During the daytime hours on March 23rd thru the early morning hours on March 24th, a deep west coast trough helped to deliver progressive yet strong southwesterly upper-level to mid-level moist flow across the northern Gulf coast. At the surface, several waves of strong to severe thunderstorms approached the area from the west, quickly advancing east causing widespread severe thunderstorms across coastal waters from the afternoon on March 23rd through the early morning hours on March 24th.

Marine Thunderstorm Wind in LAKE BORGNE, GULF OF MEXICO
From 24-MAR-21 05:39:00 to 24-MAR-21 05:39:00 (CST-6)
Location: SHELL BEACH STATION (SHBL1)
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet Station KXYU Bayou Bienvenue (Vertical Lift) measured a peak wind gust of 39 mph or 34 knots from thunderstorm winds.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA FROM 20 TO 60 NM, GULF OF MEXICO
From 24-MAR-21 05:15:00 to 24-MAR-21 05:15:00 (CST-6)
Location: MISSISSIPPI CANYON OIL PLATFORM 311A (KMDJ)
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet Station KMDJ 48nm SE of Leeville measured a peak wind gust of 41 mph or 36 knots from thunderstorm winds.

Marine Thunderstorm Wind in MISSISSIPPI SOUND, GULF OF MEXICO
From 23-MAR-21 12:34:00 to 23-MAR-21 12:34:00 (CST-6)
Location: WEST PIER GULFPORT STATION (GWPM6)
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station XBIL Biloxi measured a peak wind gust of 41 mph or 36 knots from passing thunderstorms.

Marine Thunderstorm Wind in COASTAL WATERS FROM STAKE ISLAND LOUISIANA TO SOUTHWEST PASS OF THE MISSISSIPPI RIVER FROM 20 TO 60 NM, GULF OF MEXICO
From 24-MAR-21 03:35:00 to 24-MAR-21 03:35:00 (CST-6)
Location: MISSISSIPPI CANYON - NAKIKA (KIKT)
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

AWOS Station KDSF Miss Canyon measured a peak wind gust of 43 mph or 37 knots from passing thunderstorm winds.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA FROM 20 TO 60 NM, GULF OF MEXICO
From 24-MAR-21 00:55:00 to 24-MAR-21 00:55:00 (CST-6)
Location: MISSISSIPPI CANYON OIL PLATFORM 311A (KMDJ)
Magnitude: 41.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

AWOS station KMDJ Miss Canyon 311A measured a peak wind gust of 47 mph or 41 knots from thunderstorm winds.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA FROM 20 TO 60 NM, GULF OF MEXICO
From 24-MAR-21 00:55:00 to 24-MAR-21 00:55:00 (CST-6)
Location: MISSISSIPPI CANYON OIL PLATFORM 311A (KMDJ)
Magnitude: 41.00 MG
Reported by: Mesonet

Mesonet station KMDJ 48nm SE of Leeville measured a peak wind gust of 47 mph or 41 knots from thunderstorm winds.

Marine Thunderstorm Wind in COASTAL WATERS FROM BOOTHVILLE LOUISIANA TO SOUTHWEST PASS OF THE MISSISSIPPI RIVER OUT 20 NM, GULF OF MEXICO
From 24-MAR-21 01:15:00 to 24-MAR-21 01:15:00 (CST-6)
Location: MAIN PASS 140 AWOS (KMIS)
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

AWOS Station KMIS Main Pass 140B measured a peak wind gust of 44 mph or 38 knots from passing thunderstorm winds.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA OUT 20 NM, GULF OF MEXICO
From 24-MAR-21 01:05:00 to 24-MAR-21 01:05:00 (CST-6)
Location: PORT FOURCHON STATION (PTFL1)
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station LOPL1 LA Offshore Oil Port measured a peak wind gust of 43 mph or 37 knots from passing thunderstorm winds.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA FROM 20 TO 60 NM, GULF OF MEXICO
From 24-MAR-21 02:55:00 to 24-MAR-21 02:55:00 (CST-6)
Location: MISSISSIPPI CANYON OIL PLATFORM 311A (KMDJ)
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet Station KMDJ 48 SE Leeville measured a peak wind gust of 41 mph or 36 knots from passing thunderstorm winds.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA FROM 20 TO 60 NM, GULF OF MEXICO
From 24-MAR-21 05:35:00 to 24-MAR-21 05:35:00 (CST-6)
Location: MISSISSIPPI CANYON OIL PLATFORM 311A (KMDJ)
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

AWOS Station MKDJ Miss Canyon 311A meausred a peak wind gust of 44 mph or 38 knots from thunderstorm winds.

Marine Thunderstorm Wind in COASTAL WATERS FROM SOUTHWEST PASS OF THE MISSISSIPPI RIVER TO PORT FOURCHON LOUISIANA OUT 20 NM, GULF OF MEXICO
From 24-MAR-21 01:00:00 to 24-MAR-21 01:00:00 (CST-6)
Location: BURLWOOD C-MAN STATION (BURL1)
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mesonet station BURL1 Southwest Pass measured a peak wind gust of 40 mph or 35 knots from passing thunderstorm winds.