News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- Hot, Windy, and Rain-Free Weather Since Late June Brought on a Rapid-Onset Drought to Portions of the RGV in Early August
- August-October 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected To Continue; Could Turn Wetter Towards The Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas
Last Update: 137 PM CDT Mon Aug 24 2026
For More Weather Information:
17NM NE Port Isabel TX
Marine Zone Forecast
Rest Of Today
Southeast winds 5 to 10 knots, increasing to 10 to 15 knots late this afternoon. Seas 1 to 2 feet. Wave detail: southeast 2 feet at 4 seconds.
Tonight
Southeast winds 10 to 15 knots, becoming south early in the morning. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 4 seconds.
Tuesday
South winds 5 to 10 knots, becoming southeast early in the afternoon, then increasing to 10 to 15 knots late in the afternoon. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 4 seconds.
Tuesday Night
Southeast winds 10 to 15 knots, becoming south after midnight. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 4 seconds.
Wednesday
South winds 5 to 10 knots, becoming southeast in the afternoon. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds.
Wednesday Night
Southeast winds around 10 knots, becoming south after midnight. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds.
Thursday
South winds 5 to 10 knots, diminishing to around 5 knots late in the morning, then becoming southeast in the afternoon. Seas 1 to 2 feet.
Thursday Night
Southeast winds around 10 knots, becoming south early in the morning. Seas 2 to 3 feet.
Friday
South winds 5 to 10 knots, diminishing to around 5 knots late in the morning, then becoming southeast in the afternoon. Seas 1 to 2 feet. A slight chance of showers and thunderstorms until late afternoon.
Friday Night
Southeast winds around 10 knots, becoming south after midnight. Seas 2 to 3 feet.
winds and seas higher in and near thunderstorms.
winds and seas higher in and near thunderstorms.
Winds and seas higher in and near thunderstorms.
Additional Forecasts and Information
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