Coastal waters from Port Mansfield TX to the Rio Grande River out 20 NM Marine Forecast

Hourly forecast at zone center

Hourly wind and waves

Gusts peak near 18kts around 9:00 AM, with waves reaching 5.4ft around 12:00 AM.

Sunday, October 11

12:43 PM CDT

Wind Now

14ktsSE

Gusts:17kts

Wind Now: 14 kts; gusts 17 kts. Use left and right arrows to inspect hours; Escape to reset.

Waves Now

5.0ftE

Period4s

Waves Now: 5.0 ft; period 4 seconds. Use left and right arrows to inspect hours; Escape to reset.

NOAA marine forecast

Text forecast

Updated 2:17am CDT Oct 11, 2026

Today

Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds.

Tonight

Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. A slight chance of showers and thunderstorms.

Monday

Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. A slight chance of showers and thunderstorms until late afternoon.

Monday Night

Southeast winds 10 to 15 knots. Seas 3 to 4 feet.

Tuesday

Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds.

Tuesday Night

Southeast winds around 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds.

Wednesday

Southeast winds around 15 knots. Seas 3 to 5 feet.

Wednesday Night

Southeast winds 15 to 20 knots. Seas 4 to 5 feet.

Thursday

Southeast winds 10 to 15 knots. Seas 3 to 5 feet.

Thursday Night

Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers after midnight.

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Interactive Mapbox map highlighting marine forecast zone GMZ150.