Last Update: 948 PM CST Sat Nov 29 2025

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Brownsville, TX Local Forecast Office

10NM N Port Isabel TX

Marine Zone Forecast


Rest Of Tonight
South winds 10 to 15 knots. A moderate chop on the bay. A chance of showers with a slight chance of thunderstorms.
Sunday
Northeast winds 10 to 15 knots becoming north 15 to 20 knots in the afternoon. A moderate chop on the bay becoming choppy in the afternoon. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon.
Sunday Night
North winds 15 to 20 knots. Choppy on the bay. A chance of showers in the evening. A slight chance of thunderstorms. Showers likely after midnight.
Monday
Northwest winds 10 to 15 knots. A moderate chop on the bay. Showers likely, mainly in the morning.
Monday Night
North winds 5 to 10 knots increasing to 15 to 20 knots after midnight. Light chop on the bay becoming choppy after midnight. A chance of showers.
Tuesday
North winds 15 to 20 knots decreasing to 10 to 15 knots in the afternoon. Choppy on the bay becoming a moderate chop in the afternoon. A slight chance of showers in the morning.
Tuesday Night
Northeast winds 5 to 10 knots. Light chop on the bay. A slight chance of showers in the evening.
Wednesday
East winds 5 to 10 knots becoming southeast in the afternoon. Light chop on the bay. A slight chance of showers in the afternoon.
Wednesday Night
South winds 5 to 10 knots. Light chop on the bay. A chance of showers with a slight chance of thunderstorms.
Thursday
Northeast winds 5 to 10 knots becoming north 10 to 15 knots in the afternoon. Light chop on the bay becoming a moderate chop in the afternoon. A chance of showers. A slight chance of thunderstorms in the afternoon.
Thursday Night
North winds 10 to 15 knots. A moderate chop on the bay. A slight chance of thunderstorms in the evening. A chance of showers.

winds and waves higher in and near thunderstorms.



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948 PM CST Sat Nov 29 2025
 
 

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