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Brownsville, TX Local Forecast Office

4NM ENE Port Isabel TX

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:E wind around 11 kt. Sunny. Seas 1 to 2 ft.

      High: 82 °F

      E 11kt
      1-2ft

    • Tonight

      Tonight:E wind 7 to 11 kt becoming SSE after midnight. Partly cloudy. Seas 1 to 2 ft.

      Low: 80 °F

      E 11kt
      1-2ft

    • Friday

      Friday:S wind 6 to 12 kt becoming ESE in the afternoon. Mostly sunny. Seas 1 to 2 ft.

      High: 83 °F

      ESE 12kt
      1-2ft

    • Friday Night

      Friday Night:ESE wind around 13 kt becoming SSE after midnight. Partly cloudy. Seas 2 to 3 ft.

      Low: 81 °F

      ESE 13kt
      2-3ft

    • Saturday

      Saturday:S wind 10 to 12 kt becoming ESE in the afternoon. Mostly sunny. Seas 1 to 2 ft.

      High: 83 °F

      S 12kt
      1-2ft

    • Saturday Night

      Saturday Night:ESE wind around 13 kt. Mostly cloudy. Seas around 2 ft.

      Low: 82 °F

      ESE 13kt
      2ft

    • Sunday

      Sunday:ESE wind 10 to 12 kt. Partly sunny. Seas 1 to 2 ft.

      High: 84 °F

      ESE 12kt
      1-2ft

    • Sunday Night

      Sunday Night:SE wind 9 to 12 kt. Partly cloudy. Seas 1 to 2 ft.

      Low: 82 °F

      SE 12kt
      1-2ft

    • Monday

      Monday:ESE wind 8 to 12 kt. Partly sunny. Seas around 1 ft.

      High: 84 °F

      ESE 12kt
      1ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:18 pm CDT May 28, 2026
Forecast Valid: 2pm CDT May 28, 2026-6pm CDT Jun 3, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
E wind around 11 kt. Sunny. Seas 1 to 2 ft.
Tonight
E wind 7 to 11 kt becoming SSE after midnight. Partly cloudy. Seas 1 to 2 ft.
Friday
S wind 6 to 12 kt becoming ESE in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Friday Night
ESE wind around 13 kt becoming SSE after midnight. Partly cloudy. Seas 2 to 3 ft.
Saturday
S wind 10 to 12 kt becoming ESE in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Saturday Night
ESE wind around 13 kt. Mostly cloudy. Seas around 2 ft.
Sunday
ESE wind 10 to 12 kt. Partly sunny. Seas 1 to 2 ft.
Sunday Night
SE wind 9 to 12 kt. Partly cloudy. Seas 1 to 2 ft.
Monday
ESE wind 8 to 12 kt. Partly sunny. Seas around 1 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: 2:18 pm CDT May 28, 2026
Forecast Valid: 2pm CDT May 28, 2026-6pm CDT Jun 3, 2026
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