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5NM NW Port Isabel TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:18 am CDT Sep 16, 2026
Forecast Valid: 1am CDT Sep 16, 2026-6pm CDT Sep 22, 2026

Wednesday

Variable winds less than 5 kt becoming ENE 8 to 13 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Wednesday Night

E wind 5 to 10 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms after 1am. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming ENE 7 to 12 kt in the morning. A chance of showers and thunderstorms, mainly before 3pm. Seas 1 ft or less.

Thursday Night

ENE wind 5 to 10 kt becoming variable and less than 5 kt after midnight. A chance of showers and thunderstorms after 1am. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming ENE 8 to 13 kt in the morning. A chance of showers and thunderstorms before 1pm. Seas 1 ft or less.

Friday Night

E wind 5 to 10 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming E 6 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.

Saturday Night

E wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming E 7 to 12 kt in the afternoon. Sunny. 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.