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4NM ENE Port Isabel TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 4:00 am CDT Apr 27, 2026
Forecast Valid: 4am CDT Apr 27, 2026-6pm CDT May 3, 2026

Monday

SSE wind 12 to 16 kt. Mostly cloudy, then gradually becoming sunny. Seas around 2 ft.

Monday Night

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

Tuesday

SSE wind 13 to 17 kt. Sunny. Seas around 2 ft.

Tuesday Night

SSE wind 14 to 16 kt. Partly cloudy. Seas 2 to 4 ft.

Wednesday

SSE wind 12 to 16 kt. Sunny. Seas around 2 ft.

Wednesday Night

SE wind 12 to 14 kt. Mostly cloudy. Seas 2 to 3 ft.

Thursday

SE wind 11 to 17 kt. Partly sunny. Seas around 2 ft.

Thursday Night

ESE wind around 19 kt. Mostly cloudy. Seas 2 to 4 ft.

Friday

SSE wind 17 to 20 kt. Partly 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.