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Brownsville, TX Local Forecast Office

6NM NNE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SE wind around 14 kt. Sunny. Seas around 2 ft.

      High: 87 °F

      SE 14kt
      2ft

    • Tonight

      Tonight:SE wind 11 to 13 kt. Increasing clouds. Seas around 2 ft.

      Low: 82 °F

      SE 13kt
      2ft

    • Thursday

      Thursday:SE wind 9 to 14 kt. Mostly sunny. Seas 1 to 2 ft.

      High: 87 °F

      SE 14kt
      1-2ft

    • Thursday Night

      Thursday Night:SE wind 9 to 13 kt. Mostly clear. Seas 1 to 2 ft.

      Low: 82 °F

      SE 13kt
      1-2ft

    • Friday

      Friday:SE wind 8 to 13 kt. Sunny. Seas around 1 ft.

      High: 87 °F

      SE 13kt
      1ft

    • Friday Night

      Friday Night:SE wind 8 to 11 kt. Partly cloudy. Seas around 1 ft.

      Low: 82 °F

      SE 11kt
      1ft

    • Saturday

      Saturday:ESE wind 7 to 11 kt. Mostly sunny. Seas around 1 ft.

      High: 87 °F

      ESE 11kt
      1ft

    • Saturday Night

      Saturday Night:ESE wind 7 to 11 kt. Mostly clear. Seas around 1 ft.

      Low: 82 °F

      ESE 11kt
      1ft

    • Sunday

      Sunday:S wind 5 to 11 kt becoming ESE in the afternoon. Mostly sunny. Seas around 1 ft.

      High: 87 °F

      ESE 11kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:47 pm CDT Sep 2, 2026
Forecast Valid: 3pm CDT Sep 2, 2026-6pm CDT Sep 8, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
SE wind around 14 kt. Sunny. Seas around 2 ft.
Tonight
SE wind 11 to 13 kt. Increasing clouds. Seas around 2 ft.
Thursday
SE wind 9 to 14 kt. Mostly sunny. Seas 1 to 2 ft.
Thursday Night
SE wind 9 to 13 kt. Mostly clear. Seas 1 to 2 ft.
Friday
SE wind 8 to 13 kt. Sunny. Seas around 1 ft.
Friday Night
SE wind 8 to 11 kt. Partly cloudy. Seas around 1 ft.
Saturday
ESE wind 7 to 11 kt. Mostly sunny. Seas around 1 ft.
Saturday Night
ESE wind 7 to 11 kt. Mostly clear. Seas around 1 ft.
Sunday
S wind 5 to 11 kt becoming ESE in the afternoon. Mostly sunny. Seas around 1 ft.

Winds and waves 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: 26.18°N 97.16°W
Last Update: 2:47 pm CDT Sep 2, 2026
Forecast Valid: 3pm CDT Sep 2, 2026-6pm CDT Sep 8, 2026
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