A shortwave trough moving over the eastern Gulf of Mexico developed a mesoscale convective complex that moved through South Florida. Environmental parameters were favorable for the development of strong to severe storms, which produced a waterspout and gusty winds as they moved offshore into the Atlantic waters.

Marine Thunderstorm Wind in JUPITER INLET TO DEERFIELD BEACH FL OUT 20NM, ATLANTIC SOUTH
From 11-APR-21 14:33:00 to 11-APR-21 14:33:00 (EST-5)
Location: PORT OF PALM BEACH
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 49 mph (43 knots) was measured by CWOP Mesonet station EW1119 in Palm Beach at 3:33 PM EDT.

Marine Thunderstorm Wind in LAKE OKEECHOBEE, ATLANTIC SOUTH
From 11-APR-21 13:34:00 to 11-APR-21 13:34:00 (EST-5)
Location: BUCKHEAD RIDGE
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 43 mph (37knots) was measured by CWOP Mesonet station EW81361 Okeechobee located on the northwest corner of Lake Okeechobee at 2:34 PM EDT.

Marine Thunderstorm Wind in BISCAYNE BAY, ATLANTIC SOUTH
From 11-APR-21 16:45:00 to 11-APR-21 16:45:00 (EST-5)
Location: KEY BISCAYNE
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 49 mph (43 knot) was measured by the Weatherflow mesonet station XDIN, Dinner Key Light 1 at 5:45 PM EDT.

Marine Thunderstorm Wind in LAKE OKEECHOBEE, ATLANTIC SOUTH
From 11-APR-21 13:45:00 to 11-APR-21 13:45:00 (EST-5)
Location: PORT MAYACA
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 43 mph (37 knot) was measured by the SFWMD mesonet station LZ40 located over the center of Lake Okeechobee at 2:45 PM EDT.

Waterspout in JUPITER INLET TO DEERFIELD BEACH FL OUT 20NM, ATLANTIC SOUTH
From 11-APR-21 14:55:00 to 11-APR-21 14:55:00 (EST-5)
Location: BOCA RATON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Broadcast meteorologist reported brief waterspout just offshore Highland Beach associated with strong to severe thunderstorms along the coastal Atlantic waters.

Marine Thunderstorm Wind in BISCAYNE BAY, ATLANTIC SOUTH
From 11-APR-21 16:59:00 to 11-APR-21 16:59:00 (EST-5)
Location: KEY BISCAYNE
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 48 mph (42 knot) was measured by the WxFlow mesonet station XKBS, Biscayne Bay Light 20 at 5:59 PM EDT.

Marine Thunderstorm Wind in DEERFIELD BEACH TO OCEAN REEF FL, ATLANTIC SOUTH
From 11-APR-21 15:36:00 to 11-APR-21 15:36:00 (EST-5)
Location: PORT EVERGLADES
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 46 mph (40 knot) was measured by the WxFlow mesonet station XDAN, Dania Pier at 4:36 PM EDT.

Marine Thunderstorm Wind in BISCAYNE BAY, ATLANTIC SOUTH
From 11-APR-21 16:18:00 to 11-APR-21 16:18:00 (EST-5)
Location: KEY BISCAYNE
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 43 mph (37 knot) was measured by the WxFlow mesonet station XBBH, Dodge Island at 5:18 PM EDT.

Marine Thunderstorm Wind in DEERFIELD BEACH TO OCEAN REEF FL, ATLANTIC SOUTH
From 11-APR-21 15:24:00 to 11-APR-21 15:24:00 (EST-5)
Location: PORT EVERGLADES
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 39 mph (34 knot) was measured by the WxFlow mesonet station XPES, Port Everglades South at 4:24 PM EDT.

Marine Thunderstorm Wind in LAKE OKEECHOBEE, ATLANTIC SOUTH
From 11-APR-21 13:45:00 to 11-APR-21 13:45:00 (EST-5)
Location: PORT MAYACA
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 41 mph (36 knot) was measured by the SFWMD mesonet station L005 located over the western end of Lake Okeechobee at 2:45 PM EDT.

Marine Thunderstorm Wind in LAKE OKEECHOBEE, ATLANTIC SOUTH
From 11-APR-21 13:45:00 to 11-APR-21 13:45:00 (EST-5)
Location: BUCKHEAD RIDGE
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 44 mph (38 knot) was measured by the SFWMD mesonet station L001 located over the northern end of Lake Okeechobee at 2:45 PM EDT.

