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4NM ENE Port Isabel TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 10:00 am CDT May 20, 2026
Forecast Valid: 10am CDT May 20, 2026-6pm CDT May 26, 2026

Today

SE wind 14 to 17 kt. Partly sunny. Seas around 2 ft.

Tonight

ESE wind around 13 kt. Mostly cloudy. Seas 2 to 3 ft.

Thursday

SE wind 10 to 15 kt. A chance of showers and thunderstorms, mainly before 1pm. Seas around 2 ft.

Thursday Night

SSE wind 11 to 14 kt. A slight chance of showers and thunderstorms after 1am. Seas 2 to 3 ft.

Friday

SSE wind 10 to 16 kt. Partly sunny. Seas around 2 ft.

Friday Night

SE wind 12 to 15 kt. A chance of showers and thunderstorms after 1am. Seas around 2 ft.

Saturday

SSE wind 13 to 16 kt. A chance of showers and thunderstorms, mainly before 1pm. Seas around 2 ft.

Saturday Night

SE wind 9 to 12 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas around 2 ft.

Sunday

SE wind around 11 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. 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.