Coastal Waters Forecast
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
783 FZUS54 KBRO 202026 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 326 PM CDT Thu Jun 20 2024 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. GMZ100-210915- 326 PM CDT Thu Jun 20 2024 .SYNOPSIS...The difference between high pressure across the southeast U.S. and the general low pressure in the southwest Gulf following Tropical Storm Alberto will maintain gusty east winds and dangerous seas through Friday morning. A moderate easterly flow will continue through the weekend as another area of low pressure develops in the southwest Gulf while high pressure continues across the southeast U.S. Small Craft Advisories are likely to persist over the Gulf waters until the seas lower which may not be until late Saturday. Mariners will need to monitor the weather forecast for the possibility of another tropical low pressure system to form out of the southwest Gulf low. National Hurricane Center has a 20 percent chance of Tropical Cyclone formation in the next 2 days and 50 percent in 7 days. $$ GMZ130-132-135-210915- 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- 326 PM CDT Thu Jun 20 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .TONIGHT...East winds 20 to 25 knots with gusts up to 30 knots, diminishing to 15 to 20 knots late this evening and overnight. Rough on the bay, diminishing to choppy late this evening and overnight. Showers likely early this evening, then a chance of showers late this evening and overnight. .FRIDAY...East winds 10 to 15 knots. A moderate chop on the bay. A chance of showers and thunderstorms. .FRIDAY NIGHT...East winds 10 to 15 knots. A moderate chop on the bay. A chance of showers and thunderstorms. .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, diminishing to 5 to 10 knots after midnight. Light chop on the bay. Showers likely with a chance of thunderstorms. .SUNDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. A moderate chop on the bay. Showers with a chance of thunderstorms. .SUNDAY NIGHT...East winds 5 to 10 knots. Light chop on the bay. A chance of thunderstorms. A chance of showers until early morning, then showers likely early in the morning. .MONDAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. A moderate chop on the bay. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late in the afternoon. .MONDAY 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 thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight. .TUESDAY...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. A chance of showers until late afternoon, then a slight chance of showers late in the afternoon. .TUESDAY 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. Winds and waves higher in and near thunderstorms. $$ GMZ150-155-170-175-210915- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 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- 326 PM CDT Thu Jun 20 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING... .TONIGHT...East winds 20 to 25 knots with a few gusts to 30 knots this evening. Seas 8 to 11 feet, occasionally to 14 feet. Wave Detail: East 10 feet at 9 seconds. A chance of showers and thunderstorms. .FRIDAY...East winds 15 to 20 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave Detail: East 8 feet at 9 seconds. A chance of showers. .FRIDAY NIGHT...East winds 15 knots and gusty. Seas 6 to 8 feet, occasionally to 10 feet. Wave Detail: East 7 feet at 8 seconds. A chance of showers and thunderstorms. .SATURDAY...East winds 15 knots and gusty. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 8 seconds. Showers with a chance of thunderstorms. .SATURDAY NIGHT...East winds 15 knots and gusty. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 8 seconds. A chance of thunderstorms. Showers. .SUNDAY...East winds 15 knots and gusty. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 8 seconds. A chance of thunderstorms. Showers. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. A chance of thunderstorms. .MONDAY...Southeast winds around 10 knots. Seas 5 to 7 feet, occasionally to 9 feet. A chance of showers and thunderstorms. .MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight. .TUESDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. A slight chance of thunderstorms. A chance of showers until late afternoon, then a slight chance of showers late in the afternoon. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. A slight chance of showers and thunderstorms early in the evening. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near stronger showers and thunderstorms. $$ 59/22/52