Expires:202608180515;;886269 FZUS54 KBRO 171631 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 1131 AM CDT Mon Aug 17 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. GMZ150-155-180515- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 1131 AM CDT Mon Aug 17 2026 .TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. .TUESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds and east 1 foot at 8 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and east 1 foot at 9 seconds. .WEDNESDAY...South winds 5 to 10 knots becoming southeast 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and southeast 2 feet at 8 seconds. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. .SATURDAY...South winds 5 to 10 knots becoming southeast in the afternoon. Seas 2 to 3 feet. .SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. $$