| NWS Forecast for: 4NM ENE Port Isabel TX Gulf of Mexico Issued by: National Weather Service Brownsville, TX Last Update: 10:00 am CDT Sep 13, 2026 |  |
| Today: SE wind 12 to 14 kt. A slight chance of showers and thunderstorms between 11am and 1pm. Seas 1 to 2 ft. Tonight: SE wind 10 to 12 kt. Mostly clear. Seas around 1 ft. Monday: SE wind 10 to 14 kt. Sunny. Seas 1 to 2 ft. Monday Night: SE wind 11 to 13 kt. Mostly clear. Seas around 2 ft. Tuesday: SE wind 10 to 14 kt. Sunny. Seas 1 to 2 ft. Tuesday Night: SSE wind 5 to 12 kt. Mostly clear. Seas around 1 ft. Wednesday: Variable winds less than 5 kt becoming E 5 to 10 kt in the morning. A slight chance of showers and thunderstorms. Seas 1 to 2 ft. Wednesday Night: E wind 5 to 9 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms after 1am. Seas around 1 ft. Thursday: Variable winds less than 5 kt becoming NE 5 to 10 kt in the morning. A chance of showers and thunderstorms, mainly before 1pm. Seas around 1 ft. | |
| Marine Point Forecast: 26.11°N 97.16°W Associated Zone Forecast which includes this point | |
Visit your local NWS office at: https://www.weather.gov/bro |
