Last Update: 1235 AM CST Sun Mar 8 2026

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Brownsville, TX Local Forecast Office

22NM N Port Mansfield TX

Marine Zone Forecast


Today
East winds 5 to 10 knots. Light chop on the bay. A slight chance of thunderstorms.
Tonight
East winds 5 to 10 knots, becoming southeast after midnight. Light chop on the bay. A slight chance of showers late in the evening. A slight chance of showers early in the morning.
Monday
South winds 5 to 10 knots, becoming southeast 15 to 20 knots. Light chop on the bay, increasing to choppy. A slight chance of showers in the morning.
Monday Night
Southeast winds around 15 knots. A moderate chop on the bay.
Tuesday
South winds 15 to 20 knots, becoming southeast 20 to 25 knots with gusts up to 30 knots in the afternoon. Rough on the bay.
Tuesday Night
Southeast winds 15 to 20 knots, becoming south 10 to 15 knots early in the morning. Choppy on the bay, diminishing to a moderate chop early in the morning. A slight chance of showers after midnight.
Wednesday
South winds around 10 knots, becoming north late in the afternoon. Light chop on the bay. A slight chance of showers in the morning.
Wednesday Night
Northeast winds 10 to 15 knots, becoming north 15 to 20 knots after midnight. Choppy on the bay.
Thursday
North winds 15 to 20 knots, becoming northeast 10 to 15 knots in the afternoon. Choppy on the bay, diminishing to a moderate chop in the afternoon.
Thursday Night
East winds 5 to 10 knots, becoming southeast after midnight. Light chop on the bay, diminishing to smooth after midnight.

winds and waves higher in and near thunderstorms.




Winds and waves higher in and near thunderstorms.
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1235 AM CST Sun Mar 8 2026
 
 

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