Coastal waters from Port Mansfield TX to the Rio Grande River out 20 NM Marine Forecast
Updated 2:11am CDT Aug 27, 2026
Today
South winds 5 to 10 knots, diminishing to around 5 knots late this morning, then becoming southeast this afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 4 seconds.
Tonight
Southeast winds 10 to 15 knots, becoming south after midnight. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 4 seconds.
Friday
South winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 4 seconds.
Friday Night
Southeast winds around 10 knots, becoming south after midnight. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 4 seconds.
Saturday
South winds around 5 knots, becoming southeast in the afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 4 seconds.
Saturday Night
Southeast winds around 10 knots, becoming south after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds.
Sunday
South winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet.
Sunday Night
Southeast winds 10 to 15 knots, becoming south early in the morning. Seas 2 to 3 feet.
Monday
South winds 10 to 15 knots, becoming southeast late in the afternoon. Seas 2 to 3 feet.
