For More Weather Information:

4NM ENE Port Isabel TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 2:18 am CDT May 26, 2026
Forecast Valid: 2am CDT May 26, 2026-6pm CDT Jun 1, 2026

Tuesday

SE wind 10 to 15 kt. Partly sunny. Seas 1 to 2 ft.

Tuesday Night

SE wind 16 to 19 kt. A chance of showers and thunderstorms, mainly before 2am. Seas 2 to 3 ft.

Wednesday

SSE wind 16 to 18 kt. A chance of showers and thunderstorms, mainly after 1pm. Seas 2 to 3 ft.

Wednesday Night

SE wind 10 to 14 kt. A slight chance of showers and thunderstorms. Seas around 2 ft.

Thursday

ESE wind 8 to 11 kt. Sunny. Seas around 2 ft.

Thursday Night

ESE wind 6 to 11 kt. Partly cloudy. Seas around 2 ft.

Friday

ESE wind 5 to 11 kt. Sunny. Seas around 2 ft.

Friday Night

ESE wind around 12 kt becoming SSE after midnight. Mostly clear. Seas 2 to 3 ft.

Saturday

SE wind 10 to 13 kt. Mostly sunny. Seas around 2 ft.

Winds and seas 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.