For More Weather Information:

4NM ENE Port Isabel TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 10:18 pm CST Dec 31, 2025
Forecast Valid: 10pm CST Dec 31, 2025-6pm CST Jan 7, 2026

Tonight

S wind around 8 kt. Mostly clear. Seas 1 to 2 ft.

New Year's Day

S wind 7 to 12 kt. Mostly sunny. Seas 1 to 2 ft.

Thursday Night

S wind 12 to 16 kt. Partly cloudy. Seas 1 to 2 ft.

Friday

S wind around 15 kt. Sunny. Seas 1 to 2 ft.

Friday Night

S wind 10 to 14 kt. Mostly clear. Seas 1 to 2 ft.

Saturday

SSW wind 6 to 9 kt becoming NE in the afternoon. Sunny. Seas around 1 ft.

Saturday Night

ENE wind 6 to 9 kt. Mostly clear. Seas around 1 ft.

Sunday

NE wind 6 to 9 kt becoming E in the afternoon. Sunny. Seas around 1 ft.

Sunday Night

E wind around 9 kt becoming SSE after midnight. Mostly clear. Seas 1 to 2 ft.

*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.