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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NNE wind 10 to 12 kt. Sunny. Seas around 2 ft.

      High: 63 °F

      NNE 12kt
      2ft

    • Tonight

      Tonight:NNE wind 6 to 10 kt becoming SE after midnight. Partly cloudy. Seas 1 to 2 ft.

      Low: 58 °F

      NNE 10kt
      1-2ft

    • Thursday

      Thursday:SE wind 6 to 12 kt. Increasing clouds. Seas 1 to 2 ft.

      High: 68 °F

      SE 12kt
      1-2ft

    • Thursday Night

      Thursday Night:Variable winds less than 5 kt becoming N 10 to 15 kt after midnight. A chance of showers after midnight.   Seas 1 to 2 ft.

      Low: 56 °F

      ⇑N 15kt
      1-2ft

    • Friday

      Friday:N wind 18 to 21 kt. Mostly cloudy. Seas 3 to 4 ft.

      High: 61 °F

      N 21kt
      3-4ft

    • Friday Night

      Friday Night:N wind 17 to 19 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 3 to 5 ft.

      Low: 53 °F

      N 19kt
      3-5ft

    • Saturday

      Saturday:N wind 17 to 19 kt. Mostly sunny. Seas 3 to 5 ft.

      High: 58 °F

      N 19kt
      3-5ft

    • Saturday Night

      Saturday Night:NE wind 9 to 16 kt. Partly cloudy. Seas 2 to 3 ft.

      Low: 50 °F

      NE 16kt
      2-3ft

    • Sunday

      Sunday:ENE wind 9 to 12 kt. Partly sunny. Seas 2 to 3 ft.

      High: 60 °F

      ENE 12kt
      2-3ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:47 pm CST Jan 28, 2026
Forecast Valid: 2pm CST Jan 28, 2026-6pm CST Feb 3, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
NNE wind 10 to 12 kt. Sunny. Seas around 2 ft.
Tonight
NNE wind 6 to 10 kt becoming SE after midnight. Partly cloudy. Seas 1 to 2 ft.
Thursday
SE wind 6 to 12 kt. Increasing clouds. Seas 1 to 2 ft.
Thursday Night
Variable winds less than 5 kt becoming N 10 to 15 kt after midnight. A chance of showers after midnight. Seas 1 to 2 ft.
Friday
N wind 18 to 21 kt. Mostly cloudy. Seas 3 to 4 ft.
Friday Night
N wind 17 to 19 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 3 to 5 ft.
Saturday
N wind 17 to 19 kt. Mostly sunny. Seas 3 to 5 ft.
Saturday Night
NE wind 9 to 16 kt. Partly cloudy. Seas 2 to 3 ft.
Sunday
ENE wind 9 to 12 kt. Partly sunny. Seas 2 to 3 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: 1:47 pm CST Jan 28, 2026
Forecast Valid: 2pm CST Jan 28, 2026-6pm CST Feb 3, 2026
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