Last Update: 151 PM CDT Fri Aug 28 2026

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Brownsville, TX Local Forecast Office

22NM N Port Mansfield TX

Marine Zone Forecast


Tonight
Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots late this evening and early morning, then becoming south early this morning. A moderate chop on the bay, diminishing to light chop late this evening and early morning, then diminishing to smooth early this morning.
Saturday
Southeast winds around 5 knots, becoming east in the afternoon. Light chop on the bay.
Saturday Night
Southeast winds around 10 knots, becoming south after midnight. Light chop on the bay.
Sunday
South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. A moderate chop on the bay.
Sunday Night
Southeast winds 10 to 15 knots, becoming south after midnight. A moderate chop on the bay.
Monday
South winds 5 to 10 knots, becoming southeast 10 to 15 knots early in the afternoon, then increasing to 15 to 20 knots late in the afternoon. Light chop on the bay, increasing to a moderate chop early in the afternoon, then increasing to choppy late in the afternoon.
Monday Night
Southeast winds 10 to 15 knots, becoming south 5 to 10 knots early in the morning. A moderate chop on the bay, diminishing to light chop early in the morning.
Tuesday
Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. A moderate chop on the bay.
Tuesday Night
Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. A moderate chop on the bay, diminishing to light chop after midnight.
Wednesday
Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. A moderate chop on the bay.
Wednesday Night
Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. Light chop on the bay.



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151 PM CDT Fri Aug 28 2026
 
 

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