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4NM ENE Port Isabel TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 7:26 pm CST Feb 27, 2026
Forecast Valid: 7pm CST Feb 27, 2026-6pm CST Mar 6, 2026

Tonight

ENE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Patchy fog between 9pm and 4am. Seas 1 to 3 ft.

Saturday

Variable winds less than 5 kt becoming E 6 to 11 kt in the morning. Mostly cloudy, then gradually becoming sunny. Seas 1 to 2 ft.

Saturday Night

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

Sunday

SE wind 9 to 13 kt. Sunny. Seas around 2 ft.

Sunday Night

SE wind 10 to 12 kt. Mostly clear. Seas 1 to 2 ft.

Monday

SE wind 10 to 13 kt. Sunny. Seas 1 to 3 ft.

Monday Night

SE wind around 12 kt. Mostly clear. Seas 1 to 3 ft.

Tuesday

SSE wind 11 to 17 kt. Mostly sunny. Seas 2 to 4 ft.

Tuesday Night

SE wind 12 to 15 kt. Mostly cloudy. Seas 1 ft building to 4 ft.

*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.