For More Weather Information:

4NM ENE Port Isabel TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 8:18 pm CDT Jul 2, 2026
Forecast Valid: 8pm CDT Jul 2, 2026-6pm CDT Jul 9, 2026

Tonight

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

Friday

SE wind 10 to 13 kt. A slight chance of showers and thunderstorms after 1pm. Seas around 1 ft.

Friday Night

SSE wind 10 to 13 kt. Partly cloudy. Seas around 2 ft.

Independence Day

SE wind 10 to 13 kt. Mostly sunny. Seas around 1 ft.

Saturday Night

SSE wind 10 to 13 kt. Partly cloudy. Seas 1 to 2 ft.

Sunday

SE wind 10 to 13 kt. Mostly sunny. Seas around 1 ft.

Sunday Night

SE wind 10 to 12 kt. Partly cloudy. Seas 1 to 2 ft.

Monday

SE wind 9 to 13 kt. Mostly sunny. Seas 1 to 2 ft.

Monday Night

SSE wind 11 to 13 kt. Partly cloudy. 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.