Coastal Waters Forecast
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
779 FZUS54 KBRO 291737 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 1237 PM CDT Sun Jun 29 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. GMZ100-300615- 1237 PM CDT Sun Jun 29 2025 .SYNOPSIS...Small Craft Should Exercise Caution to Small Craft Advisory conditions are expected along the Lower Texas Coast for the remainder of the weekend and into the start of the new work week due to an organizing tropical system in the Bay of Campeche. Marine conditions will then improve for the remainder of the forecast as the swell generated by this system subsides. $$ GMZ135-300615- Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX- 1237 PM CDT Sun Jun 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .REST OF TODAY...Southeast winds 15 to 20 knots. A moderate chop on the bay. A chance of thunderstorms. Showers likely early this afternoon, then a chance of showers late this afternoon. .TONIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of showers and thunderstorms early in the evening. A slight chance of thunderstorms after midnight. A slight chance of showers after midnight. .MONDAY...Southeast winds around 10 knots. Light chop on the bay. A slight chance of showers and thunderstorms early in the morning, then showers likely with a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southeast winds around 10 knots, becoming 5 to 10 knots after midnight. Light chop on the bay. A chance of showers. .TUESDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. A moderate chop on the bay. A chance of showers. A slight chance of thunderstorms early in the morning, then a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Light chop on the bay. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers 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 showers. A slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south 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. .THURSDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. A moderate chop on the bay. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. Winds and waves higher in and near thunderstorms. $$ GMZ130-132-300615- 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- 1237 PM CDT Sun Jun 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .REST OF TODAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. A chance of thunderstorms. Showers likely early this afternoon, then a chance of showers late this afternoon. .TONIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .MONDAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. A chance of showers with a slight chance of thunderstorms early in the morning, then showers likely with a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southeast winds 10 to 15 knots. 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 early in the morning, then a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers in the late evening and early morning. .WEDNESDAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south 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. .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. Winds and waves higher in and near thunderstorms. $$ GMZ155-300615- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 1237 PM CDT Sun Jun 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .REST OF TODAY...Southeast winds 15 to 20 knots. Gusts to 30 knots early this afternoon. Seas 3 to 5 feet. Wave Detail: East 4 feet at 7 seconds. A chance of thunderstorms. Showers likely early this afternoon, then a chance of showers late this afternoon. .TONIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight chance of showers in the evening. A slight chance of thunderstorms. A chance of showers after midnight. .MONDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. Showers likely with a chance of thunderstorms. .MONDAY NIGHT...Southeast winds around 10 knots. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds. A chance of thunderstorms early in the evening. A chance of showers. A slight chance of thunderstorms early in the morning. .TUESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers in the late evening and overnight. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. A slight chance of showers and thunderstorms early in the evening. A slight chance of showers after midnight. .THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$ GMZ150-300615- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- 1237 PM CDT Sun Jun 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .REST OF TODAY...Southeast winds 15 to 20 knots. Gusts to 30 knots early this afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of showers and thunderstorms early this afternoon, then a slight chance of showers and thunderstorms late this afternoon. .TONIGHT...Southeast winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight. .MONDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 8 seconds. A chance of thunderstorms. .MONDAY NIGHT...Southeast winds around 10 knots. Seas 4 to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds. A chance of showers. A chance of thunderstorms early in the evening. A slight chance of thunderstorms early in the morning. .TUESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. A chance of showers. A slight chance of thunderstorms early in the morning, then a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds around 10 knots. Seas 3 to 4 feet. A chance of showers early in the evening. A slight chance of thunderstorms until early morning. 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 showers. A slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south early in the morning. Seas 3 to 4 feet. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$ GMZ175-300615- Gulf waters from Baffin Bay to Port Mansfield extending from 20 to 60 nm- 1237 PM CDT Sun Jun 29 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .REST OF TODAY...Southeast winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of showers and thunderstorms early this afternoon, then a slight chance of showers and thunderstorms late this afternoon. .TONIGHT...Southeast winds around 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 4 feet at 7 seconds. A slight chance of showers and thunderstorms. .MONDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 4 feet at 8 seconds. A chance of showers with a slight chance of thunderstorms early in the morning, then showers likely with a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southeast winds around 10 knots. Seas 4 to 5 feet. Wave Detail: Southeast 3 feet at 7 seconds. A chance of showers. A chance of thunderstorms early in the evening. A slight chance of thunderstorms early in the morning. .TUESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .TUESDAY 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. A slight chance of showers in the late evening and overnight. A slight chance of thunderstorms after midnight. .WEDNESDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southeast winds around 10 knots, becoming south early in the morning. Seas 3 to 4 feet. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...Southeast winds around 10 knots. Seas 2 to 4 feet. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ170-300615- Gulf waters from Port Mansfield to the Rio Grande extending from 20 to 60 nm- 1237 PM CDT Sun Jun 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON... .REST OF TODAY...Southeast winds 15 to 20 knots. Gusts to 30 knots early this afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of showers and thunderstorms early this afternoon, then a slight chance of showers and thunderstorms late this afternoon. .TONIGHT...Southeast winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms. .MONDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 4 feet at 8 seconds. Showers likely with a chance of thunderstorms. .MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers. A chance of thunderstorms early in the evening. A slight chance of thunderstorms early in the morning. .TUESDAY...Southeast winds around 10 knots. Seas 4 to 5 feet. A chance of showers. A slight chance of thunderstorms early in the morning, then a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds around 10 knots. Seas 3 to 4 feet. 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 showers and thunderstorms. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, becoming south early in the morning. Seas 3 to 4 feet. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...Southeast winds around 10 knots. Seas 2 to 4 feet. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$