For More Weather Information:

5NM NW Port Isabel TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 11:45 pm CST Feb 11, 2026
Forecast Valid: 11pm CST Feb 11, 2026-6pm CST Feb 18, 2026

Overnight

Variable winds 5 kt or less. Patchy fog after 2am. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming E 6 to 11 kt in the afternoon. Patchy fog before 10am. Seas 1 ft or less.

Thursday Night

ESE wind 5 to 10 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.

Friday

SE wind 5 to 10 kt increasing to 11 to 16 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Friday Night

SSE wind around 15 kt. Partly cloudy. Seas 1 ft or less.

Saturday

S wind 14 to 19 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

S wind 6 to 12 kt becoming WNW after midnight. Mostly clear. Seas 1 ft or less.

Sunday

WNW wind 7 to 12 kt becoming NNE in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

NE wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Clear. Seas 1 ft or less.

*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.