For More Weather Information:

5NM NW Port Isabel TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 7:30 am CDT Aug 30, 2026
Forecast Valid: 7am CDT Aug 30, 2026-6pm CDT Sep 5, 2026

Today

Variable winds less than 5 kt becoming ESE 9 to 14 kt in the morning. Sunny. Seas 1 ft or less.

Tonight

SE wind 8 to 12 kt. Mostly clear. Seas 1 ft or less.

Monday

SSE wind 6 to 15 kt. Sunny. Seas 1 ft or less.

Monday Night

SSE wind 7 to 13 kt. Mostly clear. Seas 1 ft or less.

Tuesday

ESE wind 5 to 15 kt. Sunny. Seas 1 ft or less.

Tuesday Night

SE wind 5 to 13 kt. Mostly clear. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming ESE 9 to 14 kt in the morning. Sunny. Seas 1 ft or less.

Wednesday Night

ESE wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming ESE 8 to 13 kt in the afternoon. A slight chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Winds and waves 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.