Last Update: 137 PM CDT Mon Aug 24 2026

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Brownsville, TX Local Forecast Office

17NM NE Port Isabel TX

Marine Zone Forecast


Rest Of Today
Southeast winds 5 to 10 knots, increasing to 10 to 15 knots late this afternoon. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 4 seconds.
Tonight
Southeast winds 10 to 15 knots, becoming south early in the morning. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 4 seconds.
Tuesday
South winds 5 to 10 knots, becoming southeast early in the afternoon, then increasing to 10 to 15 knots late in the afternoon. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 4 seconds.
Tuesday Night
Southeast winds 10 to 15 knots, becoming south after midnight. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 4 seconds.
Wednesday
South winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds.
Wednesday Night
Southeast winds around 10 knots, becoming south after midnight. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds.
Thursday
South winds 5 to 10 knots, diminishing to around 5 knots late in the morning, then becoming southeast in the afternoon. Seas 1 to 2 feet.
Thursday Night
Southeast winds around 10 knots, becoming south early in the morning. Seas 2 to 3 feet.
Friday
South winds 5 to 10 knots, diminishing to around 5 knots late in the morning, then becoming southeast in the afternoon. Seas 1 to 2 feet. A slight chance of showers and thunderstorms until late afternoon.
Friday Night
Southeast winds around 10 knots, becoming south after midnight. Seas 2 to 3 feet.

winds and seas higher in and near thunderstorms.




Winds and seas higher in and near thunderstorms.
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137 PM CDT Mon Aug 24 2026
 
 

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