A waterspout offshore the Lower Florida Keys was followed by scattered gale-force wind gusts in association with thunderstorms forming along a pre-frontal trough.  A cold front later passed through the Florida Keys.

Waterspout in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 28-OCT-21 17:00:00 to 28-OCT-21 17:10:00 (EST-5)
Location: AMERICAN SHOAL LIGHT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A waterspout was observed just offshore the Saddlebunch Keys.  A spray ring was visible.

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 28-OCT-21 22:56:00 to 28-OCT-21 22:56:00 (EST-5)
Location: SMITH SHOAL LIGHT
Magnitude: 46.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A southwest wind gust of 46 knots was recorded at a 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 29-OCT-21 00:46:00 to 29-OCT-21 00:46:00 (EST-5)
Location: SMITH SHOAL LIGHT
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A southwest wind gust of 41 knots was recorded at 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 29-OCT-21 01:37:00 to 29-OCT-21 01:37:00 (EST-5)
Location: KEY WEST
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

A west wind of 38 knots was recorded at the National Weather Service Florida Keys 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 29-OCT-21 01:45:00 to 29-OCT-21 01:45:00 (EST-5)
Location: BIG COPPITT KEY
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A west wind gust of 37 knots was recorded at the Naval Air Station Key West ASOS at the Boca Chica airfield.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 29-OCT-21 01:40:00 to 29-OCT-21 01:40:00 (EST-5)
Location: SAND KEY LIGHT
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A west wind gust of 40 knots was recorded 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 29-OCT-21 04:10:00 to 29-OCT-21 04:10:00 (EST-5)
Location: CARYSFORT REEF LIGHT
Magnitude: 46.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A west-southwest wind gust of 46 knots was recorded at a WeatherFlow station at Carysfort Reef Light.

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 29-OCT-21 01:30:00 to 29-OCT-21 01:30:00 (EST-5)
Location: KEY WEST
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

A west-northwest wind gust of 35 knots was recorded by the National Ocean Service station at the Key West Harbor.