Coastal Waters Forecast
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
767 FZUS54 KBRO 021826 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 1226 PM CST Tue Dec 2 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. GMZ100-030715- 1226 PM CST Tue Dec 2 2025 .SYNOPSIS...Moderate to gentle northerly winds are expected to continue Small Craft Exercise Caution headlines through this afternoon. Gentle to moderate southeasterly winds and slight to moderate seas return tonight through tomorrow night. Adverse marine conditions arrive in the wake of a cold front moving through Thursday morning along with increased rain chances. Conditions improve Friday into this weekend. $$ GMZ130-132-135-030715- 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- 1226 PM CST Tue Dec 2 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .REST OF TODAY...North winds 15 to 20 knots, becoming 10 to 15 knots later this afternoon. A moderate chop on the bay. .TONIGHT...Northeast winds 5 to 10 knots, becoming east late in the evening, then becoming south after midnight, becoming east around 5 knots early in the morning. Light chop on the bay, diminishing to smooth in the late evening and overnight. .WEDNESDAY...East winds 5 to 10 knots, becoming south late in the morning, then becoming southeast in the afternoon. Light chop on the bay. A slight chance of showers early in the afternoon. A chance of showers with a slight chance of thunderstorms late in the afternoon. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Light chop on the bay. A slight chance of thunderstorms until early morning. A chance of showers. .THURSDAY...Southwest winds 5 to 10 knots, becoming west late in the morning, then becoming north in the afternoon. Light chop on the bay, increasing to a moderate chop in the afternoon. A chance of showers in the morning. A slight chance of thunderstorms in the afternoon. Showers likely in the afternoon. .THURSDAY NIGHT...North winds 15 to 20 knots, diminishing to 10 to 15 knots early in the morning. Choppy on the bay, diminishing to a moderate chop early in the morning. Showers likely. A slight chance of thunderstorms after midnight. .FRIDAY...North winds 10 to 15 knots. A moderate chop on the bay. A chance of showers in the morning. .FRIDAY NIGHT...North winds 5 to 10 knots. Light chop on the bay. A chance of showers. .SATURDAY...North winds 5 to 10 knots. Light chop on the bay. A slight chance of showers in the morning. .SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming east late in the evening, then becoming west after midnight. Light chop on the bay, diminishing to smooth in the late evening and overnight. Winds and waves higher in and near thunderstorms. $$ GMZ150-155-030715- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 1226 PM CST Tue Dec 2 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .REST OF TODAY...North winds 15 to 20 knots becoming 10 to 15 knots later this afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 7 seconds. .TONIGHT...Northeast winds 5 to 10 knots, becoming southeast after midnight. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 7 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...South winds 10 to 15 knots, becoming around 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .THURSDAY...Southwest winds 10 to 15 knots, becoming northwest early in the afternoon, then becoming north 15 to 20 knots late in the afternoon. Seas 3 to 4 feet, building to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave Detail: Southeast 3 feet at 6 seconds, becoming east 6 feet at 6 seconds. A chance of showers in the morning. A slight chance of thunderstorms in the afternoon. Showers in the afternoon. .THURSDAY NIGHT...North winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 6 feet at 7 seconds. Showers. A slight chance of thunderstorms after midnight. .FRIDAY...North winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 4 feet in the afternoon. A slight chance of thunderstorms early in the morning. A chance of showers in the morning, then a slight chance of showers in the afternoon. .FRIDAY NIGHT...North winds around 10 knots. Seas 2 to 3 feet. A chance of showers. .SATURDAY...North winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers in the morning. .SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming east late in the evening, then becoming northwest after midnight. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ170-175-030715- 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- 1226 PM CST Tue Dec 2 2025 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .REST OF TODAY...North winds 15 to 20 knots, becoming 10 to 15 this evening. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 6 feet at 7 seconds. .TONIGHT...Northeast winds around 10 knots, becoming southeast early in the morning. Seas 3 to 5 feet. Wave Detail: North 4 feet at 7 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...South winds around 15 knots, becoming northwest late in the afternoon. Seas 3 to 4 feet, building to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave Detail: South 4 feet at 6 seconds, becoming north 4 feet at 6 seconds and south 3 feet at 6 seconds. Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...North winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 6 feet at 6 seconds and north 5 feet at 7 seconds. Showers. A chance of thunderstorms after midnight. .FRIDAY...North winds 10 to 15 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 3 to 4 feet in the afternoon. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. .FRIDAY NIGHT...Northeast winds around 10 knots. Seas 3 to 4 feet. A chance of showers in the evening, then showers likely after midnight. .SATURDAY...North winds around 10 knots. Seas 2 to 4 feet. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming northwest early in the morning. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$