FZUS54 KBRO 300849 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 349 AM CDT Wed Apr 30 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. GMZ100-301530- 349 AM CDT Wed Apr 30 2025 .SYNOPSIS...Adverse marine conditions will occur at the start of the forecast due to an enhanced pressure gradient. Afterwards, a slow improvement in winds and seas is anticipated through the weekend as the gradient relaxes. $$ GMZ130-132-135-301530- Laguna Madre from the Port of Brownsville to the Arroyo Colorado- Laguna Madre from the Arroyo Colorado To 5 NM north of Port Mansfield TX- Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX- 349 AM CDT Wed Apr 30 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL 9 AM CDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM CDT THIS MORNING THROUGH THIS AFTERNOON... .TODAY...Southeast winds 15 to 20 knots increasing to around 20 knots in the late morning. Choppy bay waters. .TONIGHT...Southeast winds 15 to 20 knots, becoming south 10 to 15 knots early in the morning. Choppy bay waters, diminishing to a moderate chop on the bay early in the morning. .THURSDAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. .FRIDAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of showers in the evening. A slight chance of thunderstorms in the late evening and overnight. A chance of showers after midnight. .SATURDAY...East winds 10 to 15 knots. A moderate chop on the bay. Showers with a chance of thunderstorms. .SATURDAY NIGHT...East winds 10 to 15 knots. A moderate chop on the bay. A chance of thunderstorms. Showers early in the evening, then a chance of showers in the late evening and overnight. .SUNDAY...East winds 10 to 15 knots. A moderate chop on the bay. A chance of showers. A chance of thunderstorms until late afternoon, then a slight chance of thunderstorms late in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots, becoming southeast early in the morning. A moderate chop on the bay. A chance of showers with a slight chance of thunderstorms early in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ150-155-301530- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 349 AM CDT Wed Apr 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 5 feet at 7 seconds. .TONIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet, building to 5 to 7 feet, occasionally to 9 feet after midnight. Wave Detail: Southeast 5 feet at 7 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 7 seconds. .THURSDAY NIGHT...Southeast winds around 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight chance of showers and thunderstorms after midnight. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight chance of showers early in the morning. A slight chance of showers in the afternoon. A slight chance of thunderstorms late in the afternoon. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. A chance of thunderstorms. Showers. .SATURDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet. A chance of thunderstorms. Showers likely early in the evening, then a chance of showers in the late evening and overnight. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers. A chance of thunderstorms until late afternoon, then a slight chance of thunderstorms late in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers with a slight chance of thunderstorms early in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ170-175-301530- Gulf waters from Port Mansfield to the Rio Grande extending from 20 to 60 nm- Gulf waters from Baffin Bay to Port Mansfield extending from 20 to 60 nm- 349 AM CDT Wed Apr 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 6 feet at 7 seconds. .TONIGHT...Southeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 5 feet at 7 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 5 feet at 7 seconds. .THURSDAY NIGHT...Southeast winds around 10 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .SATURDAY...East winds around 10 knots. Seas 4 to 5 feet. Showers likely with a chance of thunderstorms. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Showers likely in the evening. A chance of thunderstorms. A chance of showers after midnight. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers. A chance of thunderstorms until late afternoon, then a slight chance of thunderstorms late in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. A chance of showers with a slight chance of thunderstorms early in the evening. Winds and seas higher in and near thunderstorms. $$