| NWS Forecast for: 4NM ENE Port Isabel TX Gulf of Mexico Issued by: National Weather Service Brownsville, TX Last Update: 8:45 pm CDT May 20, 2025 | |
| Tonight: SE wind 10 to 13 km/h. Mostly cloudy. Seas around 1 m. Wednesday: E wind 11 to 21 km/h. Patchy fog before 9am. Seas around 1 m. Wednesday Night: ESE wind 10 to 18 km/h. Mostly cloudy. Seas 1 m or less. Thursday: ESE wind 10 to 15 km/h increasing to 16 to 21 km/h in the afternoon. Partly sunny. Seas 1 m or less. Thursday Night: ESE wind 16 to 18 km/h. Mostly cloudy. Seas 1 m or less. Friday: SE wind 16 to 26 km/h. Mostly sunny. Seas 1 m or less. Friday Night: ESE wind 24 to 27 km/h. Partly cloudy. Seas around 1 m. Saturday: SSE wind 29 to 35 km/h, with gusts as high as 42 km/h. Mostly sunny. Seas around 1 m. Saturday Night: SE wind 32 to 34 km/h. Mostly cloudy. Seas around 1 m. | |
| Marine Point Forecast: 26.11°N 97.16°W Associated Zone Forecast which includes this point | |
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