Last Update: 112 PM CDT Mon Jun 16 2025

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Brownsville, TX Local Forecast Office

10NM N Port Isabel TX

Marine Zone Forecast


Rest Of Today
Southeast winds 10 to 15 knots. A moderate chop on the bay. A chance of showers. A chance of thunderstorms early this afternoon, then a slight chance of thunderstorms late this afternoon.
Tonight
Southeast winds 10 to 15 knots. A moderate chop on the bay.
Tuesday
South winds 10 to 15 knots, becoming southeast 15 to 20 knots late in the afternoon. A moderate chop on the bay, increasing to choppy late in the afternoon.
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.
Wednesday
South winds 10 to 15 knots, becoming southeast 15 to 20 knots in the afternoon. A moderate chop on the bay, increasing to choppy in the afternoon.
Wednesday Night
Southeast winds 10 to 15 knots. A moderate chop on the bay. A slight chance of showers after midnight. A slight chance of showers and thunderstorms early in the morning.
Thursday
Southeast winds 10 to 15 knots. A moderate chop on the bay. Showers likely. A slight chance of thunderstorms early in the morning, then a chance of thunderstorms in the afternoon.
Thursday Night
Southeast winds 10 to 15 knots. A moderate chop on the bay. Showers likely in the evening. A chance of thunderstorms. A chance of showers after midnight.
Friday
Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. A moderate chop on the bay. A chance of thunderstorms. Showers likely.
Friday Night
Southeast winds 10 to 15 knots. A moderate chop on the bay. Showers likely with a chance of thunderstorms early in the evening, then a chance of showers with a slight chance of thunderstorms in the late evening and overnight.

winds and waves higher in and near thunderstorms.




Winds and waves higher in and near thunderstorms.
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112 PM CDT Mon Jun 16 2025
 
 

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