Coastal Waters Forecast
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
865 FZUS54 KBRO 130714 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 114 AM CST Fri Feb 13 2026 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. GMZ100-131930- 114 AM CST Fri Feb 13 2026 .SYNOPSIS...An intensifying pressure gradient, combined with the subsequent passage of a cold front, will produce slightly adverse marine conditions along the Lower Texas Coast tonight and through the weekend. Afterwards, lighter winds and lower seas are likely for the new work week. $$ GMZ130-132-135-131930- Laguna Madre from the Port of Brownsville to the Arroyo Colorado- Laguna Madre from the Arroyo Colorado To 5 NM north of Port Mansfield TX- Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX- 114 AM CST Fri Feb 13 2026 .TODAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots this afternoon. A moderate chop on the bay. .TONIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. .SATURDAY...Southeast winds 10 to 15 knots, becoming south 15 to 20 knots in the afternoon. A moderate chop on the bay, increasing to choppy bay waters in the afternoon. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SATURDAY NIGHT...South winds 10 to 15 knots, diminishing to 5 to 10 knots late in the evening, then becoming southwest after midnight, becoming west early in the morning. A moderate chop on the bay, diminishing to a light chop on the bay late in the evening and after midnight, increasing to light chop early in the morning. A chance of showers with a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. .SUNDAY...Northwest winds 10 to 15 knots, becoming north late in the afternoon. A moderate chop on the bay, diminishing to a light chop on the bay late in the afternoon. .SUNDAY NIGHT...Northeast winds 5 to 10 knots, diminishing to around 5 knots early in the morning. A light chop on the bay. .MONDAY...Northeast winds around 5 knots, becoming east in the afternoon. A light chop on the bay. .MONDAY NIGHT...Southeast winds 5 to 10 knots. A light chop on the bay. .TUESDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. A moderate chop on the bay. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. Winds and waves higher in and near thunderstorms. $$ GMZ150-155-131930- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 114 AM CST Fri Feb 13 2026 .TODAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots late this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. .TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers early in the morning. .SATURDAY...South winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 7 seconds. A chance of showers. .SATURDAY NIGHT...South winds 10 to 15 knots, becoming southwest 5 to 10 knots after midnight, then becoming west early in the morning. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 3 to 4 feet after midnight. Wave Detail: Southeast 5 feet at 7 seconds, becoming southeast 4 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. .SUNDAY...Northwest winds 10 to 15 knots, becoming north early in the afternoon, then diminishing to 5 to 10 knots late in the afternoon. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds and north 3 feet at 4 seconds. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. .MONDAY...Northeast winds around 5 knots, becoming east late in the afternoon. Seas 2 to 3 feet. .MONDAY NIGHT...Southeast winds 5 to 10 knots, becoming around 10 knots after midnight. Seas 2 to 3 feet. .TUESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Winds and seas higher in and near thunderstorms. $$ GMZ170-175-131930- Gulf waters from Port Mansfield to the Rio Grande extending from 20 to 60 nm- Gulf waters from Baffin Bay to Port Mansfield extending from 20 to 60 nm- 114 AM CST Fri Feb 13 2026 .TODAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. .TONIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 5 feet at 6 seconds. .SATURDAY...South winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 6 feet at 6 seconds. A chance of showers. .SATURDAY NIGHT...South winds 10 to 15 knots, becoming west early in the morning. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 7 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the evening. .SUNDAY...Northwest winds 10 to 15 knots, becoming north in the afternoon. Seas 4 to 5 feet. Wave Detail: Northwest 4 feet at 5 seconds and southeast 4 feet at 7 seconds. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas 3 to 5 feet. Wave Detail: Northwest 3 feet at 5 seconds and east 3 feet at 7 seconds. .MONDAY...Northeast winds 5 to 10 knots, becoming east late in the afternoon. Seas 2 to 4 feet. .MONDAY NIGHT...Southeast winds 5 to 10 knots, becoming around 10 knots after midnight. Seas 2 to 3 feet. .TUESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. .TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. Winds and seas higher in and near thunderstorms. $$