Last Update: 158 AM CDT Thu Jul 30 2026

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Brownsville, TX Local Forecast Office

7NM ESE Port Mansfield TX

Marine Zone Forecast


Today
Southeast winds 10 to 15 knots, increasing to 15 to 20 knots this afternoon. Choppy on the bay.
Tonight
Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the late evening and overnight. Choppy on the bay, diminishing to a moderate chop in the late evening and overnight.
Friday
Southeast winds 10 to 15 knots, increasing to 15 to 20 knots late in the afternoon. A moderate chop on the bay, increasing to choppy late in the afternoon.
Friday Night
Southeast winds 10 to 15 knots. A moderate chop on the bay.
Saturday
Southeast winds 10 to 15 knots. A moderate chop on the bay.
Saturday Night
Southeast winds 10 to 15 knots, becoming south early in the morning. A moderate chop on the bay, diminishing to light chop early in the morning.
Sunday
South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. Light chop on the bay, increasing to a moderate chop in the afternoon.
Sunday Night
Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. A moderate chop on the bay, diminishing to light chop early in the morning.
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. A moderate chop on the bay.



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158 AM CDT Thu Jul 30 2026
 
 

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