Last Update: 139 PM CDT Tue Jun 2 2026

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Brownsville, TX Local Forecast Office

10NM N Port Isabel TX

Marine Zone Forecast


Rest Of Today
East winds around 10 knots. Light chop on the bay.
Tonight
East winds 5 to 10 knots, becoming southeast early in the morning. Light chop on the bay, diminishing to smooth early in the morning. A slight chance of showers and thunderstorms early in the morning.
Wednesday
South winds around 5 knots, becoming east late in the morning, then increasing to 5 to 10 knots in the afternoon. Light chop on the bay. A slight chance of showers and thunderstorms early in the morning. A chance of showers and thunderstorms late in the morning, then a slight chance of showers and thunderstorms early in the afternoon.
Wednesday Night
East winds around 10 knots, becoming southeast after midnight. Light chop on the bay.
Thursday
East winds around 5 knots, becoming 5 to 10 knots in the afternoon. Light chop on the bay.
Thursday Night
East winds around 10 knots, becoming southeast after midnight. Light chop on the bay.
Friday
Southeast winds around 5 knots, becoming east in the afternoon. Light chop on the bay. A slight chance of showers and thunderstorms in the afternoon.
Friday Night
Southeast winds 5 to 10 knots, becoming south after midnight. Light chop on the bay. A slight chance of showers and thunderstorms.
Saturday
South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. A moderate chop on the bay. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon.
Saturday Night
Southeast winds 10 to 15 knots. A moderate chop on the bay. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and 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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139 PM CDT Tue Jun 2 2026
 
 

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