For More Weather Information:

4NM NE Port Isabel TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 12:18 pm CDT Oct 19, 2026
Forecast Valid: 12pm CDT Oct 19, 2026-6pm CDT Oct 25, 2026

This Afternoon

NNE wind 12 to 14 kt. A chance of showers, mainly before 5pm. Seas around 3 ft.

Tonight

ENE wind 10 to 13 kt. A slight chance of showers before 7pm. Seas around 3 ft.

Tuesday

NNE wind 10 to 14 kt. Sunny. Seas around 3 ft.

Tuesday Night

NE wind 7 to 13 kt. A slight chance of showers between 10pm and midnight, then a chance of showers and thunderstorms after midnight. Seas 2 to 3 ft.

Wednesday

ENE wind 8 to 11 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Seas 2 to 3 ft.

Wednesday Night

ENE wind 7 to 11 kt. A slight chance of showers after 1am. Seas around 2 ft.

Thursday

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

Thursday Night

E wind 7 to 11 kt. Clear. Seas around 2 ft.

Friday

E wind 6 to 9 kt. Sunny. Seas 1 to 2 ft.

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.