Last Update: 1227 PM CST Sun Jan 11 2026

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Brownsville, TX Local Forecast Office

10NM N Port Isabel TX

Marine Zone Forecast


Tonight
North winds 10 to 15 knots, diminishing to 5 to 10 knots late this evening and overnight. A moderate chop on the bay, diminishing to light chop late this evening and overnight.
Monday
North winds around 10 knots, becoming 10 to 15 knots in the afternoon. A moderate chop on the bay. A slight chance of showers in the afternoon.
Monday Night
North winds 5 to 10 knots. Light chop on the bay.
Tuesday
North winds 5 to 10 knots. Light chop on the bay. A slight chance of showers in the morning.
Tuesday Night
Northeast winds around 5 knots, becoming northwest after midnight. Smooth on the bay. A slight chance of showers.
Wednesday
Northwest winds 5 to 10 knots. Light chop on the bay.
Wednesday Night
North winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. A moderate chop on the bay.
Thursday
North winds 10 to 15 knots, becoming northeast 5 to 10 knots late in the afternoon. A moderate chop on the bay, diminishing to light chop late in the afternoon.
Thursday Night
East winds 5 to 10 knots, becoming southeast in the late evening and overnight. Smooth on the bay.
Friday
South winds 5 to 10 knots, becoming southeast late in the afternoon. Light chop on the bay.
Friday Night
Southeast winds 5 to 10 knots, becoming northeast early in the morning. Light chop on the bay.



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1227 PM CST Sun Jan 11 2026
 
 

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