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4NM ENE Port Isabel TX

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 9:45 am CST Dec 7, 2025
Forecast Valid: 9am CST Dec 7, 2025-6pm CST Dec 13, 2025

Today

W wind 5 to 8 kt becoming NNE in the afternoon. Patchy fog before 10am. Seas around 1 ft.

Tonight

N wind 9 to 14 kt increasing to 17 to 22 kt after midnight. Winds could gust as high as 28 kt. Partly cloudy. Seas 1 to 3 ft.

Monday

N wind 17 to 22 kt. Mostly sunny. Seas 5 ft subsiding to 2 ft.

Monday Night

NE wind 7 to 14 kt. Mostly clear. Seas around 2 ft.

Tuesday

NE wind 5 to 7 kt becoming ESE in the afternoon. Sunny. Seas 1 to 2 ft.

Tuesday Night

ESE wind 7 to 10 kt becoming S after midnight. Mostly clear. Seas around 1 ft.

Wednesday

S wind 10 to 14 kt. Sunny. Seas 1 to 2 ft.

Wednesday Night

S wind 13 to 15 kt. Mostly clear. Seas 1 to 2 ft.

Thursday

S wind 12 to 14 kt. Sunny. Seas around 2 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.