


Coastal Waters Forecast
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
981 FZUS54 KBRO 241725 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 1225 PM CDT Thu Jul 24 2025 Lower Texas coastal waters from Baffin Bay to the mouth of the Rio Grande out 60 NM. Seas are provided as a range of the average height of the highest 1/3 of the waves, along with the occasional height of the average highest 10 percent of the waves. GMZ100-250615- 1225 PM CDT Thu Jul 24 2025 .SYNOPSIS...High pressure at the surface will produce generally light to moderate winds and low to moderate seas along the Lower Texas Coast through the week. A coastal trough is moving westward towards the Upper Texas Coast, which could bring showers and thunderstorms to the coastal waters through the weekend. $$ GMZ130-132-135-250615- Laguna Madre from the Port of Brownsville to the Arroyo Colorado- Laguna Madre from the Arroyo Colorado To 5 NM north of Port Mansfield TX- Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX- 1225 PM CDT Thu Jul 24 2025 .TONIGHT...Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. Light chop on the bay. .FRIDAY...South winds around 5 knots, becoming southeast in the afternoon. Smooth on the bay, increasing to light chop in the afternoon. A slight chance of showers and thunderstorms late in the morning. A chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds around 10 knots, becoming south early in the morning. Light chop on the bay. A chance of showers. A slight chance of thunderstorms early in the evening. A slight chance of thunderstorms after midnight. .SATURDAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of thunderstorms. A chance of showers until late afternoon, then a slight chance of showers late in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of showers and thunderstorms early in the evening. .SUNDAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots early in the morning. A moderate chop on the bay, diminishing to light chop early in the morning. A slight chance of showers and thunderstorms early in the evening. .MONDAY...Southeast winds 5 to 10 knots. Light chop on the bay. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the bay. .TUESDAY...Southeast winds around 5 knots, becoming east in the afternoon. Light chop on the bay. .TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Light chop on the bay. Winds and waves higher in and near thunderstorms. $$ GMZ150-155-250615- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 1225 PM CDT Thu Jul 24 2025 .TONIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. .FRIDAY...South winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of thunderstorms. A slight chance of showers early in the morning, then a chance of showers in the afternoon. .FRIDAY NIGHT...Southeast winds around 10 knots, becoming south early in the morning. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms early in the evening. A slight chance of thunderstorms after midnight. .SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of thunderstorms. A chance of showers until late afternoon, then a slight chance of showers late in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of showers early in the evening. A slight chance of showers after midnight. A slight chance of thunderstorms early in the morning. .SUNDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southeast winds around 10 knots. Seas 3 to 4 feet. A chance of showers with a slight chance of thunderstorms early in the evening. .MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. .TUESDAY...Southeast winds around 5 knots, becoming east in the afternoon. Seas 2 to 3 feet. .TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ170-175-250615- Gulf waters from Port Mansfield to the Rio Grande extending from 20 to 60 nm- Gulf waters from Baffin Bay to Port Mansfield extending from 20 to 60 nm- 1225 PM CDT Thu Jul 24 2025 .TONIGHT...Southeast winds 5 to 10 knots, becoming south early this morning. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 6 seconds. A slight chance of showers and thunderstorms early this morning. .FRIDAY...Southwest winds 5 to 10 knots, becoming southeast late in the afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 5 seconds. A chance of showers. A chance of thunderstorms until late afternoon, then a slight chance of thunderstorms late in the afternoon. .FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of showers. .SATURDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of showers early in the evening. A slight chance of showers after midnight. A slight chance of thunderstorms early in the morning. .SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers with a slight chance of thunderstorms early in the evening. .MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. .TUESDAY...Southeast winds around 5 knots, becoming east in the afternoon. Seas 2 to 3 feet. .TUESDAY NIGHT...East winds around 5 knots, becoming south after midnight. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$