Last Update: 1242 AM CST Wed Nov 5 2025

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Brownsville, TX Local Forecast Office

10NM N Port Isabel TX

Marine Zone Forecast


Today
South winds around 5 knots, becoming southeast this afternoon. A light chop on the bay.
Tonight
Southeast winds 5 to 10 knots, becoming south after midnight. A light chop on the bay.
Thursday
South winds around 5 knots, becoming east in the afternoon. A light chop on the bay.
Thursday Night
Southeast winds 5 to 10 knots, becoming south after midnight. A light chop on the bay.
Friday
South winds 5 to 10 knots. A light chop on the bay.
Friday Night
South winds 5 to 10 knots. A light chop on the bay.
Saturday
South winds 5 to 10 knots, becoming southeast in the afternoon. A light chop on the bay.
Saturday Night
South winds 5 to 10 knots. A light chop on the bay.
Sunday
Northeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. A moderate chop on the bay, increasing to choppy bay waters in the afternoon.
Sunday Night
North winds 15 to 20 knots. Choppy bay waters.



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1242 AM CST Wed Nov 5 2025
 
 

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