Last Update: 1249 PM CDT Fri Apr 3 2026

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Brownsville, TX Local Forecast Office

10NM N Port Isabel TX

Marine Zone Forecast


Tonight
Southeast winds 15 to 20 knots. Gusts to 30 knots this evening. Choppy on the bay. A slight chance of showers after midnight.
Saturday
Southeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of showers.
Saturday Night
East winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. A moderate chop on the bay becoming light chop after midnight. A slight chance of thunderstorms in the evening. Showers. A chance of thunderstorms after midnight.
Sunday
Northeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of thunderstorms in the morning. Showers. A chance of thunderstorms in the afternoon.
Sunday Night
North winds 10 to 15 knots. A moderate chop on the bay. Showers with a chance of thunderstorms.
Monday
Northeast winds 10 to 15 knots. A moderate chop on the bay. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon.
Monday Night
Northeast winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. A moderate chop on the bay becoming light chop after midnight. A chance of showers, mainly in the evening.
Tuesday
Northeast winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Light chop on the bay becoming a moderate chop in the afternoon. A slight chance of showers in the morning, then a chance of showers in the afternoon.
Tuesday Night
East winds 10 to 15 knots decreasing to 5 to 10 knots after midnight. A moderate chop on the bay becoming light chop after midnight. A chance of showers, mainly in the evening.
Wednesday
East winds 5 to 10 knots. Light chop on the bay. A slight chance of showers.
Wednesday Night
Southeast winds 5 to 10 knots. Light chop on the bay.

winds and waves higher in and near thunderstorms.




Winds and waves higher in and near thunderstorms.
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1249 PM CDT Fri Apr 3 2026
 
 

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