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3NM SE Port Isabel TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 1:46 pm CDT Oct 18, 2026
Forecast Valid: 1pm CDT Oct 18, 2026-6pm CDT Oct 24, 2026

This Afternoon

N wind around 15 kt. A chance of showers. Seas 1 ft or less.

Tonight

NNE wind 5 to 12 kt. A slight chance of showers before midnight. Seas 1 ft or less.

Monday

NNE wind 8 to 14 kt. A chance of showers, mainly after 1pm. Seas 1 ft or less.

Monday Night

ENE wind 7 to 11 kt. A slight chance of showers before 2am, then a slight chance of showers after 4am. Seas 1 ft or less.

Tuesday

NE wind 9 to 16 kt. A chance of showers, mainly after 7am. Seas 1 ft or less.

Tuesday Night

ENE wind 6 to 14 kt. A chance of showers. Seas 1 ft or less.

Wednesday

ENE wind 7 to 14 kt. Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Seas 1 ft or less.

Wednesday Night

ENE wind 5 to 12 kt. Mostly clear. Seas 1 ft or less.

Thursday

ENE wind 6 to 12 kt. 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.