Last Update: 256 AM CDT Fri May 8 2026

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Brownsville, TX Local Forecast Office

10NM N Port Isabel TX

Marine Zone Forecast


Today
East winds 5 to 10 knots, becoming southeast early this afternoon, then increasing to 10 to 15 knots late this afternoon. Light chop on the bay, increasing to a moderate chop late this afternoon. A chance of showers and thunderstorms, mainly this morning.
Tonight
Southeast winds 5 to 10 knots. Light chop on the bay. A slight chance of showers and thunderstorms early in the morning.
Saturday
East winds 5 to 10 knots. Light chop on the bay. A slight chance of thunderstorms.
Saturday Night
East winds 5 to 10 knots, becoming southeast after midnight. Smooth on the bay.
Sunday
Southeast winds around 5 knots, becoming east in the afternoon. Light chop on the bay.
Sunday Night
Southeast winds 5 to 10 knots, becoming east early in the morning. Light chop on the bay, diminishing to smooth early in the morning.
Monday
Northeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Light chop on the bay, increasing to a moderate chop in the afternoon.
Monday Night
Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the late evening and overnight. A moderate chop on the bay, diminishing to light chop in the late evening and overnight.
Tuesday
East winds 5 to 10 knots. Light chop on the bay.
Tuesday Night
East winds 5 to 10 knots, becoming southeast after midnight. 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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256 AM CDT Fri May 8 2026
 
 

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