A westward-moving tropical wave produced several rounds of showers and thunderstorms with gale-force wind gusts.  The strongest wind gusts initially reached the Upper Florida Keys coastal waters late evening on September 14th and the early morning hours of the 15th, then spread throughout the Lower Florida Keys coastal waters during the afternoon of the 15th.

Marine Thunderstorm Wind in Hawk Channel From Ocean Reef To Craig Key Out To The Reef, GULF OF MEXICO
From 14-SEP-15 18:56:00 to 14-SEP-15 18:56:00 (EST-5)
Location: MOLASSES REEF LIGHT
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 35 knots was measured at Molasses Reef Light.

Marine Thunderstorm Wind in Hawk Channel From Ocean Reef To Craig Key Out To The Reef, GULF OF MEXICO
From 15-SEP-15 07:37:00 to 15-SEP-15 07:37:00 (EST-5)
Location: MOLASSES REEF LIGHT
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 40 knots was measured at Molasses Reef Light.

Marine Thunderstorm Wind in Hawk Channel From Ocean Reef To Craig Key Out To The Reef, GULF OF MEXICO
From 15-SEP-15 09:43:00 to 15-SEP-15 09:43:00 (EST-5)
Location: MOLASSES REEF LIGHT
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 36 knots was measured at Molasses Reef Light.

Marine Thunderstorm Wind in Florida Bay, GULF OF MEXICO
From 15-SEP-15 09:57:00 to 15-SEP-15 09:57:00 (EST-5)
Location: PLANTATION KEY
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 41 knots was measured at a Citizen Weather Observing Program automated station at the Islamorada Bernard Russell Fire Station on Upper Matecumbe Key.

Marine Thunderstorm Wind in Florida Bay, GULF OF MEXICO
From 15-SEP-15 10:00:00 to 15-SEP-15 10:00:00 (EST-5)
Location: PLANTATION KEY
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 37 knots was measured at an automated WeatherFlow station on Upper Matecumbe Key.

Marine Thunderstorm Wind in Hawk Channel From Ocean Reef To Craig Key Out To The Reef, GULF OF MEXICO
From 15-SEP-15 07:42:00 to 15-SEP-15 07:42:00 (EST-5)
Location: KEY LARGO
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 in South Key Largo.

Marine Thunderstorm Wind in Gulf Side of the Lower Keys out 20nm, GULF OF MEXICO
From 15-SEP-15 10:54:00 to 15-SEP-15 10:54:00 (EST-5)
Location: FLAMINGO
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 43 knots was measured at a University of South Florida COMPS station in northwest Florida Bay.

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 15-SEP-15 12:02:00 to 15-SEP-15 12:02:00 (EST-5)
Location: SMITH SHOAL 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 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 15-SEP-15 17:59:00 to 15-SEP-15 17:59:00 (EST-5)
Location: BIG COPPITT KEY
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust of 36 knots was measured in association with a passing rain squall at the Naval Air Station Key West at Boca Chica Field.

Marine Thunderstorm Wind in Hawk Channel From West End Of Seven Mile Bridge To Halfmoon Shoal Out To The Reef, GULF OF MEXICO
From 15-SEP-15 18:02:00 to 15-SEP-15 18:02:00 (EST-5)
Location: KEY WEST
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust of 35 knots was measured during a passing rain squall at Key West International Airport.

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 15-SEP-15 18:42:00 to 15-SEP-15 18:42:00 (EST-5)
Location: SMITH SHOAL 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 Smith Shoal Light.

Marine Thunderstorm Wind in Florida Bay, GULF OF MEXICO
From 16-SEP-15 03:35:00 to 16-SEP-15 03:35:00 (EST-5)
Location: PLANTATION KEY
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 on Upper Matecumbe Key.