Marine Thunderstorm Wind in LAKE OKEECHOBEE, ATLANTIC SOUTH
From 11-APR-21 14:45:00 to 11-APR-21 14:45:00 (EST-5)
Location: KREAMER ISLAND
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 39 mph (34 knot) was measured by the SFWMD mesonet station located over the southern end of Lake Okeechobee at 3:45 PM EDT.

Marine Thunderstorm Wind in DEERFIELD BEACH TO OCEAN REEF FL, ATLANTIC SOUTH
From 11-APR-21 16:17:00 to 11-APR-21 16:17:00 (EST-5)
Location: GOVERNMENT CUT
Magnitude: 47.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 54 mph (47 kt) was measured by the WeatherFlow Mesonet site XGVT located at Government Cut at 5:17 PM EDT.

Marine Thunderstorm Wind in JUPITER INLET TO DEERFIELD BEACH FL OUT 20NM, ATLANTIC SOUTH
From 11-APR-21 14:02:00 to 11-APR-21 14:02:00 (EST-5)
Location: JUPITER INLET
Magnitude: 49.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 56 mph (49 kt) was measured by the WxFlow mesonet station XOAK, Oakes Substation at 3:02 PM EDT.

Marine Thunderstorm Wind in DEERFIELD BEACH TO OCEAN REEF FL, ATLANTIC SOUTH
From 11-APR-21 17:00:00 to 11-APR-21 17:00:00 (EST-5)
Location: ELLIOT KEY
Magnitude: 45.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A marine thunderstorm wind gust of 52 mph (45 kt) was measured by the Fowey rocks C-MAN station (FWYF1) at 6:00 PM EDT, at a height of 144 feet above the surface.

Marine Thunderstorm Wind in DEERFIELD BEACH TO OCEAN REEF FL, ATLANTIC SOUTH
From 11-APR-21 15:16:00 to 11-APR-21 15:16:00 (EST-5)
Location: PORT EVERGLADES
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 49 mph (43 knots) was measured by the WxFlow mesonet station XHBI, Hillsboro Inlet at 4:16 PM EDT.

Marine Thunderstorm Wind in DEERFIELD BEACH TO OCEAN REEF FL, ATLANTIC SOUTH
From 11-APR-21 15:34:00 to 11-APR-21 15:34:00 (EST-5)
Location: PORT EVERGLADES
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 48 mph (42 knots) was measured by CWOP Mesonet station AU497 in Fort Lauderdale at 4:34 PM EDT. This site is elevated and on top of a tall building.

Marine Thunderstorm Wind in BISCAYNE BAY, ATLANTIC SOUTH
From 11-APR-21 16:16:00 to 11-APR-21 16:16:00 (EST-5)
Location: KEY BISCAYNE
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 48 mph (42 knot) was measured by the WxFlow mesonet station XDGE, Biscayne Bay Harbor Pilots at 5:16 PM EDT.

Marine Thunderstorm Wind in DEERFIELD BEACH TO OCEAN REEF FL, ATLANTIC SOUTH
From 11-APR-21 15:30:00 to 11-APR-21 15:30:00 (EST-5)
Location: PORT EVERGLADES
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

A marine thunderstorm wind gust of 44 mph (38 knots) was measured by the NCDC  station PEGF1 2 NE Dania Beach at 4:30 PM EDT.

Marine Thunderstorm Wind in JUPITER INLET TO DEERFIELD BEACH FL OUT 20NM, ATLANTIC SOUTH
From 11-APR-21 14:05:00 to 11-APR-21 14:05:00 (EST-5)
Location: JUPITER INLET
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A marine thunderstorm wind gust of 63 mph (55 kt) was measured by the Weatherflow Mesonet station XJUP, Juno Beach Pier at 3:05 PM EDT.

Marine Thunderstorm Wind in JUPITER INLET TO DEERFIELD BEACH FL OUT 20NM, ATLANTIC SOUTH
From 11-APR-21 14:36:00 to 11-APR-21 14:36:00 (EST-5)
Location: PORT OF PALM BEACH
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

A marine thunderstorm wind gust of 67 mph (58 kt) was measured by the NOAA/NCDC C-MAN station LKWF1 at Lake Worth Pier at 3:36 PM EDT.