Coastal waters from Port Aransas to Matagorda Ship Channel out 20 NM Marine Forecast

NOAA marine forecast

Text forecast

Updated 1:57am CDT Oct 11, 2026

Rest Of Tonight

Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: East 3 feet at 7 seconds.

Sunday

Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds.

Sunday Night

Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers after midnight.

Monday

Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. A chance of showers and thunderstorms.

Monday Night

Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the evening.

Tuesday

Southeast winds 10 to 15 knots. Seas around 3 feet.

Tuesday Night

Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet.

Wednesday

Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.

Wednesday Night

Southeast winds around 15 knots. Seas around 4 feet, occasionally to 5 feet.

Thursday

Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet.

Thursday Night

Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas around 3 feet.

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Interactive Mapbox map highlighting marine forecast zone GMZ255.