Last Update: 1217 PM CST Fri Jan 9 2026

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Brownsville, TX Local Forecast Office

7NM ESE Port Mansfield TX

Marine Zone Forecast


Tonight
South winds 5 to 10 knots, becoming northwest after midnight, then becoming north 10 to 15 knots early this morning. Light chop on the bay, increasing to a moderate chop early this morning. Patchy fog late this evening and overnight. A chance of showers after midnight. A chance of showers and thunderstorms early this morning.
Saturday
North winds 20 to 25 knots with gusts up to 35 knots. Rough on the bay. A chance of showers with a slight chance of thunderstorms early in the morning, then a slight chance of showers late in the morning. A slight chance of showers late in the afternoon.
Saturday Night
North winds 20 to 25 knots. Rough on the bay. A slight chance of showers.
Sunday
North winds 15 to 20 knots. Choppy on the bay.
Sunday Night
North winds 10 to 15 knots. A moderate chop on the bay.
Monday
North winds 5 to 10 knots. Light chop on the bay. A slight chance of showers.
Monday Night
North winds 5 to 10 knots. Light chop on the bay. A slight chance of showers.
Tuesday
Northeast winds 5 to 10 knots. Light chop on the bay. A slight chance of showers in the morning.
Tuesday Night
Northeast winds around 5 knots, becoming west after midnight. Smooth on the bay.
Wednesday
Northwest winds 5 to 10 knots, becoming north late in the afternoon. Light chop on the bay.
Wednesday Night
North winds 5 to 10 knots. Light chop on the bay.

winds and waves higher in and near thunderstorms.



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1217 PM CST Fri Jan 9 2026
 
 

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