FZUS54 KBRO 210655 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 155 AM CDT Sun Jun 21 2026 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. GMZ100-211915- 155 AM CDT Sun Jun 21 2026 .SYNOPSIS...Generally moderate to breezy winds and moderate to elevated seas will occur during the forecast. Additional Small Craft Should Exercise Caution headlines or Small Craft Advisories will likely be needed due to winds and seas through early next week. $$ GMZ130-132-135-211915- Laguna Madre from the Port of Brownsville to the Arroyo Colorado- Laguna Madre from the Arroyo Colorado To 5 NM north of Port Mansfield TX- Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX- 155 AM CDT Sun Jun 21 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...Southeast winds 15 to 20 knots. Choppy on the bay. A slight chance of showers and thunderstorms early this morning. .TONIGHT...South winds 15 to 20 knots. Choppy on the bay. .MONDAY...Southeast winds 15 to 20 knots. Choppy on the bay. .MONDAY NIGHT...Southeast winds 15 to 20 knots, becoming south 10 to 15 knots early in the morning. Choppy on the bay, diminishing to a moderate chop early in the morning. .TUESDAY...Southeast winds around 15 knots. A moderate chop on the bay. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. .WEDNESDAY...Southeast winds 10 to 15 knots. A moderate chop on the bay. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. .THURSDAY...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots late in the afternoon. A moderate chop on the bay, increasing to choppy late in the afternoon. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. Winds and waves higher in and near thunderstorms. $$ GMZ150-155-211915- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 155 AM CDT Sun Jun 21 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 7 seconds. A slight chance of showers and thunderstorms early this morning. .TONIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: Southeast 5 feet at 7 seconds. .MONDAY...South winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 7 seconds. .MONDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: Southeast 5 feet at 7 seconds. .TUESDAY...Southeast winds around 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. .WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 4 feet. .THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. .THURSDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$ GMZ170-175-211915- Gulf waters from Port Mansfield to the Rio Grande extending from 20 to 60 nm- Gulf waters from Baffin Bay to Port Mansfield extending from 20 to 60 nm- 155 AM CDT Sun Jun 21 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION... .TODAY...South winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 7 seconds. A slight chance of showers and thunderstorms this morning. .TONIGHT...South winds 15 to 20 knots. Seas 5to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 5 feet at 7 seconds. .MONDAY...South winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 5 feet at 7 seconds. .MONDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 7 seconds. .TUESDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 5 feet at 7 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 7 seconds. .WEDNESDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. .THURSDAY...Southeast winds around 15 knots. Seas 3 to 4 feet. .THURSDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$