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Waters from Port Mansfield TX to the Rio Grande River from 20 to 60 NM Marine Forecast

Updated 2:11am CDT Aug 27, 2026
Zone Map
Today
South winds 5 to 10 knots, diminishing to around 5 knots this afternoon, then becoming southeast late this afternoon. Seas 1 to 2 feet. Wave Detail: South 1 foot at 4 seconds.
Tonight
Southeast winds 5 to 10 knots, becoming south after midnight. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 3 seconds.
Friday
South winds 5 to 10 knots, becoming southeast early in the afternoon, then becoming east around 5 knots late in the afternoon. Seas 1 to 2 feet. Wave Detail: South 2 feet at 4 seconds.
Friday Night
Southeast winds 5 to 10 knots, becoming south after midnight. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A slight chance of showers and thunderstorms after midnight.
Saturday
South winds around 5 knots, becoming southeast in the afternoon. Seas 1 to 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A slight chance of showers and thunderstorms until late afternoon.
Saturday Night
Southeast winds 5 to 10 knots, becoming south after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight.
Sunday
South winds 5 to 10 knots, becoming southeast late in the afternoon. Seas 2 to 3 feet. A slight chance of showers and thunderstorms until late afternoon.
Sunday Night
Southeast winds 10 to 15 knots, becoming south early in the morning. Seas 2 to 4 feet.
Monday
South winds 10 to 15 knots. Seas 2 to 3 feet.
Monday Night
Southeast winds 10 to 15 knots. Seas 2 to 4 feet.