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Brownsville, TX Local Forecast Office

26NM NNE Port Mansfield TX

Marine Zone Forecast

Today

South winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 5 feet, building to 5 to 7 feet, occasionally to 9 feet this afternoon. Wave detail: southeast 5 feet at 6 seconds, becoming southeast 6 feet at 7 seconds. A slight chance of showers this morning.

Tonight

South winds 15 to 20 knots, diminishing to around 10 knots late in the evening, then becoming southwest after midnight. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 3 to 4 feet after midnight. Wave detail: southeast 5 feet at 7 seconds, becoming southeast 4 feet at 7 seconds.

Sunday

West winds around 10 knots, becoming northeast late in the afternoon. Seas 3 to 4 feet. Wave detail: southeast 4 feet at 7 seconds and northwest 2 feet at 3 seconds.

Sunday Night

Northeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave detail: southeast 3 feet at 6 seconds.

Monday

Northeast winds around 5 knots, becoming east late in the afternoon. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds.

Monday Night

Southeast winds 5 to 10 knots, becoming around 10 knots after midnight. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 4 seconds and east 2 feet at 7 seconds.

Tuesday

Southeast winds 10 to 15 knots. Seas 2 to 3 feet.

Tuesday Night

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

Wednesday

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

Wednesday Night

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