A slowly-evolving deep trough of low pressure and attendant surface low pressure in the eastern Gulf of Mexico produced a prolonged episode of showers and thunderstorms throughout the Florida Keys.  Scattered gale-force wind gusts in association with the stronger thunderstorms occurred in periodic events spanning a 36-hour period.

Waterspout in GULF OF MEXICO FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO 5 FATHOMS, GULF OF MEXICO
From 24-MAY-20 17:15:00 to 24-MAY-20 17:15:00 (EST-5)
Location: BIG PINE KEY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A waterspout was observed northwest of Big Pine Key.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 24-MAY-20 16:02:00 to 24-MAY-20 16:02:00 (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 at 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-MAY-20 06:32:00 to 25-MAY-20 06:32:00 (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 measured at 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-MAY-20 10:47:00 to 25-MAY-20 10:47:00 (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 at 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-MAY-20 12:12:00 to 25-MAY-20 12:12:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 36 knots was measured at 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-MAY-20 22:40:00 to 25-MAY-20 22:40:00 (EST-5)
Location: ALLIGATOR REEF LIGHT
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 41 knots was measured at 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 26-MAY-20 03:12:00 to 26-MAY-20 03:12:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 36 knots was measured at 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 26-MAY-20 04:32:00 to 26-MAY-20 04:32:00 (EST-5)
Location: CARYSFORT 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 at an automated WeatherFlow station at Carysfort Reef Light.