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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:ENE wind 9 to 12 kt. A slight chance of showers, mainly between 1pm and 3pm.   Seas around 2 ft.

      High: 80 °F

      ENE 12kt
      2ft

    • Tonight

      Tonight:NE wind 7 to 13 kt. A slight chance of showers and thunderstorms between 1am and 5am.   Seas 2 to 3 ft.

      Low: 78 °F

      NE 13kt
      2-3ft

    • Friday

      Friday:E wind 6 to 13 kt becoming SSE in the morning. A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and noon.   Seas around 2 ft.

      High: 81 °F

      SE 13kt
      2ft

    • Friday Night

      Friday Night:SE wind 8 to 12 kt. Mostly cloudy. Seas around 2 ft.

      Low: 78 °F

      SE 12kt
      2ft

    • Saturday

      Saturday:ESE wind 5 to 10 kt. A chance of showers and thunderstorms, mainly before 1pm.   Seas 1 to 2 ft.

      High: 81 °F

      ESE 10kt
      1-2ft

    • Saturday Night

      Saturday Night:ESE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas 1 to 2 ft.

      Low: 78 °F

      ESE 9kt⇓
      1-2ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming E 6 to 11 kt in the afternoon. Partly sunny. Seas 1 to 2 ft.

      High: 82 °F

      ⇑E 11kt
      1-2ft

    • Sunday Night

      Sunday Night:E wind 6 to 11 kt becoming NE after midnight. Mostly cloudy. Seas around 2 ft.

      Low: 78 °F

      E 11kt
      2ft

    • Monday

      Monday:NNE wind 8 to 14 kt. Partly sunny. Seas around 2 ft.

      High: 80 °F

      NNE 14kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:45 am CDT May 7, 2026
Forecast Valid: 10am CDT May 7, 2026-6pm CDT May 13, 2026

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Detailed Forecast


Today
ENE wind 9 to 12 kt. A slight chance of showers, mainly between 1pm and 3pm. Seas around 2 ft.
Tonight
NE wind 7 to 13 kt. A slight chance of showers and thunderstorms between 1am and 5am. Seas 2 to 3 ft.
Friday
E wind 6 to 13 kt becoming SSE in the morning. A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and noon. Seas around 2 ft.
Friday Night
SE wind 8 to 12 kt. Mostly cloudy. Seas around 2 ft.
Saturday
ESE wind 5 to 10 kt. A chance of showers and thunderstorms, mainly before 1pm. Seas 1 to 2 ft.
Saturday Night
ESE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas 1 to 2 ft.
Sunday
Variable winds less than 5 kt becoming E 6 to 11 kt in the afternoon. Partly sunny. Seas 1 to 2 ft.
Sunday Night
E wind 6 to 11 kt becoming NE after midnight. Mostly cloudy. Seas around 2 ft.
Monday
NNE wind 8 to 14 kt. Partly sunny. Seas around 2 ft.

Winds and seas higher in and near thunderstorms.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 26.11°N 97.16°W
Last Update: 10:45 am CDT May 7, 2026
Forecast Valid: 10am CDT May 7, 2026-6pm CDT May 13, 2026
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