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- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- New: 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
- Notice: Rio Grande City NOAA Weather Radio Remains Out of Service Until Further Notice
- 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: 156 AM CDT Wed Aug 5 2026
For More Weather Information:
50NM ENE Port Mansfield TX
Marine Zone Forecast
Today
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: southeast 3 feet at 6 seconds.
Tonight
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: southeast 3 feet at 6 seconds.
Thursday
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: southeast 3 feet at 6 seconds.
Thursday Night
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: southeast 3 feet at 6 seconds.
Friday
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms until late afternoon.
Friday Night
Southeast winds around 10 knots, becoming 5 to 10 knots early in the morning. Seas 2 to 4 feet. Wave detail: southeast 3 feet at 6 seconds.
Saturday
Southeast winds around 5 knots, becoming east in the afternoon. Seas 2 to 3 feet. A slight chance of showers and thunderstorms.
Saturday Night
East winds around 10 knots, becoming southeast after midnight. Seas 2 to 3 feet. A slight chance of showers and thunderstorms after midnight.
Sunday
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms early in the morning, then a chance of showers and thunderstorms in the afternoon.
Sunday Night
Southeast winds 10 to 15 knots, becoming south after midnight. Seas 2 to 4 feet. A slight chance of showers and thunderstorms after midnight.
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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