A squall line raced through the Lower Texas Coastal Waters the afternoon of April 23rd. Several of the Texas Coastal Ocean Observing Network (TCOON) sites along with Buoy42020 reported gusts over 34 knots as the line moved through.

Marine Thunderstorm Wind in COASTAL WATERS FROM BAFFIN BAY TO PT MANSFIELD TX OUT 20 NM, GULF OF MEXICO
From 23-APR-23 11:18:00 to 23-APR-23 12:00:00 (CST-6)
Location: S BAFFIN BAY
Magnitude: 49.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

The Texas Coastal Ocean Observing Network (TCOON) site at Rincon del San Jose (RSJT2) reported a measured gust of 49 knots at 12:30PM CDT. The proximity to the coastal waters from Baffin Bay to Port Mansfield out 20 nautical miles coupled with additional wind gusts over 34 knots reported at Buoy 42020 an hour later leads credence to the fact this area experienced Marine Thunderstorm Wind gusts as well.

Marine Thunderstorm Wind in WATERS FROM BAFFIN BAY TO PT MANSFIELD TX EXT FROM 20 TO 60NM, GULF OF MEXICO
From 23-APR-23 12:20:00 to 23-APR-23 13:00:00 (CST-6)
Location: S BAFFIN BAY
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

Buoy 42020 of the National Data Buoy Center (NDBC) reported wind gusts above 34 knots associated with a squall line starting at 1:20PM CDT and lasting until 2:00PM CDT. The highest gust was 51 knots recorded at 1:50PM CDT. Additional gusts of 34 knots or greater were experienced until 6:10PM CDT as a wake low set up behind the squall line.

Marine Thunderstorm Wind in COASTAL WATERS FROM PT MANSFIELD TO RIO GRANDE RIVER TX OUT 20NM, GULF OF MEXICO
From 23-APR-23 12:18:00 to 23-APR-23 13:30:00 (CST-6)
Location: SOUTH PADRE ISLAND
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

A line of thunderstorms pushed off the coast and over the Laguna Madre and Coastal Waters the afternoon of April 23rd. The Texas Coastal Ocean Observing Network (TCOON) site at SPI Brazos Santiago (BZST2) recorded wind gusts over 34 knots from 1:18PM CDT through 2:30PM CDT with the highest wind gust observed of 57 knots.

Marine Thunderstorm Wind in LAGUNA MADRE FROM PORT OF BROWNSVILLE TO ARROYO COLORADO, GULF OF MEXICO
From 23-APR-23 12:18:00 to 23-APR-23 13:00:00 (CST-6)
Location: ARROYO CITY
Magnitude: 48.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

A line of thunderstorms pushed off the coast and over the Laguna Madre and Coastal Waters the afternoon of April 23rd. The Texas Ocean Observing Network (TCOON) site at Realitos Peninsula (RLIT2) began gusting above 34 knots at 1:18PM CDT and continued until 2:00PM CDT and recorded a peak gust of 42 knots at 1:24PM CDT. Additionally, the same line of thunderstorms brought a wind gust of 48 knots to the NOAA's National Ocean Service (NOS) site at Port Isabel (PCGT2) at 1:42PM CDT.

Marine High Wind in LAGUNA MADRE FROM PORT OF BROWNSVILLE TO ARROYO COLORADO, GULF OF MEXICO
From 23-APR-23 13:00:00 to 23-APR-23 17:12:00 (CST-6)
Location: ARROYO CITY
Magnitude: 58.00 MG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Buoy

The public shared video of one unmanned pontoon boat break loose in the Laguna Madre due to high marine winds during the wake low that developed following a line of thunderstorms in the early afternoon of April 23rd. There was also another picture of one unmanned fishing boat that broke loose and capsized near Pirates Landing near the Queen Isabella Causeway. Time estimated based on wind observations nearby. Damage estimates are estimated as well.

Marine High Wind in LAGUNA MADRE FROM ARROYO COLORADO TO 5NM N OF PT MANSFIELD TX, GULF OF MEXICO
From 23-APR-23 13:00:00 to 23-APR-23 15:18:00 (CST-6)
Location: PORT MANSFIELD
Magnitude: 47.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Emergency Manager from Port Mansfield shared pictures and videos showing high winds and very rough waters on the Laguna Madre near the docks. Several of the pictures show damage to the docks, including missing sections, along with debris being washed ashore by the strong northeasterly winds that developed behind the line of thunderstorms early in the afternoon of April 23rd. Time and winds are based on nearby observations.

Marine Thunderstorm Wind in LAGUNA MADRE FROM 5NM N OF PT MANSFIELD TO BAFFIN BAY TX, GULF OF MEXICO
From 23-APR-23 11:18:00 to 23-APR-23 12:00:00 (CST-6)
Location: S BAFFIN BAY
Magnitude: 49.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

The Texas Coastal Ocean Observing Network (TCOON) site at Rincon del San Jose (RSJT2) reported wind gusts above 34 knots associated with a squall line starting at 12:18PM CDT and lasting until 1:00PM CDT. The highest gust was measured at 49 knots at 12:30PM CDT. Additional gusts over 34 knots were observed until 4:18PM CDT as a wake low developed behind the squall line.