Last Update: 100 AM CST Wed Nov 26 2025

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Brownsville, TX Local Forecast Office

26NM NNE Port Mansfield TX

Marine Zone Forecast


Today
Northeast winds 15 to 20 knots, increasing to 20 to 25 knots with gusts up to 30 knots this afternoon. Seas 4 to 6 feet, occasionally to 8 feet, building to 6 to 8 feet, occasionally to 10 feet this afternoon. Wave detail: northeast 6 feet at 6 seconds, becoming northeast 7 feet at 7 seconds. Showers likely with a chance of thunderstorms this morning, then a chance of showers and thunderstorms early this afternoon.
Tonight
Northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet, subsiding to 4 to 5 feet after midnight. Wave detail: northeast 6 feet at 7 seconds, becoming northeast 5 feet at 7 seconds.
Thursday
Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave detail: northeast 5 feet at 7 seconds.
Thursday Night
East winds around 15 knots. Seas 4 to 5 feet. Wave detail: east 5 feet at 7 seconds.
Friday
East winds 15 to 20 knots. Seas 4 to 5 feet, building to 5 to 7 feet, occasionally to 9 feet in the afternoon. Wave detail: east 5 feet at 7 seconds. A slight chance of showers in the afternoon.
Friday Night
Southeast winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 6 to 8 feet, occasionally to 10 feet. Wave detail: southeast 7 feet at 7 seconds. A slight chance of showers.
Saturday
South winds around 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon.
Saturday Night
South winds 15 to 20 knots, becoming around 15 knots early in the morning. Seas 5 to 7 feet, occasionally to 9 feet. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight.
Sunday
East winds around 15 knots, becoming north in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. A chance of showers.
Sunday Night
North winds around 15 knots. Seas 5 to 7 feet, occasionally to 9 feet. A chance of showers in the evening, then showers likely after midnight.

winds and seas higher in and near thunderstorms.



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100 AM CST Wed Nov 26 2025
 
 

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