Last Update: 1257 PM CDT Fri Mar 13 2026

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Brownsville, TX Local Forecast Office

7NM ESE Port Mansfield TX

Marine Zone Forecast


Rest Of Today
Southeast winds 5 to 10 knots. Light chop on the bay.
Tonight
Southeast winds 10 to 15 knots, becoming south after midnight. Light chop on the bay.
Saturday
South winds 5 to 10 knots, becoming southeast 15 to 20 knots. Light chop on the bay, increasing to choppy.
Saturday Night
Southeast winds 15 to 20 knots. Choppy on the bay.
Sunday
South winds 15 to 20 knots. Choppy on the bay.
Sunday Night
South winds 10 to 15 knots, becoming east 15 to 20 knots with gusts up to 30 knots after midnight, then becoming north 25 to 30 knots early in the morning. A moderate chop on the bay, increasing to choppy after midnight, then increasing to very rough early in the morning. A slight chance of showers early in the morning.
Monday
North winds 25 to 30 knots, diminishing to 20 to 25 knots in the afternoon. Very rough on the bay, diminishing to rough in the afternoon.
Monday Night
Northeast winds 15 to 20 knots, diminishing to 5 to 10 knots. Choppy on the bay, diminishing to light chop.
Tuesday
East 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 early in the morning. A moderate chop on the bay, diminishing to light chop early in the morning.



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1257 PM CDT Fri Mar 13 2026
 
 

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