Last Update: 1157 AM CST Wed Jan 28 2026

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Brownsville, TX Local Forecast Office

10NM N Port Isabel TX

Marine Zone Forecast


Tonight
Northeast winds 5 to 10 knots, becoming southeast early this morning. Light chop on the bay, diminishing to smooth after midnight.
Thursday
Southeast winds 5 to 10 knots. Light chop on the bay.
Thursday Night
East winds 5 to 10 knots, diminishing to around 5 knots late in the evening, then becoming north after midnight, increasing to 10 to 15 knots early in the morning. Light chop on the bay, diminishing to smooth late in the evening, then increasing to light chop after midnight, increasing to a moderate chop early in the morning. A slight chance of showers.
Friday
North winds 15 to 20 knots. Choppy on the bay.
Friday Night
North winds 10 to 15 knots. A moderate chop on the bay.
Saturday
North winds 15 to 20 knots. Choppy on the bay.
Saturday Night
Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Light chop on the bay.
Sunday
Northeast winds 5 to 10 knots, becoming east in the afternoon. Light chop on the bay.
Sunday Night
Southeast winds 5 to 10 knots. Light chop on the bay.
Monday
Southeast winds 5 to 10 knots, increasing to 10 to 15 knots late in the afternoon. Light chop on the bay, increasing to a moderate chop late in the afternoon. A slight chance of showers in the afternoon.
Monday Night
Southeast winds 10 to 15 knots. A moderate chop on the bay.



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1157 AM CST Wed Jan 28 2026
 
 

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