An east-northeast wind gust of 36 knots was measured at the new Sombrero Key Light.

Marine Thunderstorm Wind in BAYSIDE AND GULFSIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE, GULF OF MEXICO
From 25-AUG-21 11:04:00 to 25-AUG-21 11:04:00 (EST-5)
Location: MARATHON
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

An east-northeast wind gust of 34 knots was measured at the Florida Keys Marathon International Airport.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 25-AUG-21 16:55:00 to 25-AUG-21 16:55:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An east-northeast wind gust of 40 knots was measured by an automated WeatherFlow station at Carysfort 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 25-AUG-21 22:20:00 to 25-AUG-21 22:20:00 (EST-5)
Location: SOMBRERO KEY LIGHT
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

An east wind of 35 knots was measured at the new Sombrero 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 25-AUG-21 22:55:00 to 25-AUG-21 22:55:00 (EST-5)
Location: BIG COPPITT KEY
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

An east wind gust of 34 knots was measured at the Naval Air Station Key West Boca Chica Field.

Marine Thunderstorm Wind in HAWK CHANNEL FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE OUT TO THE REEF, GULF OF MEXICO
From 25-AUG-21 23:46:00 to 25-AUG-21 23:46:00 (EST-5)
Location: DUCK KEY
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An east-southeast wind gust of 37 knots was measured by an automated WeatherFlow station at Crawl Key.

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 25-AUG-21 23:46:00 to 25-AUG-21 23:46:00 (EST-5)
Location: SMITH SHOAL LIGHT
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An east-southeast wind gust of 36 knots was measured by an automated WeatherFlow station at Smith Shoal Light.

Marine Thunderstorm Wind in BAYSIDE AND GULFSIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE, GULF OF MEXICO
From 26-AUG-21 00:00:00 to 26-AUG-21 00:00:00 (EST-5)
Location: LAYTON
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 37 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 26-AUG-21 02:50:00 to 26-AUG-21 02:50:00 (EST-5)
Location: SAND 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 new Sand Key Light.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 26-AUG-21 03:30:00 to 26-AUG-21 03:30:00 (EST-5)
Location: PLANTATION KEY
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 35 knots was measured at an automated Tempest residential weather station along the Old Highway on Plantation Key.