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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 20 to 22 kt, with gusts as high as 28 kt. Sunny. Seas 5 ft subsiding to 2 ft.

      High: 74 °F

      S 22kt
      5ftWaves Subsiding

    • Tonight

      Tonight:S wind 18 to 21 kt. Mostly clear. Seas 6 ft subsiding to 3 ft.

      Low: 69 °F

      S 21kt
      6ftWaves Subsiding

    • Thursday

      Thursday:S wind 15 to 18 kt. Sunny. Seas 6 ft subsiding to 2 ft.

      High: 76 °F

      S 18kt
      6ftWaves Subsiding

    • Thursday Night

      Thursday Night:S wind 7 to 14 kt becoming E after midnight. Partly cloudy. Seas 2 to 3 ft.

      Low: 68 °F

      S 14kt
      2-3ft

    • Friday

      Friday:NE wind 6 to 11 kt. Mostly sunny. Seas 2 to 4 ft.

      High: 74 °F

      NE 11kt
      2-4ft

    • Friday Night

      Friday Night:ENE wind 5 to 9 kt becoming ESE after midnight. Partly cloudy. Seas 1 to 2 ft.

      Low: 67 °F

      ENE 9kt
      1-2ft

    • Saturday

      Saturday:ESE wind 5 to 11 kt. Sunny. Seas 1 to 2 ft.

      High: 74 °F

      ESE 11kt
      1-2ft

    • Saturday Night

      Saturday Night:SE wind 9 to 11 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 69 °F

      SE 11kt
      1-2ft

    • Sunday

      Sunday:SE wind 9 to 14 kt. Sunny. Seas 1 to 2 ft.

      High: 74 °F

      SE 14kt
      1-2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:45 am CST Feb 25, 2026
Forecast Valid: 9am CST Feb 25, 2026-6pm CST Mar 3, 2026

View Nearby Observations

Detailed Forecast


Today
S wind 20 to 22 kt, with gusts as high as 28 kt. Sunny. Seas 5 ft subsiding to 2 ft.
Tonight
S wind 18 to 21 kt. Mostly clear. Seas 6 ft subsiding to 3 ft.
Thursday
S wind 15 to 18 kt. Sunny. Seas 6 ft subsiding to 2 ft.
Thursday Night
S wind 7 to 14 kt becoming E after midnight. Partly cloudy. Seas 2 to 3 ft.
Friday
NE wind 6 to 11 kt. Mostly sunny. Seas 2 to 4 ft.
Friday Night
ENE wind 5 to 9 kt becoming ESE after midnight. Partly cloudy. Seas 1 to 2 ft.
Saturday
ESE wind 5 to 11 kt. Sunny. Seas 1 to 2 ft.
Saturday Night
SE wind 9 to 11 kt. Mostly clear. Seas 1 to 2 ft.
Sunday
SE wind 9 to 14 kt. Sunny. Seas 1 to 2 ft.

*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: 9:45 am CST Feb 25, 2026
Forecast Valid: 9am CST Feb 25, 2026-6pm CST Mar 3, 2026
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