FZUS54 KBRO 190643 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 143 AM CDT Sun Apr 19 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. GMZ100-191915- 143 AM CDT Sun Apr 19 2026 .SYNOPSIS...An enhanced pressure gradient will produce moderate to breezy winds and moderate seas along the Lower Texas Coast. A cold front is currently moving through the Lower Texas Coast with Small Craft Advisories in effect now. More favorable conditions are expected to develop by the middle of next week. $$ GMZ130-132-135-191915- 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- 143 AM CDT Sun Apr 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Northeast winds around 20 knots. Gusts to 30 knots late this morning. Rough on the bay. A slight chance of thunderstorms. A chance of showers early this morning, then showers likely this afternoon. .TONIGHT...Northeast winds 15 to 20 knots, becoming east 10 to 15 knots after midnight. A moderate chop on the bay. Showers likely with a chance of thunderstorms. .MONDAY...East winds 10 to 15 knots. A moderate chop on the bay. Showers likely with a chance of thunderstorms. .MONDAY NIGHT...East winds 10 to 15 knots, becoming southeast early in the morning. A moderate chop on the bay. Showers likely with a chance of thunderstorms early in the evening, then a chance of showers with a slight chance of thunderstorms in the late evening and overnight. .TUESDAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .TUESDAY 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 chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers and thunderstorms in the late evening and early morning. .WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. A moderate chop on the bay. A slight chance of thunderstorms until late afternoon. A slight chance of showers. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of showers early in the evening. .THURSDAY...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Choppy on the bay. .THURSDAY NIGHT...Southeast winds 15 to 20 knots. Choppy on the bay. Winds and waves higher in and near thunderstorms. $$ GMZ150-155-191915- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 143 AM CDT Sun Apr 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Northeast winds 20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast 7 feet at 7 seconds. A chance of showers and thunderstorms this morning, then showers likely with a slight chance of thunderstorms this afternoon. .TONIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 7 seconds. A chance of thunderstorms. .MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Showers likely with a chance of thunderstorms. .MONDAY NIGHT...East winds 15 to 20 knots, becoming southeast 10 to 15 knots early in the morning. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. A chance of showers. A chance of thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and overnight. .TUESDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 7 seconds. A slight chance of thunderstorms. A chance of showers early in the evening, then a slight chance of showers in the late evening and overnight. .WEDNESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. A slight chance of thunderstorms until late afternoon. A slight chance of showers. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. A slight chance of showers early in the evening. .THURSDAY...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 4 to 5 feet. .THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Winds and seas higher in and near thunderstorms. $$ GMZ170-175-191915- 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- 143 AM CDT Sun Apr 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Northeast winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet, building to 7 to 9 feet, occasionally to 11 feet this afternoon. Wave Detail: Northeast 7 feet at 7 seconds, becoming northeast 8 feet at 8 seconds. A chance of showers and thunderstorms early this morning, then showers likely with a slight chance of thunderstorms this afternoon. .TONIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: Northeast 7 feet at 8 seconds. Showers likely with a slight chance of thunderstorms early in the evening, then a chance of showers and thunderstorms in the late evening and overnight. .MONDAY...East winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 5 feet at 7 seconds. A chance of thunderstorms. Showers likely. .MONDAY NIGHT...East winds 15 to 20 knots, becoming southeast early in the morning. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 7 seconds. Showers likely with a chance of thunderstorms early in the evening, then a chance of showers with a slight chance of thunderstorms in the late evening and overnight. .TUESDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 7 seconds. A chance of showers. A slight chance of thunderstorms until late afternoon, then a chance of thunderstorms late in the afternoon. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms in the late evening and overnight. .WEDNESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. A slight chance of thunderstorms. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A slight chance of showers early in the evening. .THURSDAY...Southeast winds around 15 knots. Seas 4 to 5 feet. .THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Winds and seas higher in and near thunderstorms. $$