Coastal Waters Forecast
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
754 FZUS54 KBRO 170624 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 1224 AM CST Mon Nov 17 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. GMZ100-171930- 1224 AM CST Mon Nov 17 2025 .SYNOPSIS...A gradually more enhanced pressure gradient over the western Gulf of America will produce increasing winds and building seas along the Lower Texas Coast during the forecast. Small Craft Should Exercise Caution and Small Craft Advisory are likely to be needed, especially around the middle of the week. $$ GMZ130-132-135-171930- Laguna Madre from the Port of Brownsville to the Arroyo Colorado- Laguna Madre from the Arroyo Colorado To 5 NM north of Port Mansfield TX- Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX- 1224 AM CST Mon Nov 17 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...South winds 10 to 15 knots, becoming southeast 15 to 20 knots this afternoon. A moderate chop on the bay, increasing to choppy bay waters this afternoon. .TONIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. .TUESDAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of showers after midnight. .WEDNESDAY...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. A moderate chop on the bay, increasing to choppy bay waters in the afternoon. .WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Choppy bay waters. A slight chance of showers after midnight. .THURSDAY...Southeast winds 15 to 20 knots. Choppy bay waters. A slight chance of showers in the morning. .THURSDAY NIGHT...South winds 15 to 20 knots. Choppy bay waters. A slight chance of showers after midnight. .FRIDAY...South winds 10 to 15 knots, becoming southeast in the afternoon. A moderate chop on the bay. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. A light chop on the bay. A slight chance of showers in the evening, then a chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ150-155-171930- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 1224 AM CST Mon Nov 17 2025 .TODAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. .TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. .TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers in the morning. .WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 5 feet at 6 seconds. A slight chance of showers. .THURSDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers. .THURSDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 5 feet. A slight chance of showers. .FRIDAY...South winds 10 to 15 knots, becoming southeast in the afternoon. Seas 3 to 4 feet. A chance of showers with a slight chance of thunderstorms. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ170-175-171930- Gulf waters from Port Mansfield to the Rio Grande extending from 20 to 60 nm- Gulf waters from Baffin Bay to Port Mansfield extending from 20 to 60 nm- 1224 AM CST Mon Nov 17 2025 .TODAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 5 seconds. .TONIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds. .TUESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. A slight chance of showers in the afternoon. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds. A slight chance of showers. .WEDNESDAY...Southeast winds around 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers. .WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: Southeast 5 feet at 5 seconds. A slight chance of showers. .THURSDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers. .THURSDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet. A slight chance of showers. .FRIDAY...South winds 10 to 15 knots. Seas 4 to 5 feet. A chance of showers with a slight chance of thunderstorms. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$