| NWS Forecast for: 4NM ENE Port Isabel TX Gulf of Mexico Issued by: National Weather Service Brownsville, TX Last Update: 3:45 am CST Dec 12, 2025 | |
| Friday: SSE wind 9 to 12 kt. Mostly sunny. Seas 1 to 2 ft. Friday Night: SE wind around 9 kt. A chance of showers and thunderstorms, mainly after 3am. Seas 1 to 2 ft. Saturday: SE wind around 9 kt. A chance of showers and thunderstorms, mainly before noon. Seas 1 to 2 ft. Saturday Night: SE wind 5 to 9 kt becoming E after midnight. A slight chance of showers and thunderstorms after midnight. Seas 1 to 2 ft. Sunday: NNE wind 5 to 10 kt increasing to 13 to 18 kt in the afternoon. Showers likely and possibly a thunderstorm. Seas 1 to 2 ft. Sunday Night: NNE wind 18 to 22 kt. A chance of showers. Seas 2 ft building to 5 ft. Monday: NE wind 12 to 17 kt. Mostly cloudy. Seas 5 ft subsiding to 2 ft. Monday Night: ENE wind 10 to 12 kt becoming SE after midnight. Mostly cloudy. Seas 2 to 3 ft. Tuesday: SE wind 10 to 12 kt. A slight chance of showers. Seas 2 to 3 ft. | |
| Marine Point Forecast: 26.11°N 97.16°W Associated Zone Forecast which includes this point | |
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