Coastal Waters Forecast
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
158 FZUS54 KBRO 121256 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 656 AM CST Wed Nov 12 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. GMZ100-130115- 656 AM CST Wed Nov 12 2025 .SYNOPSIS...Conditions will continue to improve before the pressure gradient begins to increase again late Thursday. By Friday afternoon/evening, Small Craft Advisories may be needed on the Laguna Madre and Gulf waters through midday Saturday before conditions begin to improve. There is a low chance of showers and thunderstorms on the Gulf Saturday and Sunday. $$ GMZ130-132-135-130115- Laguna Madre from the Port of Brownsville to the Arroyo Colorado- Laguna Madre from the Arroyo Colorado To 5 NM north of Port Mansfield TX- Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX- 656 AM CST Wed Nov 12 2025 ...SMALL CRAFT CAUTION... .TODAY...South winds 15 to 20 knots. Choppy on the bay. .TONIGHT...South winds 10 to 15 knots. A moderate chop on the bay. .THURSDAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. .FRIDAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. .SATURDAY...South winds 10 to 15 knots, becoming southeast 15 to 20 knots in the afternoon. A moderate chop on the bay, increasing to choppy in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. .SUNDAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. $$ GMZ150-155-130115- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 656 AM CST Wed Nov 12 2025 ...SMALL CRAFT CAUTION... .TODAY...South winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. .TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 1 foot at 6 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 2 feet at 6 seconds. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 2 feet at 7 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds. .SATURDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. .SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. $$ GMZ170-175-130115- Gulf waters from Port Mansfield to the Rio Grande extending from 20 to 60 nm- Gulf waters from Baffin Bay to Port Mansfield extending from 20 to 60 nm- 656 AM CST Wed Nov 12 2025 ...SMALL CRAFT CAUTION THIS MORNING... .TODAY...South winds around 15 knots. Seas 3 to 5 feet. Wave Detail: South 4 feet at 5 seconds and east 2 feet at 6 seconds. .TONIGHT...Southeast winds around 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 5 seconds and east 2 feet at 6 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 2 feet at 7 seconds and south 2 feet at 5 seconds. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds and east 2 feet at 7 seconds. .FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers in the afternoon. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. .SATURDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. .SATURDAY NIGHT...South winds around 15 knots. Seas 4 to 5 feet. .SUNDAY...South winds 10 to 15 knots. Seas 3 to 5 feet. A slight chance of thunderstorms in the morning. A slight chance of showers. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$