Last Update: 1224 PM CDT Tue Jun 30 2026

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Brownsville, TX Local Forecast Office

17NM NE Port Isabel TX

Marine Zone Forecast


Tonight
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: southeast 3 feet at 6 seconds and east 1 foot at 9 seconds.
Wednesday
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: southeast 3 feet at 6 seconds.
Wednesday Night
Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave detail: southeast 3 feet at 6 seconds.
Thursday
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds.
Thursday Night
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds.
Friday
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds.
Friday Night
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Saturday
Southeast winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet.
Saturday Night
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Sunday
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Sunday Night
Southeast winds 10 to 15 knots. Seas 2 to 4 feet building to 4 to 5 feet after midnight.



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1224 PM CDT Tue Jun 30 2026
 
 

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