For More Weather Information:

5NM NW Port Isabel TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:45 pm CST Dec 8, 2025
Forecast Valid: 8pm CST Dec 8, 2025-6pm CST Dec 15, 2025

Tonight

NNE wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming E 5 to 7 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Tuesday Night

ESE wind around 7 kt becoming SSW after midnight. Mostly clear. Seas 1 ft or less.

Wednesday

SSW wind 6 to 10 kt becoming SSE in the afternoon. Sunny. Seas 1 ft or less.

Wednesday Night

SSE wind 5 to 9 kt. Partly cloudy. Seas 1 ft or less.

Thursday

S wind 5 to 9 kt becoming SE in the afternoon. Mostly sunny. Seas 1 ft or less.

Thursday Night

SSE wind 8 to 10 kt. Partly cloudy. Seas 1 ft or less.

Friday

SSE wind 8 to 12 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

SE wind 9 to 11 kt. A chance of showers and thunderstorms, mainly after midnight. Seas 1 ft or less.

Winds and waves higher in and near thunderstorms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.