A strong low pressure system over the Ohio Valley and strong trailing cold front extending into the central Gulf of Mexico and associated pre-frontal trough approached the Florida Keys.  Strong thunderstorms along the pre-frontal trough and moving rapidly northeast off Cuba's north coast produce widespread gale-force wind gusts throughout the Florida Keys coastal waters.

Marine Thunderstorm Wind in GULF OF MEXICO INCLUDING DRY TORTUGAS AND REBECCA SHOAL CHANNEL, GULF OF MEXICO
From 24-MAY-17 16:29:00 to 24-MAY-17 16:29:00 (EST-5)
Location: DRY TORTUGAS LIGHT
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 Pulaski 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 24-MAY-17 17:50:00 to 24-MAY-17 17:50:00 (EST-5)
Location: SMITH SHOAL LIGHT
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 at Smith Shoal Light.

Marine Thunderstorm Wind in GULF OF MEXICO INCLUDING DRY TORTUGAS AND REBECCA SHOAL CHANNEL, GULF OF MEXICO
From 24-MAY-17 17:53:00 to 24-MAY-17 17:53:00 (EST-5)
Location: DRY TORTUGAS LIGHT
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A wind gust of 43 knots was measured at Pulaski 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 24-MAY-17 18:00:00 to 24-MAY-17 18:00:00 (EST-5)
Location: SMITH SHOAL 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 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 24-MAY-17 18:43:00 to 24-MAY-17 18:43:00 (EST-5)
Location: SUMMERLAND KEY
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 Citizen Weather Observing Program station at the south end of Cudjoe Bay.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 24-MAY-17 18:43:00 to 24-MAY-17 18:43:00 (EST-5)
Location: SUMMERLAND KEY
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 Citizen Weather Observing Program station at the south end of Cudjoe Bay.

Marine Thunderstorm Wind in HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL OUT TO THE REEF, GULF OF MEXICO
From 24-MAY-17 18:43:00 to 24-MAY-17 18:43:00 (EST-5)
Location: SUMMERLAND KEY
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 Citizen Weather Observing Program station at the south end of Cudjoe 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 24-MAY-17 19:25:00 to 24-MAY-17 19:25:00 (EST-5)
Location: KEY WEST
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 the U.S. Coast Guard Sector Key West.

Marine Thunderstorm Wind in BAYSIDE AND GULFSIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE, GULF OF MEXICO
From 24-MAY-17 19:33:00 to 24-MAY-17 19:33:00 (EST-5)
Location: LAYTON
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 Long Key Light.

Marine Thunderstorm Wind in FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND BUTTONWOOD SOUND, GULF OF MEXICO
From 24-MAY-17 19:56:00 to 24-MAY-17 19:56:00 (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 WeatherLink station along Florida Bay on Point Pleasant Drive, Key Largo.

Marine Thunderstorm Wind in HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF, GULF OF MEXICO
From 24-MAY-17 20:16:00 to 24-MAY-17 20:16:00 (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.