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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:SSE wind 12 to 15 kt. Mostly cloudy, then gradually becoming sunny. Seas around 2 ft.

      High: 83 °F

      SSE 15kt
      2ft

    • Wednesday Night

      Wednesday Night:SE wind 7 to 14 kt. Mostly clear during the early evening, then becoming mostly cloudy. Seas around 2 ft.

      Low: 79 °F

      SE 14kt
      2ft

    • Thursday

      Thursday:ESE wind 7 to 11 kt becoming ENE in the afternoon. Partly sunny. Seas around 2 ft.

      High: 81 °F

      ENE 11kt
      2ft

    • Thursday Night

      Thursday Night:NE wind 6 to 12 kt. A chance of showers and thunderstorms.   Seas 2 to 3 ft.

      Low: 78 °F

      NE 12kt
      2-3ft

    • Friday

      Friday:NE wind 6 to 12 kt becoming ESE in the afternoon. A chance of showers and thunderstorms before 1pm.   Seas around 2 ft.

      High: 80 °F

      ESE 12kt
      2ft

    • Friday Night

      Friday Night:E wind 6 to 10 kt. Mostly cloudy. Seas around 2 ft.

      Low: 78 °F

      E 10kt
      2ft

    • Saturday

      Saturday:ESE wind 6 to 12 kt. Mostly cloudy. Seas 1 to 2 ft.

      High: 81 °F

      ESE 12kt
      1-2ft

    • Saturday Night

      Saturday Night:ESE wind 6 to 11 kt becoming S after midnight. Mostly cloudy. Seas 1 to 2 ft.

      Low: 79 °F

      ESE 11kt
      1-2ft

    • Sunday

      Sunday:ESE wind 5 to 12 kt. Partly sunny. Seas 1 to 2 ft.

      High: 83 °F

      ESE 12kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:30 am CDT May 6, 2026
Forecast Valid: 4am CDT May 6, 2026-6pm CDT May 12, 2026

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Detailed Forecast


Wednesday
SSE wind 12 to 15 kt. Mostly cloudy, then gradually becoming sunny. Seas around 2 ft.
Wednesday Night
SE wind 7 to 14 kt. Mostly clear during the early evening, then becoming mostly cloudy. Seas around 2 ft.
Thursday
ESE wind 7 to 11 kt becoming ENE in the afternoon. Partly sunny. Seas around 2 ft.
Thursday Night
NE wind 6 to 12 kt. A chance of showers and thunderstorms. Seas 2 to 3 ft.
Friday
NE wind 6 to 12 kt becoming ESE in the afternoon. A chance of showers and thunderstorms before 1pm. Seas around 2 ft.
Friday Night
E wind 6 to 10 kt. Mostly cloudy. Seas around 2 ft.
Saturday
ESE wind 6 to 12 kt. Mostly cloudy. Seas 1 to 2 ft.
Saturday Night
ESE wind 6 to 11 kt becoming S after midnight. Mostly cloudy. Seas 1 to 2 ft.
Sunday
ESE wind 5 to 12 kt. Partly sunny. Seas 1 to 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: 4:30 am CDT May 6, 2026
Forecast Valid: 4am CDT May 6, 2026-6pm CDT May 12, 2026
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